Catalog RS-RT

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INCH

RS• RT

Technology Made in Italy

EN

Since 1955 the Varvel Group has been making gearboxes and variators for light industry applications. Reliable partner in power transmission equipment offers also customized solutions always according to a socially responsible company values. Modularity and flexibility lead Varvel products by a unique kit form, common to all gearbox series. This feature allows distributors an easier job to set up required products in few minutes.

■ ■ ■

UNI EN ISO 9001:2008 UNI EN ISO 14001:2004 BS OHSAS 18001:2007



CERTIFIED MANAGEMENT SYSTEM

EC DIRECTIVE 2014/34/EU (ATEX)

RS - RT WORM GEARBOXES single-stage, helical/worm, two-stages aluminium / cast iron housing and covers shaft-mount, foot and flange mounting

TABLE OF CONTENTS Product description .........................................................2-4 Symbols ............................................................................. 5 Modular system...............................................................6-7 Flexible coupling G ............................................................ 8 Flexible coupling selection ................................................. 9 NEMA Flanges & coupling ............................................... 10 IEC Flanges & coupling ................................................... 11 VARsize Electronic catalogue - 3D models...................... 12 Product designations ....................................................... 13 Input arrangements .......................................................... 14 Mounting positions ......................................................15-17 Service factors ............................................................18-20 Weights - Oil quantity - Input loads .................................. 21 Output loads ...............................................................22-23 Selection tables RS-RT Single-stage worm gearboxes .........................24-27 RA-TA Helical / worm gearboxes ................................28-30 RS/RS-RT/RT Two-stage worm gearboxes ..................... 31 Dimensions RS Single-stage ..........................................................32-33 RA Helical/worm .........................................................34-35 RS/RS Two-stage worm .............................................36-37 Alternative mountings .................................................38-39 RS Accessories...........................................................40-41 RT Single-stage ..........................................................42-43 TA Helical/worm ..........................................................44-45 RT/RT Two-stage worm ..............................................46-47 RT Accessories ...........................................................48-49 XA Single-stage attachment ............................................ 50 General information Back driving - Reversibility - Irreversibility........................ 51 Gearing data - ................................................................. 51 Direction of rotation .......................................................... 52 Component parts ............................................................. 53 Conversion factors ........................................................... 54 Operation and Maintenance abstract ............................... 54

Worm Gearboxes - Series RS - RT Product description

● Housings aluminium die cast or cast iron  Wormshafts

ZI profile, hardened and ground, alloy steel.

Input ● NEMA and IEC motor adapters Universal flexible coupling Servo motor adapters: ask for Servo Gearhead catalogue.

RT

 Wormwheels

Oil seals ● Nitrile Butadiene Rubber - NBR as standard. Viton and Silicone on demand.

Bronze alloy cast on Cast iron hub. RS

 Bearings

Output ● Hollow bore as standard. Single or Double solid shaft on demand

Ball or roller types. Tapered roller bearings for heavy duty operation.

● Modular attachments Motor, Helical one stage gearbox, Output flange, Torque Arm & Torque Limiter

RS & RT - Single-stage worm gearboxes The gearboxes are made as standard with input hub for various motor adapters and either side covers allow feet, output flanges and torque arm easy fitting . On demand, input Viton oil seals allow trouble-free operation with 2-pole standard AC, DC and servo motors, and Silicone oil seals for low temperature running. Gearboxes are delivered filled with synthetic long-life oil (ISO VG 320 Grade) as standard, for ambient temperature +4 /+131 °F (-20/+55 °C), oil quantities as recommended on page 21, valid for all mounting positions. No vent plug style and lubrication-for-life factory filled. Selection data are intended for service factor SF1.0, i.e. 8-10 running hours per day, uniform load, 10,000 working hours, less than 6 start/stops per hour and room temperature ranging from 60 to 95 °F (15 to 35 °C). RA & TA - Helical/worm gearboxes RA and TA gearboxes are made of an independent single-stage helical gearbox FXA fitted on a standard FRS or FRT gearbox input, allowing greater output torques and higher efficiency than the single-stage FRS and FRT gearbox with equivalent ratio. FXA sizes 63, 71 and 80 are metric. The biggest size FXA100 has NEMA and IEC adapters. Both gearboxes are independently lubricated with synthetic long-life oil. RS/RS & RT/RT - Two-stage worm gearboxes RS/RS and RT/RT gearboxes are made of two standard gearboxes RS or RT and offer a full selection of high reduction ratios to get even lower output speeds. Both gearboxes are independently lubricated with synthetic long-life oil.

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Worm Gearboxes - Series RS - RT Product description

AS & AD - Output shafts All gearboxes are manufactured with hollow output shaft as standard. Single AS or double AD solid output shafts can be supplied. on demand The ASC safety shield fitted on the opposite side of the AS extension, is available on demand. BR & BRV - BT & BTV - Torque arms The gearbox basic version works as shaft mounted unit. The torque arm, standard BR (for RS) and BT (for RT), or BRV (for RS) and BTV (for RT) with Vulkollan vibration-damping bushing, is made of white galvanized extra thick plate. TLE & TLI - Torque limiter The torque limiter and safeguard device, TLI built-in inside the gearbox and TLE fitted into the hollow output shaft of a regular gearbox, allows easy torque adjustments, full gearbox safeguard against unexpected overload conditions, simple hand release, and manual operation in case of power supply failure. The torque limiter device can be rated for RA and TA helical/worm gear and for two-stage worm gears full capacity but torque limitation is possible at some low speeds to be however approved by our engineers. The factory preset slipping torque can be adjusted from the maximum preset torque down to zero. Shaft rotation restarts automatically as soon as torque value is lower than the preset value. Dimensions All dimensions and units of measurement are referred to the imperial system and metric is printed in green where applicable. Directive ATEX The European Directive 94/9/EC-ATEX does not relate to electric devices only but to all machines and driving units desII 2 GD ck IP66

Tmax=135 °C

tined, alone or combined, to operate in potentially explosive environments within the European Community territory . The VARVEL gearboxes are qualified for installation in potentially explosive atmospheres of: - Zones of Group II, - Category 2 (or 3), - Explosion hazard with gas presence (Zone 1 or 2), - Explosion hazard with combustible dust presence (Zone 21 or 22). The units VARVEL-ATEX are identified by the additional marking:

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Worm Gearboxes - Series RS - RT Product description

GENERAL SPECIFICATIONS

Range

Sizes: RS (9x), RT (7x) Reduction ratios: 55 Max. output torque: 27,400 in-lbs

Sizing

According to BS721 10,000 hrs average lifetime with service factor SF1

Housing, Covers

Pressure die cast aluminium up to size 85 and cast iron from size 110 up

Input:

Die cast aluminium coupling for sizes 3, 5, 6 and alloyed steel from size 8 Plug-in key/keyway version on demand

Gears

Worms of alloyed steel, case hardened and tooth profile ZI ground Wheels of bronze on cast iron hub

Shafts & Keys

Alloyed steel Shafts h6 - Bores E8 Keys according to DIN6885 B1

Bearings

Ball or roller types

Oil seals

NBR - Nitrile Butadiene Rubber type as standard FKM - Fluor elastomer Viton type on demand VMQ - Vinyl-methyl-silicone rubber type on demand with additional anti-dust lip, according to DIN 3760

Lubricant

Synthetic long-life oil Grade ISO VG 320

Tolerances Diameter

Tolerance

[in[

[in]

[mm]

Solid shaft

U ø0.5 … ø1.5 ø>1.5 … ø2.75

0 / -0.0005 0 / -0.0010

ISO g6

Hollow shaft

U ø0.625 ø0.75 … ø1.0 ø1.25 … ø1.625 ø2.0 … ø2.75

+0.0007 / 0 +0.0008 / 0 +0.0010 / 0 +0.0012 / 0

ISO H7

R ø0.625… ø2.75

+0.0079 / 0

+0.2 / 0

S ø0.625… ø0.75 ø1.0 … ø1.625 ø2.0 … ø2.75

+0.0012 / 0 +0.0014 / 0 +0.0017 / 0

ISO H9

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Worm Gearboxes - Series RS - RT Symbols

Symbol

Description

Formula

Fr

[lb]

Application overhung load (external OHL)

Fr1

[lb]

Catalogue input overhung load (gearbox input OHL)

Fr2

[lb]

Catalogue output overhung load (gearbox output OHL)

SF

Service factor

R

Reduction ratio of single stage units

R1, R2

Reduction ratio of 1st and 2nd stage in multi-stage units

Lub

[qt]

Lubricant

M2

[in-lb]

Gearbox output torque

M(app)

[in-lb]

Application torque

n1

[rpm]

Input speed

n2

[rpm]

Output speed

P1

[HP]

W

[lb]

η

M2 / M(app)

63025 x HP x eff. / rpm

Motor power @ 60Hz

63025 x HP x eff. / rpm

Average value for foot mounting & reduction ratio Efficiency

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Worm Gearboxes - Series RS - RT Modular system

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Worm Gearboxes - Series RS - RT Modular system

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Worm Gearboxes - Series RS - RT Flexible coupling

Flexible coupling system A) Gearbox-side coupling hub - Material: steel - One-piece machined with input pinion shaft - Two bearing setting - Not altered gearbox casing dimensions

B) Spider - Material: Polyarylamide plastic Elastomer - External tooth connection - Hardness 90 Shore D - Temperature range -22/+275°F (-30/+135°C)

C) Motor-side coupling hub Thermo- - Material: Aluminium die cast (G3, G5, G6) Steel (GS3, GS5, GS6, GS8) - Dynamic balancing - Fitting: Clamp (G3, G5, G6) Key (GS3, GS5, GS6, GS8)

Modular input flange system - Material Aluminium up to NEMA TC180 & IEC112 Cast iron from NEMA TC200 & IEC132 - Flanges according to NEMA C and TC IEC 72 / DIN42948 Square shape for brushless and DC motor mount Advantages of unique integrated elastomer jaw coupling - One gearbox for multiple motor frame sizes and convertible into NEMA, IEC, Brushless, DC motor input with specific adapter/coupling kits and modular input flange system - Greater flexibility and increased stock rotation - Elimination of fretting corrosion common to quill mount - Elimination of key/keyway wear in dynamic applications - Zero backlash on motor-to-reducer connection - Reduction of efficiency losses due to motor mounting misalignment - High torsional rigidity - High vibration damping Flexible coupling program

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Worm Gearboxes - Series RS - RT Flexible coupling selection

Coupling Size

IEC NEMA

Kit Code

RS - RT Size

Mt [Nm]

Mt1 [Nm]

Mt2 [Nm]

NEMA

KG3.N42//X KG3.N48/X KG3.N56/X

28-40 40 40

4.5 - 6 4.5 - 6 7 - 8.5

16 18 30

8 - 10 10 - 12 20 - 24

IEC

D1 [mm]

D2 [mm/inch]

ID#

30 36 36

3/8" 1/2" 5/8"

3N42 3N48 3N56

KG3.009/X KG3.011/X KG3.014/X

28-40 28-40 40

4.5 - 6 4.5 - 6 7 - 8.5

15 15 28

8 - 10 8 - 10 18 - 2

30 30 36

9 11 14

309 311 314

KG5.N56/X KG5.N140/X

50-60 60

45 60

30 - 35 40 - 45

45 52

5/8" 7/8"

5N56 5N140

KG5.011/X KG5.014/X KG5.019/X KG5.024/X

50-60 50-60 50-60 60

15 30 40 70

8 - 10 12 - 17 20 - 25 30 - 40

45 45 45 52

11 14 19 24

511 514 519 524

50 85 200

-------

5/8" 7/8" 1-1/8"

6N56 6N140 6N180

60 90 130 180

30 – 40 50 – 65 85 - 100 100 - 120

14 19 24 28

614 619 624 628

G3

A [mm]

11

NEMA G5 IEC

NEMA G6 IEC

KG6.N56/X KG6.N140/X KG6.N180

70-85-110 70-85-110 70-85-110

KG6.014/X KG6.019/X KG6.024/X KG6.028/X

70 70-85-110 70-85-110 70-85-110

8.9 - 10

15.3 - 18

../X - Code of coupling with new IXEF black-spider Mt - Tightening torque Mt1 - Transmissible torque with key Mt2 - Transmissible torque without key

-9-

14.5

19.5

B [mm]

19

23

31.5

58

Worm Gearboxes - Series RS - RT NEMA flanges and flexible couplings

Flange Size

NEMA Frame

RS-RT 28

FM 28

42 C 48 C

K530.207.N048 K530.207.N048

G3 ø 3/8” G3 ø 1/2”

KG3.N042/X KG3.N048/X

RS-RT 40

FM 40

42 C 48 C 56 C

K531.227.N048 K531.227.N048 K531.227.N056

G3 ø 3/8” G3 ø 1/2” G3 ø 5/8”

KG3.N042/X KG3.N048/X KG3.N056/X

RS-RT 50

FM 50

56 C

K532.227.N056

G5 ø 5/8

KG5.N056

RS-RT 60

FM 60

56 C 140 TC

K539.227.N056 K539.227.N056

G5 ø 5/8” G5 ø 7/8”

KG5.N056 KG5.N140

RS-RT 70

FM 70

56 C 140 TC 180 TC

K533.227.N056 K533.227.N056 K533.227.N180

G6 ø 5/8” G6 ø 7/8” G6 ø 1-1/8”

KG6.N056/X KG6.N140/X KG6.N180/X

RS-RT 85

FM 85

56 C 140 TC 180 TC

K534.227.N056 K534.227.N056 K534.227.N180

G6 ø 5/8” G6 ø 7/8” G6 ø 1-1/8”

KG6.N056/X KG6.N140/X KG6.N180/X

RS-RT 110

FM 110

56 C 140 TC 180 TC

K535.227.N056 K535.227.N056 K535.227.N180

G6 ø 5/8” G6 ø 7/8” G6 ø 1-1/8”

KG6.N056/X KG6.N140/X KG6.N180/X

56 C 140 TC 180 TC

K536.227.N056 K536.227.N056 K536.227.N180

ø 5/8” # ø 7/8” # ø 1-1/8” #

-------

K537.227.N056 K537.227.N056 K537.227.N180 K537.227.N180

ø 5/8” # ø 7/8” # ø 1-1/8” # ø 1-3/8” #

---------

RS 130

FM 130

Flange Kit Code

Coupling

RS - RT

Type

Kit Code

RS 150

FM 130

56 C 140 TC 180 TC 210 TC

XA 63

FM 40

* IEC56 * IEC63

K531.206.120 K531.206.140

ø9 mm # ø11 mm #

-----

XA 71

FM 50

* IEC71

K532.206.160

ø14 mm #

---

XA 80

FM 70

* IEC80 * IEC90

K533.206.200 K533.206.200

ø19 mm # ø24 mm #

-----

XA 100

FM 85

56 C 140 TC 180 TC

K334.227.N056 K334.227.N056 K334.227.N180

G6 ø 5/8” G6 ø 7/8” G6 ø 1-1/8”

KG6.N056/X KG6.N140/X KG6.N180/X

../X - Code of coupling with IXEF black-spider # - Key/keyway motor fitting * - NEMA adapters not available, IEC input only

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Worm Gearboxes - Series RS - RT IEC flanges and flexible coupling

RS - RT - XA

Fange

IEC

RS-RT 28

FM 28

RS-RT 40

Flange Kit-code

Coupling

Flange B5

Flange B14

Type

Kit Code

IEC56 IEC63

K530.206.120 K530.206.140

K530.206.080 K530.206.090

G3 ø9 G3 ø11

KG3.009/X KG3.011/X

FM 40

IEC56 IEC63 IEC71

K531.206.120 K531.206.140 K531.206.160

K531.206.080 K531.206.090 K531.206.105

G3 ø9 G3 ø11 G3 ø14

KG3.009/X KG3.011/X KG3.014/X

RS-RT 50

FM 50

IEC63 IEC71 IEC80

K532.206.140 K532.206.160 K532.206.200

K532.206.090 K532.206.105 K532.206.120

G5 ø11 G5 ø14 G5 ø19

KG5.011/X KG5.014/X KG5.019/X

RS-RT 60

FM 60

IEC71 IEC80 IEC90

K539.206.160 K539.206.200 K539.206.200

K539.206.105 K539.206.120 K539.206.140

G5 ø14 G5 ø19 G5 ø24

KG5.014/X KG5.019/X KG5.024/X

FM 70

IEC71 IEC80 IEC90 IEC100

K533.206.160 K533.206.200 K533.206.200 K533.206.250

K533.206.105 K533.206.120 K533.206.140 K533.206.160

G6 ø14 G6 ø19 G6 ø24 G6 ø28

KG6.014/X KG6.019/X KG6.024/X KG6.028/X

IEC80 IEC90 IEC100/112

K534.206.200 K534.206.200 K534.206.250

K534.206.120 K534.206.140 K534.206.160

G6 ø19 G6 ø24 G6 ø28

KG6.019/X KG6.024/X KG6.028/X

RS-RT 70

RS-RT 85

FM 85

RS-RT 110

FM 110

IEC90 IEC100/112 IEC132

K535.206.200 K535.206.250 K535.206.300

--K535.206.160 K535.206.200

G6 ø24 G6 ø28 ø38 #

KG6.024/X KG6.028/X ---

RS 130

FM 130

IEC100/112 IEC 132

K536.206.250 K537.206.300

--K536.206.200

ø28 # ø38 #

-----

RS 150

FM 150

IEC100/112 IEC 132 IEC 160

K536.206.250 K537.206.300 K537.206.350

K536.206.200 K536.206.250 ---

ø28 # ø38 # ø42 #

-------

XA 63

FM 40

IEC56 IEC63

K531.206.120 K531.206.140

K531.206.080 K531.206.090

ø9 # ø11 #

-----

XA 71

FM 50

IEC71

K532.206.160

K532.206.105

ø14 #

---

XA 80

FM 70

IEC80 IEC90

K533.206.200 K533.206.200

K533.206.120 K533.206.140

ø19 # ø24 #

-----

XA 100

FM 85

IEC80 IEC90 IEC100/112

K534.206.200 K534.206.200 K534.206.250

K534.206.120 K534.206.140 K534.206.160

G6 ø19 G6 ø24 G6 ø28

KG6.019/X KG6.024/X KG6.028/X

/X - Code of coupling with IXEF black-spider # - Key/keyway motor fitting

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Worm Gearboxes - Series RS - RT VARsize Electronic catalogue - 3D models

Modularity and flexibility have been leading the design of VARVEL products since the years 2000: this way, the kit-concept gearbox was carried out allowing anyone to assemble the unit in few minutes with standard tooling. This feature provides the highest flexibility to VARVEL’s distributors and resellers who, thanks to a limited kit selection, are able to immediately configure the required product. VARsize® selection program, available from our web-site www.varvel.com/en/varsize allows a friendly sizing of VARVEL product range. 2D/3D Drawings A guided selection lets 2D/3D models downloaded for the most popular CAD systems. Guided selection This option returns a list of applicable product configurations upon a given sequence of application parameters (power, output torque, rpm, service factor etc.). A PDF data sheet featuring performance data and dimensional drawings is generated for each configuration, as well as the 3D model and 2D drawings.  Pick a configuration identifying inch or metric units  Enter your applications information or requirements  The program selects a range of appropriate solutions  Pick the one you want and download 2D/3D drawings  Print out a technical data sheet with all specifications of the selected unit

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Worm Gearboxes - Series RS - RT Product designation

Example: FRT-G50 B3 1:20 N56 AC1.0” F

RT-G

50

TYPE (coupling input)

B3

1:20

N56

AC

MOUNTING POSITION

1.0”

OUTPUT SHAFT

RT-G - Universal Mount AC - Hollow

TA-G - Helical/worm RT/RT-G - Double worm

RS - Pages 15, 16

RS-G - Original Mount

RT - Page 17

AS - Solid single output

RA-G - Helical/worm

AD - Solid dual output

RS/RS - Double worm

INPUT TYPE

SIZE

RATIO 1:

MOTOR ADAPTER

SHAFT DIMENSIONS

A)

B)

C)

A)

B)

C)

NEMA

IEC

Size

Dia. in

Dia. mm

28

63/40

28/28

5

32

280

N42

56

28

0.625“

14

40

63/50

28/40

7

44

420

N48

63

40

0.75”

20 19 18

S - Without motor flange

50

63/60

28/50

10

63

560

N56

71

50

1.0“

25 24

nil - Solid input

60

71/50

28/60

15

95

784

N140

80

60

1.125”

25

70

71/60

40/70

20

126

1120

N180

90

70

1.25”

30 28 25

85

71/70

40/85

28

176

1586

N210

1.375“

35 32

110

71/85

50/110

40

252

2240

132

110

1.625”

42

130

8060

60/130

56

309

2800

160

130

1.75”

48

150

80/70

70/150

70

353

4000

150

2.0”

55

80/85

80

441

5600

80/110

100

504

8000

630

10000

M - Motorized unit F - With motor flange

100/110

100/112 85

100/130 100/150 A) - Single worm gearboxes B) - Helical/worm gearboxes C) - Double worm gearboxes OPTIONS AS/AD - Single / double sided solid output shaft BR/BRV - Plain / Vulkollan-bush torque arm CS - Non-standard output bearings F/FL - Additional output flange bolt on body side

GRM LNS TLE/TLI VB

- Reduced end play - Non-standard lubrication - Internal / external torque limiter - NDE (not drive end) worm shaft extension

Unless otherwise requested, the fitting side of output flanges and optional items is on the right side of the gearbox when seen from input as standard.

- 13 -

Worm Gearboxes - Series RS - RT Input arrangements

FRS - FRT

28

40

50

60

70

85

110

130

150

NEMA42

G3

G3

---

---

---

---

---

---

---

NEMA48

---

G3

---

---

---

---

---

---

---

NEMA56

---

G3

G5

G5

G6

G6

G6

---

---

NEMA140

---

---

---

G5

G6

G6

G6

NEMA180

---

---

---

---

G6

G6

G6

■ ■

NEMA210

---

---

---

---

---

---

---

---

■ ■ ■

FXA

63

71

80

100

NEMA56

---

---

---

G6

NEMA140

---

---

---

G6

NEMA180

---

---

---

G6

FRS - FRT

28

40

50

60

70

85

110

130

150

IEC56

G3

G3

---

---

---

---

---

---

---

IEC63

G3

G3

G5

---

---

---

---

---

---

IEC71

---

G3

G5

G5

G6

---

---

---

---

IEC80

---

---

G5

G5

G6

G6

---

---

---

IEC90

---

---

---

G5

G6

G6

G6

---

---

IEC100

---

---

---

---

G6

G6

G6

IEC112

---

---

---

---

---

G6

G6

IEC132

---

---

---

---

---

---



■ ■ ■

IEC160

---

---

---

---

---

---

---

---

■ ■ ■ ■

FXA

63

71

80

100

IEC56

---

---

---

IEC63

■ ■

---

---

---

IEC71

---



---

---

IEC80

---

---

G6

IEC90

---

---

■ ■

IEC100

---

---

---

G6

IEC112

---

---

---

G6

G6

G3, G5, G6 - Aluminium coupling, standard GS3, GS5, GS6, GS8 - Steel coupling, on demand ■ - IEC flange and metric quill input (key/keyway fitting) as standard. Other cases on demand

- 14 -

Worm Gearboxes - Series RS - RT RS, RA. RS/RS

Mounting positions

Output configuration same configurations for SA, IA, DA, FA, FB, PA, PB mountings: refer to page 38 for dimensions. S ( SA )

I ( IA )

B3 (std)

D ( DA )

B3 (std)

PC - PC

B3 (std)

FL ( FA,FB ) & ( PA,PB )

B5 (std)

B5 (std)

B5a

B5i

V5

V5

V5

B5

B8

B8

B8

B5

V6

V6

V6

B5

B5c

B5ci

B6

B6

B6

V1

V1

V1i

B7

B7

B7

V3

V3

10 (std)

11

12

B5b

Helical/Worm Input Configuration (RA)

- 15 -

13

B5ai

B5bi

V3i

Worm Gearboxes - Series RS - RT Mounting positions

RS/RS

Two-stage input configuration

same configurations for SA, IA, DA, FA, FB, PA, PB mountings: refer to page 38 for dimensions. S ( SA )

I ( IA )

D ( DA )

11

12

13

14

15

16

17

18

- 16 -

PC ( PA, PB )

FL ( FA, FB )

Worm Gearboxes - Series RS - RT RT, TA, RT/RT

Mounting positions

B3 (std)

Output configuration (RT, TA, RT / RT)

B6

B7

B8

V5

V6

F (std)

10 (std)

11

12

13

20 (std)

21

22

23

24

25

26

27

Fi

Helical/worm input configuration (TA)

Two-stage worm input configuration (RT/RT)

- 17 -

Worm Gearboxes - Series RS - RT Service factors

GEARBOX SERVICE FACTOR Service factor is the ratio between M2 (gearbox maximum output torque) and M(app) (application torque), and it must be bigger than the related Application factor listed below. Service factor SF1.0 is meant as typical of 16 hours/day operation, with uniform load, starts/ stops lower than 6 per hour and ambient temperature between 60 and 95 °F. For max. ambient temperature exceeding 100 °F or below 32 °F, please ask Customer Service.

Application

Load duration (hrs/day) 3-

3 - 10

10 +

Agitators (mixers) Pure liquids Liquids and solids Liquids - variable density

1.00 1.00 1.00

1.00 1.00 1.25

1.25 1.50 1.50

Blowers Centrifugal Lobe Vane

1.00 1.00 1.00

1.00 1.25 1.25

1.25 1.50 1.50

Brewing and distilling Bottling machinery Brew kettles - continuous duty Cookers - continuous duty Mash tubs - continuous duty Scale hopper - frequent starts

1.00 1.25 1.25 1.25 1.25

1.25 1.25 1.25 1.25 1.25

1.25 1.25 1.25 1.25 1.25

Can filling machine

1.00

1.00

1.25

Car dumpers

1.50

1.75

2.00

Car pullers

1.00

1.25

1.50

Clarifiers

1.00

1.00

1.25

Classifiers

1.00

1.25

1.50

Clay working machinery Brick press Briquette machine Pug mill

1.50 1.50 1.00

1.75 1.75 1.25

2.00 2.00 1.50

Compactors

2.00

2.00

Compressors Centrifugal Lobe Reciprocating, multi-cylinder Reciprocating, single-cylinder

1.00 1.00 1.50 1.75

1.00 1.25 1.50 1.75

Conveyors - General purpose Uniformly loaded or fed - Heavy duty Not uniformly fed - Reciprocating or shaker

Application

Load duration (hrs/day) 3-

3 - 10

10 +

1.00 1.00 1.00 1.00 1.00

1.25 1.00 1.00 1.25 1.00

1.50 1.25 1.25 1.50 1.25

1.50

1.50

1.50

1.50 1.75

1.50 1.75

1.50 1.75

1.75 1.75

1.75 1.75

1.75 1.75

1.00 2.00 1.25 1.50 1.50

1.00 2.00 1.25 1.50 1.50

1.25 2.00 1.25 1.50 1.50

2.00

Feeders Apron Belt Disc Reciprocating Screw

1.00 1.00 1.00 1.50 1.00

1.25 1.25 1.00 1.75 1.25

1.50 1.50 1.25 2.00 1.50

1.25 1.50 1.75 2.00

Food industry Cereal cooker Dough mixer Meat grinders Slicers

1.00 1.25 1.25 1.25

1.00 1.25 1.25 1.25

1.25 1.50 1.50 1.50

Generators and exciters

1.00

1.00

1.25

Hammer mills

1.75

1.75

2.00

Hoists Heavy duty Medium duty Skip hoist

1.25 1.25 1.25

1.75 1.25 1.25

2.00 1.50 1.50

Laundry Tumblers Washers

1.25 1.50

1.25 1.50

1.50 2.00

Lumber industry Barkers Spindle feed Main drive

1.25 1.75

1.25 1.75

1.50 1.75

1.25 1.50 1.75 1.25

1.25 1.50 1.75 1.25

1.50 1.50 2.00 1.50

1.00

1.00

1.25

1.00 1.50

1.25 1.75

1.50 2.00

Crusher Stone or ore

1.75

1.75

2.00

Dredges Cable reels . Conveyors Cutter head drives Pumps Screen drives Stackers Winches

1.25 1.25 2.00 2.00 1.75 1.25 1.25

1.25 1.25 2.00 2.00 1.75 1.25 1.25

1.50 1.50 2.00 2.00 2.00 1.50 1.50

Elevators Bucket Centrifugal discharge Escalators Freight Gravity discharge Extruders General Plastics Variable speed drive Fixed speed drive Rubber Continuous screw operation Intermittent screw operation Fans Centrifugal Cooling towers Forced draft Induced draft Industrial and mine

Conveyors Burner Main or heavy duty Main log Re-saw, merry-go-round

- 18 -

Worm Gearboxes - Series RS - RT Service factors

Application

Load duration (hrs/day) 3-

3 - 10

10 +

Conveyors Slab Transfer

1.75 1.25

1.75 1.25

2.00 1.50

Chains Floor Green

1.50 1.50

1.50 1.50

1.50 1.75

Cut-off saws Chain Drag

1.50 1.50

1.50 1.50

1.75 1.75

Debarking drums

1.75

1.75

2.00

Feeds Edger Gang Trimmer

1.25 1.75 1.25

1.25 1.75 1.25

1.50 1.75 1.50

Log deck

1.75

1.75

1.75

Log hauls - incline - well type

1.75

1.75

1.75

Log turning devices

1.75

1.75

1.75

Planer feed

1.25

1.25

1.50

Planer tilting hoists

1.50

1.50

1.50

Rolls -live-off bearings - roll cases

1.75

1.75

1.75

Sorting table

1.25

1.25

1.50

Tipple hoist Transfers Chain Crane way

1.25

1.25

1.50

1.50 1.50

1.50 1.50

1.75 1.75

Tray drives

1.25

1.25

1.50

Veneer lathe drives

1.25

1.25

1.50

1.25

1.25

1.50

1.50 2.00 2.00

1.50 2.00 2.00

1.50 2.00 2.00

Slab pushers

1.50

1.50

1.50

Shears

2.00

2.00

2.00

Wire drawing machine

1.25

1.25

1.50

Wire winding machine

1.25

1.50

1.50

Metal strip processing machinery Bridles Coilers and uncoilers Edge trimmers Flatteners Loopers (accumulators) Pinch rolls Scrap choppers Shears Slitters

1.25 1.00 1.00 1.25 1.00 1.25 1.25 2.00 1.00

1.25 1.00 1.25 1.25 1.00 1.25 1.25 2.00 1.25

1.50 1.25 1.50 1.50 1.25 1.50 1.50 2.00 1.50

Mills, rotary type Ball and rod Spur ring gear Helical ring gear Direct connected Cement kilns Dryers and coolers

2.00 2.00 1.50 2.00 1.50 1.50

2.00 2.00 1.50 2.00 1.50 1.50

2.00 2.00 1.50 2.00 1.50 1.50

Metal mills Draw bench carriage and main drive Runout table Non-reversing Group drives Individual drives Reversing

- 19 -

Application Mixers Concrete Paper mills Agitator (mixer) Agitator for pure liquors Barking drums Barkers -mechanical Beater Breaker stack Calendar Chipper Chip feeder Coating rolls Conveyors Chip, bark, chemical Log (including slab) Couch rolls Cutter Cylinder moulds Dryers Paper machine Conveyor type Embosser Extruder Fourdrinier rolls (includes lump breaker, dandy roll, wire turning, and return rolls) Jordan Kiln drive Mt Hope roll Paper rolls Platter Presses - felt and suction Pulper Pumps - vacuum Reel (surface type) Screens Chip Rotary Vibrating Size press Super calendar Thickener (AC motor) (DC motor) Washer (AC motor) (DC motor) Wind and unwind stand Winders (surface type) Yankee dryers Plastics industry Primary processing Intensive internal mixers Batch mixers Continuous mixers Batch drop mill - two smooth rolls Continuous feed, holding and blend mill Compounding mill Calendars

Load duration (hrs/day) 3-

3 - 10

10 +

1.25

1.25

1.50

1.50 1.25 2.00 2.00 1.50 1.25 1.25 2.00 1.50 1.25

1.50 1.25 2.00 2.00 1.50 1.25 1.25 2.00 1.50 1.25

1.50 1.25 2.00 2.00 1.50 1.25 1.25 2.00 1.50 1.25

1.25 2.00 1.25 2.00 1.25

1.25 2.00 1.25 2.00 1.25

1.25 2.00 1.25 2.00 1.25

1.25 1.25 1.25 1.50

1.25 1.25 1.25 1.50

1.25 1.25 1.25 1.50

1.25 1.50 1.50 1.25 1.25 1.50 1.25 2.00 1.50 1.25

1.25 1.50 1.25 1.50 1.25 1.50 1.25 2.00 1.50 1.25

1.25 1.50 1.50 1.25 1.25 1.50 1.25 2.00 1.50 1.25

1.50 1.50 2.00 1.25 1.25 1.50 1.25 1.50 1.25 1.00 1.25 1.25

1.50 1.50 2.00 1.25 1.25 1.50 1.25 1.50 1.25 1.00 1.25 1.25

1.50 1.50 2.00 1.25 1.25 1.50 1.25 1.50 1.25 1.25 1.25 1.25

1.75 1.50 1.25

1.75 1.50 1.25

1.75 1.50 1.25

1.25

1.25

1.50

1.25 1.50

1.25 1.50

1.25 1.25

Worm Gearboxes - Series RS - RT Service factors

Application

Load duration (hrs/day) 3-

3 - 10

10 +

Plastics industry Secondary processing Blow moulders Coating Film Pipe Pre-plasticizers Rods Sheet Tubing

1.50 1.25 1.25 1.25 1.50 1.25 1.25 1.25

1.50 1.25 1.25 1.25 1.50 1.25 1.25 1.25

1.50 1.25 1.25 1.25 1.50 1.25 1.25 1.50

Pullers -barge haul

1.25

1.25

1.50

1.00 1.25

1.00 1.25

1.25 1.00

1.25

1.25

1.50

1.25

1.25

1.50

1.00 1.00 1.00

1.00 1.00 1.00

1.25 1.25 1.25

1.75 1.50 1.50

1.75 1.50 1.50

1.75 1.50 1.50

1.50

1.50

1.50

1.75

1.75

1.75

2.00 1.25

2.00 1.25

2.00 1.25

1.50 1.50

1.50 1.50

1.50 1.50

Pumps Centrifugal Proportioning Reciprocating Single acting, three or more cylinders Double acting, two or more cylinders Rotary Gear type Lobe Vane Rubber industry Intensive internal mixers Batch mixers Continuous mixers Mixing mill - two smooth rolls (if corrugated rolls are used, then use the same selection factors that are used for a cracker warmer). Batch drop mill - two smooth rolls Cracker warmer - two rolls; one corrugated roll Cracker - two corrugated rolls. Holding, feed and blend mill two rolls Refiner - two rolls Calendars

Load duration (hrs/day)

Application

3-

3 - 10

10 +

Sand miller

1.25

1.25

1.50

Sewage disposal equipment Bar screens Chemical feeders Dewatering screens Scum breakers Slow or rapid mixers Sludge collectors Thickeners Vacuum filters

1.25 1.25 1.50 1.50 1.50 1.25 1.50 1.50

1.25 1.25 1.50 1.50 1.50 1.25 1.50 1.50

1.25 1.25 1.50 1.50 1.50 1.25 1.50 1.50

Screens Air washing Rotary - stone or gravel Travelling water intake

1.00 1.25 1.00

1.00 1.25 1.00

1.25 1.50 1.25

Sugar industry Beet slicer Cane knives Crushers Mills (low speed end)

2.00 1.50 1.50 1.75

2.00 1.50 1.50 1.75

2.00 1.50 1.50 1.75

Textile industry Batchers Calendars Cards Dry cans Dryers Dyeing machinery Looms Mangles Nappers Pads Slashers Soapers Spinners Tenter frames Washers Winders

1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25

1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25

1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50

This application guide is given by way of an example and therefore, may not include all the possible cases. Should the application not be referable to any of the listed cases, the table below gives two service factors - F1 referred to load type and work duration, and F2 to starts and stops number of the duty cycle - of which the product is the needed gearbox oversizing coefficient in order to have a torque good enough to perform the required work. Application: Conveyor 1000 in-lb @ 84 rpm - uniform load - 24 hrs/day is F1=1.4; 6 start/stops per hour is F2=1.0; Required torque 1000 x 1.4 x 1.0 = 1400 in-lb Gearbox to select FRT70 1/20 (90 rpm) 1717 in-lb, i.e. the gearbox size with torque greater than 1400 in-lb Gearbox service factor: SF1.7 = 1717 in-lb : 1000 in-lb

SERVICE FACTOR SF = F1 × F2 F1 a b c

= Load & time factor = Uniform load = Variable load = Shock load

d F2

= Start/stops per hour = Running factor

F1

a

b

c

d

F2

8 hrs

0.8

1.0

1.5

6

1.0

16 hrs

1.0

1.2

1.8

60

1.2

24 hrs

1.4

1.6

2.0

120

1.4

- 20 -

Worm Gearboxes - Series RS - RT Weights - Oil quantity - Input loads

WEIGHTS [lb] & LUBRICANTS [US quarters / litres]

RS - RT

Weight lb

Oil US qt

Oil litres

RA - TA

Weight lb

Oil US qt

Oil litres

28

2.43

0.03

0.03

63/40

8.82

0.04/0.08

0.04/0.08

40

5.51

0.08

0.08

63/50

11.68

0.04/0.14

50

8.38

0.14

0.13

63/60

17.64

60

14.33

0.26

0.25

71/50

70

19.84

0.37

0.35

85

29.76

0.63

110

85.98

130* 150*

RS / RS RT / RT

Weight lb

Oil US qt

28/28

5.51

0.06

0.04/0.13

28/40

8.60

0.11

0.04/0.26

0.04/0.25

28/50

11.46

0.17

14.55

0.06/0.14

0.06/0.13

28/60

17.42

0.29

71/60

20.50

0.06/0.25

0.06/0.25

40/70

26.46

0.45

0.60

71/70

26.01

0.06/0.37

0.06/0.35

40/85

36.38

0.71

1.59

1.50

71/85

35.93

0.06/0.63

0.06/0.60

50/110

99.21

1.73

110.23

2.91

2.75

80/60

23.15

0.11/0.26

0.10/0.25

60/130*

125.66

3.17

176.37

4.65

4.40

80/70

28.66

0.11/0.37

0.10/0.35

70/150*

198.41

5.02

80/85

38.58

0.11/0.63

0.10/0.60

80/110

94.80

0.11/1.59

0.10/1.50

100/110

101.41

0.21/1.59

0.20/1.50

100/130*

141.09

0.21/2.91

0.20/2.75

100/150*

207.23

0.21/4.65

0.20/4.40

(*) - RS sizes only

INPUT LOADS [lb]

RPM

3300

1800

1100

900

600

350

RS-RT 28

11

15

17

19

22

26

RS-RT 40

24

32

35

37

39

43

RS-RT 50

32

43

48

54

61

65

RS-RT 60

50

65

71

76

80

87

RS-RT 70

56

76

87

95

102

108

RS-RT 85

74

97

112

125

134

151

RS-RT 110

123

162

173

184

199

216

RS 130

151

216

227

238

249

260

RS 150

195

260

270

281

303

324

- 21 -

Overhung load - R1 [lb] Axial Load - A1 = 0.2 x R1 [lb]

Worm Gearboxes - Series RS - RT Output Loads

STANDARD OUTPUT SHAFT BEARINGS - OHL Overhung load R2 [lb] - Axial load A2 = 0.2 × R2 [lb] R

5

7

10

15

20

28

40

49

56

70

80

100

rpm

336

240

168

112

84

60

42

35

30

24

22

17

RS-RT28

108

97

108

119

130

134

151

162

173

195

205

216

16005

RS-RT40

216

216

238

260

292

324

346

368

389

411

433

497

16006

RS-RT50

314

270

314

368

411

433

497

519

562

606

627

692

16008

RS-RT60

487

519

541

627

714

779

843

930

995

1081

1146

1211



RS-RT70

562

584

627

779

843

908

973

1125

1189

1276

1363

1449



RS-RT85

714

714

800

952

1016

1168

1189

1363

1427

1536

1622

1795



RS-RT110

---

843

898

1125

1168

1276

1233

1622

1687

1730

1903

2119



RS130

---

1081

1265

1330

1406

1427

1687

1903

2055

2098

2271

2487

6015

RS150

---

1406

1665

1795

1903

1946

2379

2595

2703

2812

3028

3244

6216

 - RS: 6009 / RT: 6209

 - RS: 6008 / RT: 6208

 - RS: 6010 / RT: 6210

Bearing Type

 - RS: 6012 / RT: 6212

HEAVY DUTY OUTPUT SHAFT BEARINGS - OHL Overhung load R2 [lb] - Axial load A2 = 0.2 × R2 [lb] R

5

7

10

15

20

28

40

49

56

70

80

100

rpm

336

240

168

112

84

60

42

35

30

24

22

17

RS-RT28

162

141

162

177

195

201

227

242

260

281

281

281

6005

RS-RT40

303

324

335

357

411

454

487

519

541

562

562

562

32006

RS-RT50

433

378

433

519

562

649

735

779

843

908

908

908

32008

RS-RT60

627

649

692

800

908

1038

1103

1233

1319

1427

1427

1427

30208

RS-RT70

725

714

800

973

1116

1211

1319

1492

1579

1709

1709

1709



RS-RT85

887

908

995

1189

1363

1557

1579

1817

1882

2033

2033

2033



RS-RT110

---

1081

1168

1449

1622

1730

2011

2271

2401

2401

2401

2401



RS130

---

1514

1709

1860

2098

2141

2530

2790

3071

3136

3136

3136

32015

RS150

---

1946

2336

2509

2855

2920

3568

3893

4044

4217

4217

4217

30216

 - RS:32009 / RT: 30209

 - RS: 32010 / RT: 30210

 - RS:32012 / RT: 30212 - 22 -

Bearing Type

Worm Gearboxes - Series RS - RT Output loads

OUTPUT RADIAL LOADS (OHL) Overhung (radial) loads (Fr) should be checked according to output speed, mounting position (A) and type of the transmission element (B) fitted on the gearbox output shaft and rectified when applicable by the appropriate k T rating factor.

A - Application point of radial load OHL is considered as applied at the output shaft mid-point. Other positions origin loads to be adjusted with the appropriate factor k L. Examples of load distance from the shaft shoulder:

Fr2 kL

L

1.1

1/4 * L

1.0

1/2 * L

0.9

3/4 * L

0.8

L

B - Transmission element

kT

Type of transmission element

1,15

Gear tooth No. < 17

1,40 1,25 1,00

Chain sprocket tooth No. < 13 tooth No. < 20 tooth No. > 20

2,50 1,25

Pulley for V-belt toothed-belt

Fr2 - Overhung (radial) load

Fr2 

2000  M2  kL  kT D

OUTPUT AXIAL LOADS Fa2 - Axial load Fa2 = Fr2 × 0.2 Axial load value is included within the catalogue radial load figures and is valid on both tensile and compressive stress.

- 23 -

Worm Gearboxes - Series RS - RT RS-RT Selection

3600 rpm

RS - RT 28 1.10” CD

RS - RT 40 1.57” CD

RS - RT 50 1.97” CD

RS - RT 60 2.36” CD

RS - RT 70 2.76” CD

RS - RT 85 3.35” CD

RS - RT 110 4.33” CD

RS 130 5.12” CD

RS 150 5.91” CD

Single stage

2-poles - SF1.0

Ratio

5

7

10

15

20

28

40

49

56

70

80

100

output rpm

720

514

360

240

180

129

90

73

64

51

45

36

HP

1.35

1.06

0.82

0.59

0.42

0.39

0.27

0.22

0.20

0.15

0.13

0.07

in-lb

115

115

124

124

115

133

124

115

106

97

89

62

eff.

0.86

0.86

0.83

0.79

0.77

0.69

0.64

0.61

0.54

0.49

0.49

0.46

HP

3.52

2.51

2.01

1.37

0.94

0.82

0.60

0.50

0.44

0.35

0.32

0.25

in-lb

283

274

301

301

266

301

283

274

266

257

248

230

eff.

0.89

0.87

0.85

0.81

0.78

0.72

0.66

0.62

0.6

0.57

0.54

0.51

HP

1.49

1.46

1.42

1.36

1.31

1.21

1.11

1.04

1.01

0.96

0.91

0.85

in-lb

513

549

522

540

460

584

522

496

469

407

434

354

eff.

0.9

0.88

0.86

0.82

0.8

0.75

0.69

0.66

0.64

0.58

0.58

0.52

HP

9.72

7.38

5.87

4.36

3.18

2.68

1.84

1.21

1.22

1.01

0.87

0.57

in-lb

797

823

920

974

956

1027

929

752

814

814

752

602

eff.

0.9

0.88

0.87

0.84

0.82

0.76

0.73

0.71

0.66

0.64

0.6

0.58

HP

13.58

9.55

7.21

5.36

4.02

3.69

2.51

2.01

1.68

1.34

1.16

0.91

in-lb

1115

1080

1151

1230

1204

1425

1372

1257

1151

1062

1018

947

eff.

0.91

0.89

0.88

0.85

0.83

0.78

0.74

0.7

0.68

0.63

0.61

0.58

HP

21.79

16.09

12.57

8.88

7.21

5.20

4.02

3.35

2.85

2.18

1.84

1.56

in-lb

1788

1814

1991

2071

2097

2080

2213

2142

2027

1859

1770

1682

eff.

0.91

0.89

0.88

0.86

0.8

0.8

0.76

0.72

0.71

0.67

0.64

0.6

HP

---

29.33

24.81

17.94

14.42

11.73

8.38

7.54

6.03

5.20

5.03

3.52

in-lb

---

3319

3938

4160

4337

4691

4602

4823

4337

4646

4779

3983

eff.

---

0.9

0.88

0.86

0.84

0.79

0.76

0.73

0.71

0.7

0.67

0.62

HP

---

44.09

36.21

26.48

20.45

15.76

12.91

10.06

8.88

6.54

5.53

4.02

in-lb

---

5000

5797

6239

6328

6328

7213

6549

6903

5930

5487

4956

eff.

---

0.9

0.89

0.87

0.86

0.8

0.78

0.74

0.77

0.72

0.68

0.68

HP

---

62.02

49.62

38.22

28.66

22.80

17.94

14.25

11.06

9.22

8.21

6.03

in-lb

---

7036

7965

8983

8894

9425

10355

9647

8585

8408

8098

7478

eff.

---

0.9

0.89

0.87

0.86

0.82

0.8

0.77

0.77

0.72

0.68

0.68

- 24 -

Worm Gearboxes - Series RS - RT SF1.0 - 4 poles

1800 rpm

RS - RT 28 1.10” CD

Single stage

Ratio

5

7

10

15

20

28

40

49

56

70

80

100

output rpm

360

257

180

120

90

64

45

37

32

26

23

18

HP

1.09

0.75

0.55

0.39

0.27

0.27

0.17

0.15

0.13

0.10

0.08

0.05

in-lb

159

159

159

159

142

177

150

150

133

106

106

71

0.84

0.84

0.81

0.77

0.74

0.66

0.62

0.57

0.51

0.45

0.45

0.43

eff.

RS - RT 40 1.57” CD

RS - RT 50 1.97” CD

RS - RT 60 2.36” CD

RS - RT 70 2.76” CD

RS - RT 85 3.35” CD

RS - RT 110 4.33” CD

RS 130 5.12” CD

RS 150 5.91” CD

RS-RT Selection

HP

1.87

1.84

1.36

0.92

0.64

0.62

0.42

0.35

0.30

0.23

0.20

0.15

in-lb

398

398

407

389

345

425

372

363

336

319

283

257

eff.

0.87

0.85

0.83

0.78

0.75

0.68

0.61

0.58

0.56

0.52

0.50

0.46

HP

4.53

3.02

2.18

1.56

1.06

1.06

0.69

0.62

0.52

0.42

0.34

0.22

in-lb

717

664

664

655

575

752

637

673

628

558

513

381

eff.

0.88

0.86

0.84

0.78

0.76

0.71

0.64

0.62

0.60

0.53

0.52

0.47

HP

6.87

4.69

3.86

2.68

2.01

1.68

1.26

1.04

0.91

0.77

0.62

0.42

in-lb

1106

1000

1177

1151

1080

1230

1195

1133

1089

1080

938

735

eff.

0.89

0.86

0.84

0.81

0.77

0.71

0.66

0.62

0.60

0.55

0.53

0.49

HP

9.55

6.71

5.20

3.69

3.02

2.51

2.01

1.41

1.24

0.97

0.84

0.62

in-lb

1558

1469

1593

1664

1717

1912

2106

1673

1593

1443

1363

1151

eff.

0.89

0.88

0.86

0.83

0.81

0.75

0.71

0.67

0.64

0.59

0.56

0.52

HP

15.25

10.39

7.71

5.70

4.86

3.69

2.68

2.35

2.01

1.61

1.44

0.92

in-lb

2469

2292

2372

2558

2850

2823

2876

2797

2699

2567

2478

1859

eff.

0.90

0.88

0.86

0.83

0.82

0.76

0.72

0.67

0.68

0.63

0.60

0.56

HP

---

20.95

15.09

10.90

9.55

7.38

5.87

4.53

3.69

3.35

2.51

1.84

in-lb

---

4646

4708

4956

5726

5682

6115

5584

5266

5620

4646

4151

eff.

---

0.88

0.87

0.84

0.83

0.76

0.73

0.71

0.70

0.67

0.66

0.61

HP

---

31.85

25.14

18.44

14.25

12.57

9.22

6.54

6.20

4.53

4.02

3.02

in-lb

---

7142

7877

8496

8629

9735

10089

8408

8894

7655

7169

6638

eff.

---

0.89

0.87

0.85

0.84

0.77

0.76

0.72

0.71

0.67

0.63

0.61

HP

---

41.74

35.20

26.82

20.95

15.92

13.41

9.89

8.55

6.37

5.53

4.36

in-lb

---

9381

11151

12479

12656

12700

14868

12744

12567

10886

10355

9912

eff.

---

0.89

0.88

0.84

0.79

0.77

0.73

0.73

0.68

0.65

0.63

0.86

- 25 -

Worm Gearboxes - Series RS - RT RS-RT Selection

1200 rpm

RS - RT 28 1.10” CD

RS - RT 40 1.57” CD

RS - RT 50 1.97” CD

RS - RT 60 2.36” CD

RS - RT 70 2.76” CD

RS - RT 85 3.35” CD

RS - RT 110 4.33” CD

RS 130 5.12” CD

RS 150 5.91” CD

Single stage

6 poles - SF1.0

Ratio

5

7

10

15

20

28

40

49

56

70

80

100

output rpm

240

171

120

80

60

43

30

24

21

17

15

12

HP

0.79

0.60

0.40

0.30

0.22

0.20

0.13

0.12

0.10

0.07

0.05

0.03

in-lb

195

195

177

186

168

195

177

168

142

115

97

71

eff.

0.82

0.82

0.78

0.72

0.7

0.61

0.56

0.52

0.45

0.43

0.4

0.37

HP

2.01

1.41

1.07

0.74

0.50

0.47

0.32

0.27

0.23

0.20

0.17

0.13

in-lb

478

460

478

460

398

460

407

381

363

354

345

319

eff.

0.86

0.83

0.8

0.74

0.7

0.63

0.56

0.52

0.49

0.46

0.44

0.42

HP

3.52

2.51

1.84

1.26

0.87

0.85

0.59

0.47

0.42

0.32

0.28

0.20

in-lb

850

841

841

805

699

876

752

717

708

593

593

487

eff.

0.86

0.85

0.81

0.76

0.72

0.65

0.58

56

0.54

0.47

0.46

42

HP

5.36

4.02

3.18

2.35

1.68

1.46

0.94

0.72

0.67

0.54

0.47

0.32

in-lb

1328

1328

1443

1469

1425

1549

1345

1195

1151

1106

1018

832

eff.

0.87

0.85

0.83

0.75

0.76

0.68

0.64

0.61

0.55

0.53

0.48

0.47

HP

7.54

5.36

4.02

2.85

2.18

2.01

1.46

1.07

0.89

0.70

0.64

0.50

in-lb

1876

1788

1867

1929

1832

2142

2124

1814

1655

1505

1416

1301

eff.

0.88

0.86

0.83

0.79

0.77

0.7

0.654

0.62

0.59

0.54

0.5

0.46

HP

12.07

8.38

6.54

5.03

3.52

3.02

2.51

1.68

1.39

1.22

1.07

0.85

in-lb

2991

2832

3098

3345

3142

3301

3629

3098

2938

2655

2567

2301

eff.

0.88

0.86

0.84

0.8

0.78

0.71

0.66

0.672

0.671

0.55

0.53

0.48

HP

---

16.43

13.41

9.55

7.38

6.20

4.53

3.86

3.18

2.85

2.51

1.58

in-lb

---

5620

6372

6593

6593

7036

6903

6903

6107

6770

6328

4425

eff.

---

0.87

0.85

0.82

0.79

0.73

0.68

0.64

0.62

0.59

0.57

0.5

HP

---

24.98

19.61

14.08

10.90

8.55

6.87

5.20

4.69

3.52

3.02

2.18

in-lb

---

8629

9470

9868

9868

10133

10753

9691

10133

8496

7877

7124

eff.

---

0.88

0.86

0.83

0.81

0.75

0.7

0.67

0.68

0.63

0.58

0.57

HP

---

34.87

26.65

20.45

15.59

12.24

9.39

7.54

5.53

4.86

4.19

3.35

in-lb

---

12036

13010

14470

14381

14691

15399

14160

12125

12302

11417

10886

eff.

---

0.88

0.87

0.84

0.82

0.77

0.73

0.69

0.69

0.64

0.61

0.58

- 26 -

Worm Gearboxes - Series RS - RT SF1.0 - 8 poles

900 rpm

RS - RT 28 1.10” CD

RS - RT 40 1.57” CD

RS - RT 50 1.97” CD

RS - RT 60 2.36” CD

RS - RT 70 2.76” CD

RS - RT 85 3.35” CD

RS - RT 110 4.33” CD

RS 130 5.12” CD

RS 150 5.91” CD

Single stage

RS-RT Selection

Ratio

5

7

10

15

20

28

40

49

56

70

80

100

output rpm

180

129

90

60

45

32

23

18

16

13

11

9

HP

0.66

0.49

0.35

0.23

0.17

0.17

0.10

0.08

0.07

0.05

0.03

0.02

in-lb

204

204

204

195

186

212

186

177

150

115

97

71

eff.

0.81

0.81

0.77

0.71

0.69

0.6

0.55

0.51

0.44

0.4

0.39

0.36

HP

1.68

1.24

0.91

0.65

0.44

0.40

0.28

0.23

0.20

0.17

0.15

0.12

in-lb

522

513

513

513

434

487

434

407

398

381

363

336

eff.

0.85

0.82

0.79

0.73

0.68

0.59

0.53

0.5

0.48

0.44

0.42

0.39

HP

3.02

2.35

1.54

1.09

0.74

0.72

0.49

0.40

0.35

0.27

0.25

0.20

in-lb

938

974

885

876

761

938

805

770

735

620

637

549

eff.

0.86

0.83

0.8

0.75

0.71

0.64

0.57

0.542

0.52

0.45

0.44

0.39

HP

4.69

3.35

2.68

1.84

1.46

1.22

0.82

0.59

0.57

0.44

0.40

0.28

in-lb

1460

1451

1566

1575

1549

1655

1460

1239

1230

1133

1062

885

eff.

0.87

0.84

0.81

0.77

0.74

0.67

0.62

0.59

0.54

0.51

0.46

0.44

HP

6.54

4.53

3.52

2.35

1.84

1.68

1.19

0.92

0.77

0.60

0.54

0.40

in-lb

2071

1912

2062

2044

1991

2266

2168

1947

1743

1558

1478

1328

eff.

0.87

0.85

0.82

0.78

0.75

0.68

0.63

0.6

0.56

0.51

0.48

0.45

HP

10.39

7.71

5.87

4.19

3.18

2.51

2.01

1.56

1.31

0.99

0.94

0.74

in-lb

3292

3275

3540

3611

3434

3540

3717

3354

3124

2744

2699

2434

eff.

0.87

0.85

0.83

0.79

0.76

0.69

0.65

0.61

0.59

0.55

0.5

0.46

HP

---

14.25

11.40

8.21

6.54

5.53

3.86

3.35

2.85

2.51

2.01

1.32

in-lb

---

6195

6903

7036

7213

7877

7257

7434

6815

7213

6372

4558

eff.

---

0.86

0.84

0.8

0.77

0.71

0.66

0.62

0.6

0.57

0.55

0.48

HP

---

21.46

17.27

12.40

9.39

7.38

6.03

4.53

4.02

3.02

2.68

1.84

in-lb

---

9381

10620

10886

10753

10620

11682

10487

10753

9116

8452

7567

eff.

---

0.87

0.85

0.81

0.8

0.72

0.68

0.65

0.66

0.61

0.56

0.55

HP

---

30.17

22.96

17.77

13.58

10.39

8.21

6.37

5.03

4.36

3.86

2.85

in-lb

---

13054

14249

15974

15753

15842

16727

15134

13585

13275

12611

11284

eff.

---

0.87

0.86

0.83

0.81

0.75

0.71

0.68

0.67

0.61

0.58

0.56

- 27 -

Worm Gearboxes - Series RS - RT RA-TA Selection

XA

XA63

3.5

6.3

8

rpm

514

286

225

Single-stage helical attachment XA

ir

3.5

6.2

7.8

FXA63, FXA71 & FXA80: IEC input only

HP

0.84

0.39

0.30

FXA100: NEMA and IEC input

in-lb

106

89

80

8435

9732

9732

3.5

6.4

8.0

1.84

0.87

0.62

ir HP in-lb R2 [lb] ir XA80

HP in-lb R2 [lb] ir

XA100

4 poles - SF1.0

in

R2 [lb]

XA71

Helical/worm - 3.5:1

230

195

177

10597

12111

12111

3.4

6.4

8.3

5.20

2.51

1.84

602

575

531

13193

15139

15139

3.9

6.2

HP

14.58

6.71

in-lb

2080

1443

44979

31198

R2 [lb]

7.5 R2 [lb] = Input Overhung Load (OHL) 3.69 A2 (0.2 x R2) [lb] = Output Axial Load 1204 in = nominal reduction ratio 26030 ir = real reduction ratio

Helical/worm gearbox RA - TA

R1 3.5:1 RA - TA 63/40

RA - TA 63/50 71/50

R1xR2 R2

18

25

35

53

70

98

140

172

196

245

280

350

5

7

10

15

20

28

40

49

56

70

80

100

rpm

100

72

51

34

26

18

13

10

9

7

6

5

HP

0.94

0.92

0.67

0.47

0.34

0.32

0.22

0.18

0.17

0.10

0.08

0.05

in-lb

0.37

637

637

620

531

620

566

513

496

372

310

221

eff.

0.80

0.78

0.75

0.7

0.63

0.56

0.5

0.46

0.44

0.41

0.4

0.35

HP

1.37

1.71

1.17

0.84

0.55

0.54

0.35

0.34

0.27

0.18

0.15

0.10

in-lb

1270

1195

1124

1106

929

1106

929

1018

885

708

620

443

eff.

0.81

0.79

0.76

0.7

0.66

0.59

0.52

0.5

0.46

0.42

0.4

0.35

0.25

0.17

RA - TA 63/60 71/60 80/60

HP

2.70

2.56

1.98

1.39

0.96

0.89

0.55

0.45

0.39

0.32

in-lb

1940

1814

1920

1903

1699

1920

1566

1505

1345

1283

974

752

eff.

0.82

0.8

0.77

0.72

0.7

0.61

0.57

0.54

0.49

0.45

0.38

0.36

RA - TA 71/70 80/70

HP

3.57

3.29

2.48

1.81

1.29

1.21

0.84

0.72

0.60

0.50

0.44

0.32

in-lb

2500

2345

2434

2522

2301

2744

2390

2390

2080

1991

1770

1593

eff.

0.83

0.81

0.78

0.74

0.71

0.64

0.57

0.54

0.49

0.45

0.41

0.39

RA - TA 71/85 80/85

HP

5.5

5.26

4.01

2.97

2.30

1.86

1.34

1.09

0.97

0.82

0.67

0.44

in-lb

3900

3806

3983

4204

4160

4204

3938

3717

3629

3452

3009

2213

eff.

0.84

0.82

0.79

0.75

0.72

0.64

0.58

0.55

0.53

0.48

0.44

0.4

RA - TA 80/110 100/110

HP

---

10.09

7.76

6.00

4.38

3.65

2.68

2.13

1.88

1.44

1.44

0.91

in-lb

---

7390

7921

8408

8054

8496

8408

7523

7257

6638

6549

4779

eff.

---

0.83

0.81

0.74

0.73

0.66

0.62

0.57

0.55

0.52

0.45

0.42

HP

---

11.73

11.40

9.22

6.37

5.20

3.86

2.85

2.51

2.18

1.84

1.34

in-lb

---

8629

11682

13231

11948

12656

12213

11505

11063

10620

9558

7788

eff.

---

0.83

0.81

0.77

0.75

0.67

0.63

0.64

0.62

0.6

0.5

0.48

HP

---

13.24

13.07

12.57

9.55

7.54

5.53

4.53

4.02

3.02

2.68

1.68

in-lb

---

11415

13585

18497

18231

18851

18143

18054

17921

15045

12912

10620

eff.

---

0.84

0.82

0.79

0.76

0.69

0.66

0.64

0.62

0.6

0.52

0.5

RA 100/130

RA 100/150

- 28 -

Worm Gearboxes - Series RS - RT SF1.0 - 4 poles

R1 6.3:1

RA - TA 63/40

RA - TA 63/50 71/50

RA - TA 63/60 71/60 80/60

RA - TA 71/70 80/70

RA - TA 71/85 80/85

RA - TA 80/110 100/110

RA 100/130

RA 100/150

Helical/worm - 6.3:1

RA-TA Selection

R1xR2

32

44

63

95

126

176

252

309

353

441

504

630

R2

5

7

10

15

20

28

40

49

56

70

80

100

rpm

56

41

29

19

14

10

7

6

5

4

4

3

HP

0.60

0,59

0,42

0,28

0,20

0,18

0,13

0,10

0,10

0,08

0,07

0,05

in-lb

699

699

690

655

558

611

558

504

487

469

451

407

eff.

0.78

0,76

0,72

0,67

0,6

0,52

0,45

0,43

0,39

0,35

0,34

0,31

HP

1.09

1,04

0,70

0,50

0,34

0,34

0,23

0,18

0,17

0,15

0,12

0,08

in-lb

1320

1283

1177

1151

1000

1221

1018

956

885

814

788

637

eff.

0.80

0,78

0,74

0,67

0,63

0,55

0,48

0,45

0,42

0,36

0,36

0,31

HP

1.63

1,54

1,24

0,87

0,67

0,59

0,39

0,27

0,27

0,18

0,17

0,13

in-lb

1980

1929

2097

2080

2036

2106

1859

1416

1549

1248

1151

1080

eff.

0.81

0,79

0,75

0,7

0,67

0,57

0,53

0,49

0,45

0,42

0,37

0,35

HP

2.08

2,01

1,59

1,14

0,84

0,74

0,54

0,44

0,39

0,30

0,28

0,20

in-lb

2600

2558

2744

2744

2584

2832

2292

2407

2248

1956

1859

1682

eff.

0.82

0,8

0,76

0,71

0,68

0,6

0,54

0,5

0,46

0,42

0,37

0,36

HP

3.48

3,35

2,68

1,84

1,41

1,16

0,89

0,72

0,62

0,47

0,44

0,37

in-lb

4400

4337

4655

4567

4381

4434

4425

4124

3974

3460

3363

3053

eff.

0.82

0,8

0,77

0,72

0,69

0,6

0,55

0,51

0,5

0,46

0,42

0,36

HP

---

7,21

5,36

4,02

3,02

2,68

1,84

1,68

1,34

1,11

0,85

0,54

in-lb

---

9116

9735

10178

9735

10355

9824

9735

8806

8408

6903

4868

eff.

---

0,81

0,79

0,74

0,71

0,63

0,57

0,53

0,52

0,48

0,45

0,39

HP

---

10,74

8,28

6,24

4,54

3,97

2,77

2,46

2,10

1,71

1,37

0,79

in-lb

---

14160

15045

15930

15045

15930

15045

15045

14160

14160

11505

7965

eff.

---

0,83

0,8

0,75

0,73

0,63

0,6

0,55

0,53

0,52

0,46

0,45

HP

---

14,10

11,08

8,45

6,32

5,06

3,87

3,05

2,36

2,08

1,83

1,41

in-lb

---

18585

20355

22125

21240

21240

22125

20355

17700

15930

15930

15045

eff.

---

0,83

0,81

0,77

0,74

0,66

0,63

0,6

0,59

0,81

0,48

0,47

- 29 -

Worm Gearboxes - Series RS - RT RA-TA Selection

R1 8:1

RA - TA 63/40

RA - TA 63/50 71/50

RA - TA 63/60 71/60 80/60

RA - TA 71/70 80/70

RA - TA 71/85 80/85

RA - TA 80/110 100/110

RA 100/130

RA 100/150

Helical/worm - 8:1

4 poles - SF1.0

R1xR2

40

56

80

120

160

224

320

392

448

560

640

800

R2

5

7

10

15

20

28

40

49

56

70

80

100

rpm

45

32

23

15

11

8.0

6.6

4.6

4.0

3.2

2.8

2,2

HP

0.55

0.54

0.39

0.27

0.18

0.18

0.13

0.10

0.08

0.05

0.05

0.03

in-lb

823

823

788

743

637

752

664

611

522

398

336

239

eff.

0.71

0.75

0.72

0.65

0.59

0.5

0.44

0.41

0.38

0.36

0.34

0.31

HP

1.05

0.97

0.69

0.47

0.34

0.30

0.22

0.17

0.15

0.10

0.08

0.05

in-lb

1620

1505

1460

1363

1151

1328

1151

1062

1018

761

646

469

eff.

0.79

0.77

0.73

0.67

0.61

0.55

0.47

0.45

0.41

0.36

0.37

0.31

HP

1.6

1.46

1.14

0.82

0.57

0.52

0.35

0.27

0.25

0.17

0.13

0.08

in-lb

2480

2301

2478

2434

2124

2390

2080

1947

1770

1372

1106

814

eff.

0.80

0.78

0.75

0.69

0.65

0.57

0.51

0.5

0.43

0.41

0.37

0.35

HP

2.31

2.11

1.47

1.06

0.74

0.80

0.50

0.40

0.34

0.27

0.20

0.08

in-lb

3560

3363

3230

3186

2876

3894

2832

2832

2434

2168

1770

1283

eff.

0.81

0.79

0.76

0.7

0.67

0.6

0.53

0.5

0.45

0.41

0.38

0.35

HP

3.2

2.95

2.38

1.79

1.42

1.09

0.80

0.67

0.55

0.44

0.34

0.22

in-lb

5050

4691

5266

5487

5487

5310

4956

4868

4514

3983

3186

2301

eff.

0.81

0.79

0.77

0.71

0.67

0.6

0.54

0.52

0.5

0.45

0.41

0.37

HP

---

5.73

4.61

3.30

2.55

2.16

1.63

1.22

1.07

0.87

0.72

0.45

in-lb

---

9248

10355

10443

10266

10620

10443

9027

8673

8142

7523

4868

eff.

---

0.8

0.78

0.73

0.7

0.61

0.56

0.52

0.5

0.46

0.45

0.38

HP

---

5.53

5.03

5.36

3.86

3.02

2.01

1.84

1.51

1.17

1.17

0.84

in-lb

---

8850

10974

16284

15620

15576

15045

14691

14160

12700

11771

10266

eff.

---

0.8

0.78

0.73

0.72

0.62

0.58

0.56

0.54

0.51

0.45

0.43

HP

---

6.20

5.70

6.03

5.70

4.53

3.35

2.85

2.35

1.84

1.68

1.34

in-lb

---

10001

12611

19028

22833

23674

25311

22568

22037

18674

17435

16417

eff.

---

0.81

0.79

0.75

0.72

0.63

0.61

0.56

0.57

0.49

0.46

0.45

- 30 -

Worm Gearboxes - Series RS - RT SF1.0 - 4 poles

RS/RS RT/RT

28/28

28/40

28/50

28/60

40/70

40/85

50/110

RS/RS only 60/130

RS/RS only 70/150

Two-stage worm

RS/RS-RT/RT Selection

R1

10

15

20

28

40

56

56

70

100

100

100

100

R2

28

28

28

28

28

28

40

40

40

56

80

100

R1xR2

280

420

560

784

1120

1568

2240

2800

4000

5600

8000

10000

rpm

6.4

4,3

3,2

2,3

1,6

1,2

0,80

0,64

0,45

0,32

0,23

0,18

HP

0.055

0.05

0.04

0.04

0.03

0.02

0.02

0.01

0.01

0.005

0.003

0.002

in-lb

300

310

319

319

319

310

266

266

266

142

106

97

eff.

0.40

0.38

0.37

0.32

0.3

0.25

0.21

0.20

0.18

0.14

0.12

0.13

HP

0.14

0.13

0.10

0.08

0.06

0.05

0.04

0.04

0.02

0.02

0.008

0.005

in-lb

740

752

752

708

708

708

646

673

620

549

363

221

eff.

0.42

0.39

0.37

0.33

0.31

0.25

0.21

0.18

0.18

0.15

0.14

0.12

HP

0.24

0.22

0.18

0.15

0.12

0.10

0.06

0.06

0.05

0.03

0.02

0.01

in-lb

1300

1328

1328

1416

1549

1416

1106

1159

1301

1106

690

434

eff.

0.42

0.39

0.37

0.33

0.31

0.25

0.22

0.19

0.19

0.16

0.14

0.12

HP

0.36

0.33

0.26

0.22

0.15

0.15

0.11

0.09

0.05

0.05

0.03

0.02

in-lb

2050

2124

2124

2168

2036

2301

2168

1920

1451

1726

1133

805

eff.

0.45

0.42

0.4

0.35

0.33

0.27

0.23

0.21

0.2

0.16

0.14

0.13

HP

0.55

0.50

0.42

0.33

0.26

0.20

0.14

0.12

0.10

0.07

0.04

0.03

in-lb

3100

3363

3540

3540

3496

3363

3275

3053

3186

2841

1779

1363

eff.

0.46

0.44

0.42

0.38

0.33

0.3

0.27

0.25

0.22

0.2

0.15

0.14

HP

0.8

0.75

0.62

0.46

0.38

0.30

0.23

0.20

0.15

0.12

0.07

0.04

in-lb

5100

5266

5531

5177

5531

5399

5443

5266

5000

4868

3301

2336

eff.

0.49

0.46

0.44

0.4

0.35

0.32

0.28

0.26

0.23

0.2

0.17

0.15

HP

1.6

1.45

1.27

0.97

0.76

0.64

0.49

0.39

0.27

0.21

0.14

0.09

in-lb

10200

10532

11505

11505

11328

11948

11859

10709

9470

8673

7169

4956

eff.

0.50

0.48

0.45

0.42

0.37

0.33

0.3

0.27

0.24

0.2

0.18

0.16

HP

2.7

2.51

1.84

1.26

0.92

0.92

0.62

0.42

0.42

0.42

0.42

0.42

in-lb

17100

17833

17081

14780

13541

17833

16196

12479

15665

16373

12567

10841

eff.

0.53

0.5

0.46

0.43

0.4

0.35

0.33

0.3

0.27

0.25

0.21

0.2

HP

3.3

3.02

2.51

1.84

1.26

1.26

0.92

0.62

0.62

0.42

0.42

0.42

in-lb

27400

22745

25046

22745

21771

25223

26727

20576

25444

23630

18895

17656

eff.

0.55

0.52

0.5

0.46

0.43

0.39

0.36

0.33

0.31

0.27

0.23

0.22

- 31 -

Worm Gearboxes - Series RS - RT Dimensions

RS

Single-stage worm

S

I

D

FL

PC

RS

- 32 -

Worm Gearboxes - Series RS - RT Single-stage worm

RS

Dimensions

28

40

50

60

70

85

110

130

150

(1.10 CD)

(1.57 CD)

(1.97 CD)

(2.36 CD)

(2.76 CD)

(3.35 CD)

(4.33 CD)

(5.12 CD)

(5.91 CD)

A

2.76

3.94

4.72

5.43

6.22

7.60

9.84

11.26

13.23

A1

2.05

2.76

3.35

3.74

4.72

5.51

7.87

9.25

10.24

AA

3.90

5.43

6.42

7.56

8.70

9.92

13.11

15.75

17.87

B

3.07

4.02

4.69

5.35

#

6.61

7.87

9.06

9.84

B1

2.60

3.31

3.90

4.37

4.57

5.51

6.38

7.48

8.27

C

1.18

1.61

1.93

2.36

2.36

2.40

3.05

3.54

4.13

D

0.625

0.75

1.0

1.125

1.25

1.375

1.625

1.75

2.0

14

18 19 20

24 25

25

25 28 30

32 35

42

48

55

9

11

14

19

19

24

28

38

42

E

1.34

1.97

2.40

2.76

3.15

3.86

4.92

5.63

6.61

F

2.76

5.51

6.30

7.09

7.87

7.87

9.84

11.81

13.78

F1

0.22

0.28

0.35

0.43

0.43

0.51

0.55

0.59

0.75

G

1.57

3.74

4.33

4.53

5.12

5.12

7.09

9.06

9.84

G1

1.65

2.36

2.76

2.76

3.15

4.33

5.12

7.09

7.09

H

2.05

2.80

3.35

3.94

4.53

5.31

6.77

7.87

9.06

H1

1.85

2.64

3.07

3.62

4.17

4.61

6.34

7.87

8.82

H2

0.35

0.59

0.69

0.85

0.75

1.04

0.98

1.00

1.50

H4

1.57

1.97

2.36

2.83

3.39

4.06

5.47

6.26

7.20

I

1.10

1.57

1.97

2.36

2.76

3.35

4.33

5.12

5.91

K

2.60

3.27

3.82

4.06

4.96

6.30

5.94

6.81

7.52

L

0.79

0.91

1.18

1.57

1.57

1.97

2.36

3.15

3.94

M

1.97

2.56

2.95

3.43

4.33

4.86

5.75

6.54

7.68

M1

0.71

0.84

1.12

1.25

1.37

1.52

1.80

1.93

2.27

M2

0.40

0.49

0.63

0.89

0.89

1.06

1.22

1.61

1.77

N1

0.19

0.19

0.25

0.25

0.25

0.31

0.38

0.38

0.5

N2

0.12

0.16

0.20

0.24

0.24

0.31

0.31

0.39

0.47

O

1.45

2.04

2.36

2.75

2.75

3.14

3.54

4.72

4.72

O1

0.09

0.13

0.13

0.18

0.18

0.19

0.23

0.35

0.35

P

1.93

3.23

3.60

4.57

4.37

3.94

5.91

5.91

6.30

P1

2.64

3.70

3.94

4.02

4.65

5.91

7.87

9.21

9.84

P2

0.75

1.61

1.67

2.20

2.01

1.54

2.85

2.36

2.17

Q

30°

60°

55°

60°

60°

60°

60°

60°

60°

R

2.20

4.53

5.12

5.91

6.50

6.50

8.46

10.43

11.81

R1

2.20

3.27

3.35

3.35

3.94

5.12

6.50

8.46

8.46

S

1.26

1.50

1.93

2.26

2.24

2.22

2.93

3.43

4.02

S1

0.24

0.35

0.47

0.47

0.55

0.59

0.67

0.75

0.79

S2

- 0.12

0.08

0.10

0.10

0.12

0.12

0.10

0.20

0.20

U

0.16

0.24

0.39

0.39

0.47

0.24

0.20

0.20

0.24

V

0.26 (4x)

0.35 (4x)

0.35 (4x)

0.43 (4x)

0.51 (4x)

0.51 (4x)

0.59 (8x)

0.59 (8x)

0.75 (8x)

V1

M6x6 (4x)

M6x9 (4x)

M8x12 (4x)

M8x15 (8x)

V2

M4x10

M4x10

M6x15

M8x20

1.85

2.40

RS

D2

Y1 Y2 Z

M5x8.5 (6x) M5x10 (6x) 0.24

0.39

M8x18 (8x) M10x20 (8x) M12x21 (8x) M12x24 (8x) M14x30 (8x) M8x20

2.75

3.14

3.34

M6x10 (6x)

M6x12 (6x)

M8x16 (6x)

0.39

0.43

0.55

# = 5.39 (Bolted feet) or 5.51 (Integral feet) - Motor dimensions (X, Y, Z1) refer to manufacturer’s catalogue - RS input dimensions M, O, O1, Q, Y1, Y2 also apply to SRS input - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 33 -

M8x20

M8x20

M10x22

M12x25

3.93

4.17

5.51

5.51

M8x15 (6x) M8x15.5 (6x) M10x20 (6x) M10x20 (6x) 0.55

0.63

0.87

0.79

Worm Gearboxes - Series RS - RT Dimensions

RA

Helical / worm

S

I

FL

D

PC

- 34 -

RA

Worm Gearboxes - Series RS - RT Helical / worm

XA RS

RA

63 (IEC input only)

Dimensions

71 (IEC input only)

80 (IEC input only)

100 (NEMA & IEC input)

40

50

60

50

60

70

85

60

70

85

110

110

130

150

(1.57)

(1.97)

(2.36)

(1.97)

(2.36)

(2.76)

(3.35)

(2.36)

(2.76)

(3.35)

(4.33)

(4.33)

(5.12)

(5.91)

A

3.94

4.72

5.43

4.72

5.43

6.22

7.60

5.43

6.22

7.60

9.84

9.84

11.26

13.23

A1

2.76

3.35

3.74

3.35

3.74

4.72

5.51

3.74

4.72

5.51

7.87

7.87

9.25

10.24

AA

5.43

6.42

7.56

6.42

7.56

8.70

9.92

7.56

8.70

9.92

13.11

13.11

15.75

17.87

B

4.02

4.69

5.35

4.69

5.35

#

6.61

5.35

#

6.61

7.87

7.87

9.06

9.84

B1

3.31

3.90

4.37

3.90

4.37

4.57

5.51

4.37

4.57

5.51

6.38

6.38

7.48

8.27

C

1.61

1.93

2.36

1.93

2.36

2.36

2.40

2.36

2.36

2.40

3.05

3.05

3.54

4.13

D

0.75

1.0

1.125

1.0

1.125

1.25

1.375

1.125

1.25

1.375

1.625

1.625

1.75

2.0

25

24 25

25

42

42

48

55

18 19 20 24 25

25 28 30 32 35

25

25 28 30 32 35

D2

11

11

11

14

14

14

14

19

19

19

19

24

24

24

E

1.97

2.40

2.76

2.40

2.76

3.15

3.86

2.76

3.15

3.86

4.92

4.92

5.63

6.61

F

5.51

6.30

7.09

6.30

7.09

7.87

7.87

7.09

7.87

7.87

9.84

9.84

11.81

13.78

F1

0.28

0.35

0.43

0.35

0.43

0.43

0.51

0.43

0.43

0.51

0.55

0.55

0.59

0.75

G

3.74

4.33

4.53

4.33

4.53

5.12

5.12

4.53

5.12

5.12

7.09

7.09

9.06

9.84

G1

2.36

2.76

2.76

2.76

2.76

3.15

4.33

2.76

3.15

4.33

5.12

5.12

7.09

7.09

H

2.80

3.35

3.94

3.35

3.94

4.53

5.31

3.94

4.53

5.31

6.77

6.77

7.87

9.06

H1

2.64

3.07

3.62

3.07

3.62

4.17

4.61

3.62

4.17

4.61

6.34

6.34

7.87

8.82

H2

0.59

0.69

0.85

0.69

0.85

0.75

1.04

0.85

0.75

1.04

0.98

0.98

1.00

1.50

H4

1.97

2.36

2.83

2.36

2.83

3.39

4.06

2.83

3.39

4.06

5.47

5.47

6.26

7.44

I

1.57

1.97

2.36

1.97

2.36

2.76

3.35

2.36

2.76

3.35

4.33

4.33

5.12

5.91

I2

1.26

1.26

1.26

1.57

1.57

1.57

1.57

1.97

1.97

1.97

1.97

2.48

2.48

2.48

K1

6.04

6.73

6.97

6.81

7.20

8.23

8.82

8.15

9.15

9.86

10.41

12.91

13.46

14.49

L

0.91

0.91

0.91

1.18

1.18

1.18

1.18

1.57

1.57

1.57

1.57

1.97

1.97

1.97

M1

0.84

1.12

1.25

1.12

1.25

1.37

1.52

1.25

1.37

1.52

1.80

1.80

1.93

2.27

M2

0.49

0.49

0.49

0.63

0.63

0.63

0.63

0.89

0.89

0.89

0.89

1.06

1.06

1.06

N1

0.19

0.25

0.25

0.25

0.25

0.25

0.31

0.25

0.25

0.31

0.38

0.37

0.38

0.50

N2

0.16

0.16

0.16

0.20

0.20

0.20

0.20

0.24

0.24

0.24

0.24

0.31

0.31

0.31

P

3.23

3.60

4.57

3.60

4.57

4.37

3.94

4.57

4.37

3.94

5.91

5.91

5.91

6.30

P1

3.70

3.94

4.02

3.94

4.02

4.65

5.91

4.02

4.65

5.91

7.87

7.87

9.21

9.84

P2

1.61

1.67

2.20

1.67

2.20

2.01

1.54

2.20

2.01

1.54

2.85

2.85

2.36

2.17

R

4.53

5.12

5.91

5.12

5.91

6.50

6.50

5.91

6.50

6.50

8.46

8.46

10.43

11.81

R1

3.27

3.35

3.35

3.35

3.35

3.94

5.12

3.35

3.94

5.12

6.50

6.50

8.46

8.46

S

1.50

1.93

2.26

1.93

2.26

2.24

2.22

2.26

2.24

2.22

2.93

2.93

3.43

4.02

S1

0.35

0.47

0.47

0.47

0.47

0.55

0.59

0.47

0.55

0.59

0.67

0.67

0.75

0.79

S2

0.08

0.10

0.10

0.10

0.10

0.12

0.12

0.10

0.12

0.12

0.10

0.10

0.20

0.20

U

0.24

0.39

0.39

0.39

0.39

0.47

0.24

0.39

0.47

0.24

0.20

0.20

0.20

0.24

V

0.35 (4) 0.35 (4) 0.43 (4) 0.35 (4) 0.43 (4) 0.51 (4) 0.51 (4) 0.43 (4) 0.51 (4) 0.51 (4) 0.59 (8) 0.59 (8) 0.59 (8) 0.75 (8)

V1

M6x9 (4x)

M8x12 (4x)

M8x15 (8x)

M8x12 M8x15 (4x) (8x)

M8x18 M10x20 M8x15 M8x18 M10x20 M12x21 M12x21 M12x24 M14x30 (8x) (8x) (8x) (8x) (8x) (8x) (8x) (8x) (8x)

V2

M4x10 M4x10

M4x10

M6x15 M6x15

M6x15 M6x15

M8x20 M8x20

M8x20 M8x20

M8x20 M8x20 M8x20

Y1

4.13

4.13

4.13

4.72

4.72

4.72

4.72

5.51

5.51

5.51

5.51

5.51

7.87

7.87

Z

0.39

0.39

0.43

0.39

0.43

0.55

0.55

0.43

0.55

0.55

0.63

0.63

0.71

0.79

# = 5.39 (Bolted feet) or 5.51 (Integral feet) **= 90° for RS28 or 45° other sizes - Motor dimensions (X, Y, Z1) refer to manufacturer’s catalogue - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 35 -

Worm Gearboxes - Series RS - RT Dimensions

RS / RS

Two-stage worm

S

I

D

FL

PC

- 36 -

RS

Worm Gearboxes - Series RS - RT Two-stage worm

RS / RS

1st RS

Dimensions

28/

40/

50/110

60/130

70/150

7.60

9.84

11.26

13.23

5.51

7.87

9.25

10.24

8.70

9.92

13.11

15.75

17.87

5.35

#

6.61

7.87

9.06

9.84

3.90

4.37

4.57

5.51

6.38

7.48

8.27

1.61

1.93

2.36

2.36

2.40

3.05

3.54

4.13

0.625

0.75

1.0

1.125

1.25

1.375

1.625

1.75

2.0

14

18 19 20

24 25

25

25 28 30

32 35

42

48

55

D2

9

9

9

9

11

11

14

19

19

E

1.34

1.97

2.40

2.76

3.15

3.86

4.92

5.63

6.61

F

2.76

5.51

6.30

7.09

7.87

7.87

9.84

11.81

13.78

F1

0.22

0.28

0.35

0.43

0.43

0.51

0.55

0.59

0.75

G

1.57

3.74

4.33

4.53

5.12

5.12

7.09

9.06

9.84

G1

1.65

2.36

2.76

2.76

3.15

4.33

5.12

7.09

7.09

H

2.05

2.80

3.35

3.94

4.53

5.31

6.77

7.87

9.06

H1

1.85

2.64

3.07

3.62

4.17

4.61

6.34

7.87

8.82

H2

0.35

0.59

0.69

0.85

0.75

1.04

0.98

1.00

1.50

H3

1.57

1.57

1.57

1.57

1.97

1.97

2.36

2.83

3.39

H4

1.57

1.97

2.36

2.83

3.39

4.06

5.47

6.26

7.44

H5

1.34

1.34

1.34

1.34

1.97

1.97

2.40

2.76

3.15

H6

1.85

1.85

1.85

1.85

2.64

2.64

3.07

3.62

4.17

I

1.10

1.57

1.97

2.36

2.76

3.35

4.33

5.12

5.91

I2

1.10

1.10

1.10

1.10

1.57

1.57

1.97

2.36

2.76

K

3.92

4.57

5.45

5.75

7.17

7.83

9.69

9.69

11.81

K1

2.26

2.26

2.26

2.26

2.78

2.78

3.27

3.66

4.61

L

0.79

0.79

0.79

0.79

0.91

0.91

1.18

1.57

1.57

M

1.97

1.97

1.97

1.97

2.56

2.56

2.95

3.43

4.33

M1

0.71

0.84

1.12

1.25

1.37

1.52

1.80

1.93

2.27

M2

0.40

0.40

0.40

0.40

0.49

0.49

0.63

0.89

0.89

N1

0.19

0.19

0.25

0.25

0.25

0.31

0.38

0.38

0.50

N2

0.12

0.12

0.12

0.12

0.16

0.16

0.20

0.24

0.24

P

1.93

3.23

3.60

4.57

4.37

3.94

5.91

5.91

6.30

P1

2.64

3.70

3.94

4.02

4.65

5.91

7.87

9.21

9.84

P2

0.75

1.61

1.67

2.20

2.01

1.54

2.85

2.36

2.17

R

2.20

4.53

5.12

5.91

6.50

6.50

8.46

10.43

11.81

R1

2.20

3.27

3.35

3.35

3.94

5.12

6.50

8.46

8.46

S

1.26

1.50

1.93

2.26

2.24

2.22

2.93

3.43

4.02

S1

0.24

0.35

0.47

0.47

0.55

0.59

0.67

0.75

0.79

S2

-0.12

0.08

0.10

0.10

0.12

0.12

0.10

0.20

0.20

S3

1.18

1.18

1.18

1.18

1.61

1.61

1.93

2.36

2.36

U

0.16

0.24

0.39

0.39

0.47

0.24

0.20

0.20

0.24

V

0.24 (4x)

0.35 (4x)

0.35 (4x)

0.43 (4x)

0.51 (4x)

0.51 (4x)

0.59 (8x)

0.59 (8x)

0.75 (8x)

V1

M6x6 (4x)

M6x9 (4x)

M8x12 (4x)

M8x15 (8x)

V2

M4x10

M4x10

M4x10

M4x10

M4x10

M4x10

M6x15

M8x20

M8x20

Y1

3.15

3.15

3.15

3.54

4.53

4.53

4.33

7.09

7.87

Z

0.24

0.39

0.39

0.43

0.55

0.55

0.63

0.71

0.79

28

40

50

60

70

85

A

2.76

3.94

4.72

5.43

6.22

A1

2.05

2.76

3.35

3.74

4.72

AA

3.90

5.43

6.42

7.56

B

3.07

4.02

4.69

B1

2.60

3.31

C

1.18

D

2nd RS

# = 5.39 (Bolted feet) or 5.51 (Integral feet) **= 90° for RS28 or 45° other sizes - Motor dimensions refer to manufacturer’s catalogue - Not binding dimensions, for reference only

M8x18 (8x) M10x20 (8x) M12x21 (8x) M12x24 (8x) M14x30 (8x)

- Dimensions: inches (black) and mm (green)

- 37 -

Worm Gearboxes - Series RS - RT Dimensions

RS

Alternative mountings

SA

IA

FA - FB - FR

PA - PB

- 38 -

DA

Worm Gearboxes - Series RS - RT Alternative mountings

RS

RS

Dimensions

28

40

50

60

70

85

110

130

150

A1

---

2.05

2.48

---

---

5.51

---

---

---

B1

---

3.19

3.88

---

---

5.75

---

---

---

F1

---

0.33

0.34

---

---

0.43

---

---

---

H

---

2.84

3.23

---

---

5.59

---

---

---

SA – IA - DA

FA F

3.15

4.13

4.92

6.50

6.50

---

---

---

---

G

1.97

2.36

2.76

4.33

4.53

---

---

---

---

P

1.99

2.72

3.66

3.54

4.57

---

---

---

---

R

2.68

3.43

3.54

5.12

5.91

---

---

---

---

U

0.14

0.20

0.20

0.39

0.18

---

---

---

---

V

0.26 (4x)

0.35 (4x)

0.43 (4x)

0.41 (4x)

0.43 (4x)

---

---

---

---

Z

0.28

0.31

0.39

0.59

0.39

---

---

---

---

F

---

4.72

---

7.09

---

8.27

10.63

---

---

G

---

3.15

---

4.53

---

5.98

6.69

---

---

P

---

2.44

---

3.39

---

4.70

5.18

---

---

R

---

3.94

---

5.91

---

6.93

9.06

---

---

U

---

0.16

---

0.14

---

0.20

0.20

---

---

V

---

0.35 (4x)

---

0.43 (4x)

---

0.43 (4x)

0.52 (4x)

---

---

Z

---

0.35

---

0.47

---

0.55

0.71

---

---

FB

FR F

---

---

---

---

6.30

---

---

---

---

G

---

---

---

---

4.33

---

---

---

---

P

---

---

---

---

3.33

---

---

---

---

R

---

---

---

---

5.12

---

---

---

---

U

---

---

---

---

0.18

---

---

---

---

V

---

---

---

---

0.43 (4x)

---

---

---

---

Z

---

---

---

---

0.55

---

---

---

---

G1

---

1.97

2.68

2.95

3.54

---

---

---

---

PA P1

---

3.74

4.33

4.09

4.92

---

---

---

---

R1

---

2.56

3.70

3.54

4.33

---

---

---

---

S

---

1.50

1.93

1.87

2.17

---

---

---

---

S2

---

0.08

0.10

0.22

0.12

---

---

---

---

V1

---

M6x8 (4x)

---

---

---

---

G1

---

---

2.36

---

2.76

---

---

---

---

P1

---

---

4.33

---

4.57

---

---

---

---

R1

---

---

2.95

---

3.35

---

---

---

---

S

---

---

1.93

---

2.64

---

---

---

---

S2

---

---

0.10

---

0.16

---

---

---

---

V1

---

---

M6x12.5 (4x)

---

M8x14 (4x)

---

---

---

---

M6x12.5 (4x) M8x14 (4x) M8x14 (4x)

PB

* = 45° standard or 90° on demand - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 39 -

Worm Gearboxes - Series RS - RT Dimensions

RS

Accessories

AS Solid single output shaft

ASC Safety cap for AS

AD Solid double output shaft

BR Torque arm

SL Speed Limiter

BR (plain plate)

BRV (with Vulkollan bush)

TL Torque Limiter

TLE (external)

TLI (internal)

TLI LUBRICATION

VB NDE wormshaft extension

Size 28 40 50 60 70 85 110

- 40 -

US qt 0.04 0.10 0.14 0.31 0.48 0.79 2.38

litres 0.04 0.10 0.13 0.30 0.45 0.75 2.25

Worm Gearboxes - Series RS - RT Accessories

RS

RS

Dimensions

28

40

50

60

70

85

110

130

150

AS &

A2

2.28

3.16

3.74

4.61

4.61

4.69

6.02

6.97

8.15

AD

B2

0.08

0.39

0.39

0.39

0.39

0.39

0.39

0.79

0.79

C

1.18

1.61

1.93

2.36

2.36

2.40

3.05

3.54

4.13

C2

1.375

1.57

1.97

2.36

2.36

2.76

3.15

3.54

3.94

D5

0.625

0.75

1.0

1.125

1.25

1.375

1.625

1.75

2.0

14

19 18

24 25

25

28 30

32 35

42

48

55

E

0.82

0.98

1.25

1.37

1.49

1.69

1.95

2.28

2.48

L6

1.42

1.97

2.37

2.76

2.76

3.15

3.54

4.33

4.33

M5

0..70

0.83

1.10

1.23

1.36

1.51

1.79

1.91

2.21

N5

3/16

3/16

1/4

1/4

1/4

5/16

3/8

3/8

1/2

V5

1/4”-20

1/4”-20

3/8”-16

3/8”-16

1/2”-13

1/2”-13

5/8”-11

5/8”-11

3/4”-10

E3

1.65

2.17

2.44

2.44

2.83

3.54

4.72

---

---

L7

1.42

1.91

2.19

2.70

2.64

3.03

3.35

---

---

S

1.08

1.52

1.83

2.24

2.24

2.64

2.91

---

---

BR &

A4

5.26

6.61

7.28

9.06

9.45

12.32

15.28

18.31

20.67

BRV

C4

1.32

1.69

2.36

1.97

2.36

2.95

3.94

4.72

4.92

F4

0.41

0.41

0.41

0.41

0.41

0.81

0.81

1.02

1.02

F5

0.39

0.39

0.39

0.39

0.39

0.79

0.79

0.98

0.98

F6

0.28

0.28

0.35

0.35

0.35

0.43

0.51

0.51

0.59

G4

1.65

2.36

2.76

2.76

3.15

4.33

5.12

7.09

7.09

I4

3.15

3.54

3.94

5.91

5.91

7.87

9.84

11.81

13.78

R4

2.20

2.95

3.35

3.35

3.94

5.12

6.50

8.46

8.46

S4

0.16

0.16

0.16

0.24

0.24

0.24

0.24

0.24

0.24

S5

0.59

0.59

0.59

0.79

0.79

0.98

0.98

1.18

1.18

L5

3.82

4.49

5.08

5.39

5.24

5.24

5.94

---

---

P1

2.64

3.94

4.33

4.02

4.72

5.91

7.87

---

---

S

1.26

1.50

1.93

2.26

2.24

2.22

2.93

---

---

D6

2.05

2.76

2.76

2.76

3.15

3.94

3.94

---

---

E1

0.39

0.47

0.47

0.59

0.55

0.75

0.94

---

---

E2

1.10

1.46

1.22

1.57

1.81

2.24

2.80

---

---

L3

1.18

1.57

1.97

1.97

2.36

2.76

3.15

---

---

L4

3.70

4.57

4.65

5.04

5.75

6.61

7.91

---

---

M6

2.76

3.66

4.37

4.92

5.28

5.91

7.13

---

---

ASC

SL

TLE

TLI

VB

D

14

18

24

25

28

32

42

---

---

D2

0.56 x 0.79

0.77 x 0.81

0.97 x 1.10

1.00 x 1.02

1.12 x 0.87

1.28 x 1.06

1.67 x 1.52

---

---

D3

1.57

2.20

2.80

2.80

3.15

3.54

4.92

---

---

L

1.77

2.42

3.03

3.41

3.50

3.70

4.43

---

---

M1

0.61*

0.86

1.07

1.07*

1.23

1.39

1.78

---

---

N1

0.20

0.24

0.31

0.31

0.31

0.39

0.47

---

---

D9

9

11

14

19

19

24

28

38

42

L8

0.79

0.91

1.18

1.57

1.57

1.97

2.36

3.15

3.94

M8

1.69

2.17

2.56

3.03

3.5

4.19

5.71

6.54

7.68

M9

0.40

0.49

0.63

0.89

0.89

1.06

1.22

1.61

1.77

N9

0.12

0.16

0.20

0.24

0.24

0.31

0.31

1.50

1.65

V8

M4x10

M4x10

M6x15

M8x20

M8x20

M8x20

M8x20

M10x22

M12x25

* = Undersized key - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 41 -

Worm Gearboxes - Series RS - RT Dimensions

RT

Single-stage worm

B3

F, [FV], {FL}

RT

- 42 -

Worm Gearboxes - Series RS - RT Single-stage worm

RT

RT

Dimensions

28

40

50

60

70

85

110

A

3.15

3.94

4.72

5.67

6.77

8.11

10.04

A1

2.13

2.76

3.15

3.94

4.72

5.51

6.69

AA

3.82

4.78

5.67

6.85

8.07

9.37

11.61

AA1

2.80

3.60

4.09

5.12

6.02

6.77

8.27

B

2.09

2.80

3.35

3.94

4.41

5.12

5.67

B1

1.73

2.36

2.76

3.35

3.54

3.94

4.53

C

1.18

1.61

1.93

2.36

2.36

2.40

3.05

D

0.625

0.75

1.0

1.125

1.25

1.375

1.625

14

42

18 19 20

24 25

25

25 28 30

32 35

D2 F

9

11

14

19

19

24

28

3.15

4.33

4.92

7.09

7.87

8.27

10.63

F1

0.28

0.28

0.35

0.35

0.43

0.51

0.59

G

1.97

2.36

2.76

4.53

5.12

5.98

6.69

G1

2.17

2.36

2.76

3.15

3.74

4.33

5.12

H

1.57

1.97

2.36

2.83

3.39

4.06

5.02

H1

2.24

2.81

3.31

4.02

4.69

5.31

6.59

H2

0.51

0.59

0.79

0.87

1.02

1.30

1.67

I

1.10

1.57

1.97

2.36

2.76

3.35

4.33

K

2.60

3.27

3.82

4.06

4.96

6.30

5.94

L

0.79

0.91

1.18

1.57

1.57

1.97

2.36

M

1.97

2.56

2.95

3.43

4.33

4.86

5.75

M1

0.71

0.84

1.12

1.25

1.37

1.52

1.80

M2

0.40

0.49

0.63

0.89

0.89

1.06

1.22

N1

0.19

0.19

0.25

0.25

0.25

0.31

0.38

N2

0.12

0.16

0.20

0.24

0.24

0.31

0.31

O

1.45

2.04

2.36

2.75

2.75

3.14

3.54

O1

0.09

0.13

0.13

0.18

0.18

0.19

0.23

P

2.09

2.72

3.66

3.39

4.37

4.37

5.16

P1

2.95

3.39

3.94

4.33

5.12

6.30

7.87

P2

0.91

1.10

1.73

0.98

2.01

1.97

2.11

Q

30°

60°

55°

60°

60°

60°

60°

R

2.68

3.43

3.54

5.93

6.50

6.89

9.06

R1

2.56

2.95

3.35

3.74

4.53

5.12

6.50

S

1.08

1.52

1.83

2.24

2.24

2.64

2.91

S1

0.24

0.28

0.31

0.39

0.43

0.55

0.51

S2

0.10

0.10

0.12

0.12

0.12

0.12

0.14

U

0.39

0.16

0.20

0.26

0.47

0.24

0.20

V

0.28

0.35

0.43

0.43

0.51

0.51

0.55

V1

M6x10 (4x)

M6x8.5 (4x)

M8x10 (4x)

M8x16 (8x)

M8x16 (8x)

M10x18 (8x)

M10x21 (8x)

V2

M4x10

M4x10

M6x15

M8x20

M8x20

M8x20

M8x20

Y1

1.85

2.40

2.75

3.14

3.34

3.93

4.17

Y2

M5x8.5 (6x)

M5x10 (6x)

M6x10 (6x)

M6x12 (6x)

M8x16 (6x)

M8x15 (6x)

M8x15.5 (6x)

Z

0.28

0.23

0.39

0.39

0.55

0.63

0.71

Z2

0.51

0.51

0.52 - 0.73

0.55 - 0.59

0.61 - 0.69

0.61 - 0.73

0.71-0.79

- RS input dimensions M, O, O1, Q, Y1, Y2 also apply to SRS input - Motor dimensions (X, Y, Z1) refer to manufacturer’s catalogue - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 43 -

Worm Gearboxes - Series RS - RT Dimensions

TA

Helical / worm

B3

F, [FV], {FL}

TA

- 44 -

Worm Gearboxes - Series RS - RT Co Helical / worm

TA

TA

63 (IEC input only)

Dimensions

71 (IEC input only)

80 (IEC input only)

100 *

RT

40

50

60

50

60

70

85

60

70

85

110

110

A

3.94

4.72

5.67

4.72

5.67

6.77

8.11

5.67

6.77

8.11

10.04

10.04

A1

2.76

3.15

3.94

3.15

3.94

4.72

5.51

3.94

4.72

5.51

6.69

6.69

AA

4.78

5.67

6.85

5.67

6.85

8.07

9.37

6.85

8.07

9.37

11.61

11.61

AA1

3.60

4.09

5.12

4.09

5.12

6.02

6.77

5.12

6.02

6.77

8.27

8.27

B

2.80

3.35

3.94

3.35

3.94

4.41

5.12

3.94

4.41

5.12

5.67

5.67

B1

2.36

2.76

3.35

2.76

3.35

3.54

3.94

3.35

3.54

3.94

4.53

4.53

C

1.61

1.93

2.36

1.93

2.36

2.36

2.40

2.36

2.36

2.40

3.05

3.05

D

0.625

1.0

1.125

1.0

1.125

1.25

1.375

1.125

1.25

1.375

1.625

1.625

18 19 20

24 25

25

24 25

25

25 28 30

32 35

25

25 28 30

32 35

42

42

D2

11

11

11

14

14

14

14

19

19

19

19

24

F

4.33

4.92

7.09

4.92

7.09

7.87

8.27

7.09

7.87

8.27

10.63

10.63

F1

0.28

0.35

0.35

0.35

0.35

0.43

0.51

0.35

0.43

0.51

0.59

0.59

G

2.36

2.76

4.53

2.76

4.53

5.12

5.98

4.53

5.12

5.98

6.69

6.69

G1

2.36

2.76

3.15

2.76

3.15

3.74

4.33

3.15

3.74

4.33

5.12

5.12

H

1.97

2.36

2.83

2.36

2.83

3.39

4.06

2.83

3.39

4.06

5.02

5.02

H1

2.81

3.31

4.02

3.31

4.02

4.69

5.31

4.02

4.69

5.31

6.59

6.59

H2

0.59

0.79

0.87

0.79

0.87

1.02

1.30

0.87

1.02

1.30

1.67

1.67

I

1.57

1.97

2.36

1.97

2.36

2.76

3.35

2.36

2.76

3.35

4.33

4.33

I1

1.26

1.26

1.26

1.57

1.57

1.57

1.57

1.97

1.97

1.97

1.97

1.97

K

6.04

6.73

6.97

6.81

7.20

8.23

8.82

8.15

9.15

9.86

10.41

12.91

L

0.91

0.91

0.91

1.18

1.18

1.18

1.18

1.57

1.57

1.57

1.57

1.97

M1

0.71

1.12

1.25

1.12

1.25

1.37

1.52

1.25

1.37

1.52

1.80

1.80

M2

0.49

0.49

0.49

0.63

0.63

0.63

0.63

0.89

0.89

0.89

0.89

1.06

N1

0.19

0.25

0.25

0.25

0.25

0.25

0.31

0.25

0.25

0.31

0.38

0.38

N2

0.16

0.16

0.16

0.20

0.20

0.20

0.20

0.24

0.24

0.24

0.24

0.31

P

2.72

3.66

3.39

3.66

3.39

4.37

4.37

3.39

4.37

4.37

5.16

5.16

P1

3.39

3.94

4.33

3.94

4.33

5.12

6.30

4.33

5.12

6.30

7.87

7.87

P2

1.10

1.73

0.98

1.73

0.98

2.01

1.97

0.98

2.01

1.97

2.11

2.11

R

3.43

3.54

5.93

3.54

5.93

6.50

6.89

5.93

6.50

6.89

9.06

9.06

R1

2.95

3.35

3.74

3.35

3.74

4.53

5.12

3.74

4.53

5.12

6.50

6.50

S

1.52

1.83

2.24

1.83

2.24

2.24

2.64

2.24

2.24

2.64

2.91

2.91

S1

0.28

0.31

0.39

0.31

0.39

0.43

0.55

0.39

0.43

0.55

0.51

0.51

S2

0.10

0.12

0.12

0.12

0.12

0.12

0.12

0.12

0.12

0.12

0.14

0.14

U

0.16

0.20

0.26

0.20

0.26

0.47

0.24

0.26

0.47

0.24

0.20

0.20

V V1

0.35 0.43 0.43 0.43 0.43 0.51 0.51 0.43 0.51 0.51 0.55 0.55 M6x8 (4) M8x10 (4) M8x16 (8) M8x10 (4) M8x16 (8) M8x16 (8) M10x18 (8) M8x16 (8) M8x16 (8) M10x18 (8) M10x21 (8) M10x21 (8)

V3

M4 x 10

M4 x 10

M4 x 10

M6 x 15

M6 x 15

M6 x 15

M6 x 15

M8 x 20

M8 x 20

M8 x 20

Y1

4.13

4.13

4.13

4.72

4.72

4.72

4.72

5.51

5.51

5.51

5.51

5.51

Z

0.24

0.39

0.39

0.39

0.39

0.55

0.63

0.39

0.55

0.63

0.71

0.71

Z2

0.51

0.51

0.51

0.51

0.51

0.51

0.51

0.55

0.55

0.55

0.55

0.55

* IEC input only ** = 90° for RT28 or 45° other sizes - Motor dimensions (X, Y, Z1) refer to manufacturer’s catalogue - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 45 -

M8 x 20 M8 x 20

Worm Gearboxes - Series RS - RT Dimensions

RT / RT

Two-stage worm

B3

F, [FV], {FL}

RT

- 46 -

Worm Gearboxes - Series RS - RT Co Two-stage worm

RT / RT

1st RT 2nd RT

Dimensions

28 /

40 /

50 /

28

40

50

60

70

85

110

A

3.15

3.94

4.72

5.67

6.77

8.11

10.04

A1

2.13

2.76

3.15

3.94

4.72

5.51

6.69

AA

3.82

4.78

5.67

6.85

8.07

9.37

11.61

AA1

2.80

3.60

4.09

5.12

6.02

6.77

8.27

B

2.09

2.80

3.35

3.94

4.41

5.12

5.67

B1

1.73

2.36

2.76

3.35

3.54

3.94

4.53

C

1.18

1.61

1.93

2.36

2.36

2.40

3.05

D

0.625

0.75

1.0

1.125

1.25

1.375

1.625

14

18 19 20

24 25

25

25 28 30

32 35

42

D2

9

9

9

9

11

11

14

F

3.15

4.33

4.92

7.09

7.87

8.27

10.63

F1

0.28

0.28

0.35

0.35

0.43

0.51

0.59

G

1.97

2.36

2.76

4.53

5.12

5.98

6.69

G1

2.17

2.36

2.76

3.15

3.74

4.33

5.12

H

1.57

1.97

2.36

2.83

3.39

4.06

5.02

H1

2.24

2.81

3.31

4.02

4.69

5.31

6.59

H2

0.51

0.59

0.79

0.87

1.02

1.30

1.67

H3

1.57

1.57

1.57

1.57

1.97

1.97

2.36

I

1.10

1.57

1.97

2.36

2.76

3.35

4.33

I1

1.10

1.10

1.10

1.10

1.57

1.57

1.97

K

3.13

3.92

5.55

5.73

5.65

7.83

7.99

K1

2.26

2.26

2.26

2.26

2.78

2.78

3.27

L

0.79

0.79

0.79

0.79

0.91

0.91

1.18

M

1.97

1.97

1.97

1.97

2.56

2.56

2.95

M1

0.71

0.84

1.12

1.25

1.37

1.52

1.80

M2

0.40

0.40

0.40

0.40

0.49

0.49

0.63

N1

0.20

0.24

0.31

0.31

0.31

0.39

0.47

N2

0.12

0.12

0.12

0.12

0.16

0.16

0.20

P

2.09

2.72

3.66

3.39

4.37

4.37

5.16

P1

2.95

3.39

3.94

4.33

5.12

6.30

7.87

P2

0.91

1.10

1.73

0.98

2.01

1.97

2.11

R

2.68

3.43

3.54

5.93

6.50

6.89

9.06

R1

2.56

2.95

3.35

3.74

4.53

5.12

6.50

S

1.08

1.52

1.83

2.24

2.24

2.64

2.91

S1

0.24

0.28

0.31

0.39

0.43

0.55

0.51

S2

0.10

0.10

0.12

0.12

0.12

0.12

0.14

S3

1.18

1.18

1.18

1.18

1.61

1.61

1.93

U

0.39

0.16

0.20

0.26

0.47

0.24

0.20

V

0.28

0.35

0.43

0.43

0.51

0.51

0.55

V1

M6x10 (4x)

M6x8,5 (4x)

M8x10 (4x)

M8x16 (8x)

M8x16 (8x)

M10x18 (8x)

M10x21 (8x)

V2

M4x10

M4x10

M4x10

M4x10

M4x10

M4x10

M6x15

Y1

3.15

3.54

3.54

3.54

4.72

4.72

4.72

Z

0.28

0.24

0.39

0.39

0.55

0.63

0.71

** = 90° for RT28 or 45° other sizes - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 47 -

Worm Gearboxes - Series RS - RT Dimensions

RT

Accessories

AS Solid single output shaft

ASC Safety cap for AS

AD Solid double output shaft

BT Torque arm

SL Speed Limiter

BT (plain sheet)

BTV (with Vulkollan bush)

TL Torque Limiter

TLE (external)

TLI (internal) TLI LUBRICATION

VB NDE wormshaft extension

- 48 -

Size

US qt

litres

28 40 50 60 70 85 110

0.04 0.10 0.14 0.31 0.48 0.79 2.38

0.04 0.10 0.13 0.30 0.45 0.75 2.25

Worm Gearboxes - Series RS - RT Co Accessories

RT

RT

Dimensions

28

40

50

60

70

85

110

AS & A2

2.28

3.16

3.74

4.61

4.61

4.69

6.02

AD

B2

0.08

0.39

0.39

0.39

0.39

0.39

0.39

C

1.18

1.61

1.93

2.36

2.36

2.40

3.05

C2

1.375

1.57

1.97

2.36

2.36

2.76

3.15

D5

0.625

0.75

1.0

1.125

1.25

1.375

1.625

14

19 18

24 25

25

28 30

32 35

42

E

0.82

0.98

1.25

1.37

1.49

1.69

1.95

L6

1.42

1.97

2.37

2.76

2.76

3.15

3.54

M5

0..70

0.83

1.10

1.23

1.36

1.51

1.79

N5

3/16

3/16

1/4

1/4

1/4

5/16

3/8

V5

1/4”-20

1/4”-20

3/8”-16

3/8”-16

1/2”-13

1/2”-13

5/8”-11

ASC E3

1.97

2.05

2.44

2.95

3.54

3.94

4.72

L7

1.42

1.91

2.19

2.70

2.64

3.03

3.35

S

1.08

1.52

1.83

2.24

2.24

2.64

2.91

BT & A4

5.43

6.61

7.28

9.25

11.61

12.32

15.28

BTV

C4

1.50

1.69

2.36

2.17

2.56

2.95

3.94

F4

0.41

0.41

0.41

0.41

0.41

0.81

0.81

F5

0.39

0.39

0.39

0.39

0.39

0.79

0.79

F6

0.28

0.28

0.35

0.35

0.35

0.47

0.51

G4

2.17

2.36

2.76

3.15

3.74

4.33

5.12

I4

3.15

3.94

3.94

5.91

7.87

7.87

9.84

R4

2.56

2.95

3.35

3.74

4.53

5.12

6.50

S4

0.16

0.16

0.16

0.24

0.24

0.24

0.24

S5

0.59

0.59

0.59

0.79

0.79

0.98

0.98

L5

3.78

4.45

4.84

5.24

5.24

5.47

5.91

P1

3.07

3.54

3.94

4.33

5.12

6.30

7.87

S

1.08

1.52

1.83

2.24

2.24

2.64

2.91

D6

2.05

2.76

2.76

2.76

3.15

3.94

3.94

E1

0.39

0.47

0.47

0.59

0.55

0.75

0.94

E2

1.10

1.46

1.22

1.57

1.81

2.24

2.80

L3

1.18

1.57

1.97

1.97

2.36

2.76

3.15

L4

3.70

4.57

4.65

5.04

5.75

6.61

7.91

M6

2.76

3.66

4.37

4.92

5.28

5.91

7.13

D

14

18

24

25

28

32

42

D2

0.56x0.79

0.77x0.81

0.96x1.10

1.00x1.02

1.12x0.87

1.28x1.06

1.67x1.52

D3

1.57

2.20

2.80

2.80

3.15

3.54

4.92

L

1.77

2.42

3.03

3.41

3.50

3.70

4.43

M1

0.61*

0.86

1.07

1.07*

1.23

1.39

1.78

N1

0.20

0.24

0.31

0.31

0.31

0.39

0.47

D9

9

11

14

19

19

24

28

L8

0.79

0.91

1.18

1.57

1.57

1.97

2.36

M8

1.69

2.17

2.56

3.03

3.5

4.19

5.71

M9

0.40

0.49

0.63

0.89

0.89

1.06

1.22

N9

0.12

0.16

0.20

0.24

0.24

0.31

0.31

V8

M4x10

M4x10

M6x15

M8x20

M8x20

M8x20

M8x20

SL

TLE

TLI

VB

* = Undersized key - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 49 -

Worm Gearboxes - Series RS - RT Dimensions

XA

Single-stage attachment

FXA dimensions

D

G

I

J h8

L

O

Q

U

U1

T

V

W

Z

63

14

105

1.26

70

1.18

85

3.27

0.26

M6

0.10

0.28

1.28

M5x10

71

19

120

1.57

80

1.57

100

3.54

0.22

M6

0.10

0.30

1.67

M8x20

80

24

140

1.97

95

1.95

115

4.49

0.35

M6

0.10

0.41

2.05

M8x20

100

28

200

2.48

130

2.26

165

6.97

0.41

0.41

0.10

0.47

2.36

M10x22

- FXA 63, 71 and 80 with IEC input only - FXA100 with NEMA and IEC input FXA weights

lb

US qt

litres

63

2.23

0.04

0.04

71

4.28

0.06

0.06

80

6.36

0.11

0.10

100

15.25

0.21

0.20

- Motor dimensions (X, Y, Z1) refer to manufacturer’s catalogue - Not binding dimensions, for reference only - Dimensions: inches (black) and mm (green)

- 50 -

Worm Gearboxes - Series RS - RT Co

Back driving - Reversibility - Irreversibility In case a worm gearbox is back-driven by using the worm wheel as input, efficiency is lower than forward-driving and back-drive efficiency can be reduced to zero obtaining a self-locking, or irreversible gear set. When back-driving the worm gear, internal friction tends to lock the mesh, and the bigger the applied torque the mesh friction increases proportionally augmenting the lockage at the same time. The most obvious example is during braking or slowing-down a weight where the inertial load will try to back-drive the worm shaft. A worm gear is intended as static self-locking drive when the lead angle ( is lower than the friction angle (arc tangent of friction coefficient) but tooth contact can be dynamic even when the mesh velocity is zero, as vibrations in a non-rotating gear set can induce motion in the tooth contact area. To provide a safety factor, lead angles smaller than 3 degrees are recommended for full self-locking condition, and lead angles bigger than 10 degrees for full reversibility condition, according to the below cross-table between lead angles and self-locking.

Lead angle

Examples ( lead angle from the table below):

Static self-locking & Reversibility

- FRT50 1/7    degrees &  minutes  Full reversibility - FRS60 1/20    degrees &  minutes  High reversibility

 > 20°

Full reversibility

10° <   

High reversibility

5°    10°

Good reversibility Poor static self-locking

3°    5°

Poor reversibility Good static self-locking

1°    3°

Full static self-locking

Size

Lead angle

- FRT85 1/56    degrees &  minutes  Good reversibility Poor static self-locking - FRT40 1/56    degrees &  minutes  Poor reversibility/ Good static self-locking - FRT70 1/80    degrees &  minutes  Full static self-locking

Reduction ratio 5

7

10

15

20

28

40

49

56

70

80

100

RS / RT 28



---

23°14’

16°41’

11°18’

10°23’

6°06’

5°14’

4°19’

3°03’

2°27’

2°37’

2°20’

RS / RT 40



30°57’

21°36’

16°41’

11°18’

8°31’

5°39’

4°17’

3°48’

3°25’

3°01’

2°51

2°38’

RS / RT 50



30°57’

23°52’

16°41’

11°18

8°59’

6°19’

4°31’

4°14’

3°42’

2°44’

2°51’

2°17’

RS / RT 60



36°32’

25°33’

19°0’

12°55’

11°18’

6°49’

5°42’

5°11’

3°55’

3°38’

2°51’

2°51’

RS / RT 70



34°01’

26°51’

18°38’

12°40’

11°18’

7°12’

5°42’

4°48’

4°05’

3°16’

2°51’

2°38’

RS / RT 85



34°47’

26°05’

19°09’

13°02’

11°18’

6°58’

5°52’

4°52’

4°45’

3°48’

3°14’

2°40’

RS/RT 110



---

26°22’

20°43’

14°09’

11°18’

7°04’

5°42’

4°43’

4°29’

3°54’

3°39’

2°34’

RS 130



---

26°57’

21°20’

14°06’

13°05’

7°14’

6°18’

5°18’

6°20’

4°33’

3°30’

3°40’

RS 150



---

25°33’

21°48’

16°22’

13°24’

7°35’

7°07’

5°48’

6°11’

4°17’

3°45’

3°43’

- 51 -

Worm Gearboxes - Series RS - RT Direction of rotation

RS - RT

RA - TA

RS/RS - RT/RT

- 52 -

Worm Gearboxes - Series RS - RT RS - RT - XA

RS Item

Component parts

RT

Description

Item

Description

01

Body

50B

Worm shaft “G”

81

Oil seal

04

Side cover RT

60

Bearing

82

Oil seal

04A

Side cover RS

61

Bearing

84

Oil seal RCA

07

Motor flange

62

Bearing

125

Snap ring

31

Worm wheel

63

Bearing

126

Snap ring

Worm shaft NEMA/IEC

80

Oil seal

Item

Description

50A

Item

Description

XA - Input attachment Item

Description

Item

Description

01

Body

08

Gear

18

Snap ring

02

Snap ring

10

Motor flange

19

Bearing

03

Oil seal

11

Snap ring

20

Key

04

Output shaft

12

Oil seal

21

Adapter

05

Key

13

Pinion

24

Snap ring

06

Screw

15

Bearing

07

Bearing

16

Bearing

- 53 -

Worm Gearboxes - Series RS - RT

Imperial

CONVERSION FACTORS

1 lb = 4.45 N

Metric

Mass

1N

= 0.225 lb

1 lb = 0.454 kg

&

1 kg

= 2.205 lb

1 oz = 0.028 kg

Force

1 kg

= 35.27 oz

HP (60Hz) = kW (50Hz) × 1.341 × 1.2 Power

HP (50Hz) = kW (50Hz) × 1.341

kW (50Hz)

= HP (60Hz) × 0.745 × 0.833

kW (50Hz)

= HP (50Hz) × 0.745

HP = in-lb × rpm : (63025 x eff.)

kW

= Nm × rpm / (9550 × eff.)

1 in-lb = 0.113 Nm

1 Nm

= 8.851 in-lb

1 ft-lb = 1.355 Nm

1 Nm

= 0.738 ft-lb

ft-lb = 108 × k × HP × eff. × ratio

Nm

in-lb = 63025 x HP x eff. / rpm = 9 × k × HP × eff. × ratio

= 9550 × kW × eff. / rpm

Torque

= 8000 × k × HP × eff. / output speed (where k= motor pole number, i.e. 2, 4, 6, 8) Volume

1 qt (US) = 0.946 litre

1 litre

= 1.057 qt (US)

Abstract of OPERATION AND MAINTENANCE INSTRUCTIONS (complete manual on www.varvel.com) Variable speed and reduction gearboxes are not part of the field of application of the Machinery Directive, art.1(2), and they must not be put into service until the machinery into which they are to be incorporated, has been declared in conformity with the provision of art. 4(2), annex II(B) of Machinery Directives 98/37/CEE/22.6.98 and for Italy only, of DL 459/24.7.96.

Handling

Installation

Carefully protect oil seals, coupling faces and shafts when units are re-painted. Long-term storage

Check if the unit to be installed, is properly selected to perform the required function and that its mounting position complies with the order. The nameplate reports such information. Check mounting stability to ensure the unit runs without vibrations or overloads. Running

When hoisting, use relevant housing locations or eyebolts if provided, or foot or flange holes. Never hoist on any moving part. Painting

For storage longer than 3 months, apply anti-oxidants onto shafts and machined surfaces, and protective grease on oil seal lips. Product’s Environmental Management In conformity with Environmental Certification ISO 14001, we recommend the following to dispose of our products:

The unit may be connected for clockwise or counter-clockwise rotation.

- scraped components of the units to be delivered to authorized centres for metal object collection;

The unit must be stopped as soon as defective running or unexpected noise occur, remove the faulty part or return the unit to the factory for checking.

- oils and lubricants drained from the units to be delivered to Exhausted Oil Unions;

If the faulty part is not replaced, other parts can also be affected, causing more severe damage and making the identification of initial cause more difficult. Maintenance

- packages (pallets, carton boxes, paper, plastic, etc.to lead into regeneration/recycling circuits as far as possible, by delivering separate waste classes to authorized companies

Although the units are no-load run tested in the factory before despatch, it is recommended not to run them at maximum load for the first 20-30 running hours to allow the proper running in. The gearboxes are delivered already filled with long-life synthetic oil and, in case of replacement or topping, do not mix with mineral lubricants. C-RS-RT ed01-2017 rev00 US 140917

- 54 -

ARGENTINA AUSTRALIA AUSTRIA BELARUS BELGIUM BRAZIL BULGARIA CANADA CHILE CHINA COLOMBIA COSTA RICA CROATIA CYPRUS CZECH REPUBLIC DENMARK ECUADOR EGYPT ESTONIA FINLAND FRANCE GERMANY GREECE HOLLAND HONG KONG HUNGARY ICELAND INDIA • Branch INDONESIA IRAN IRELAND ISRAEL ITALY • Headquarters KENYA KOREA (SOUTH) LEBANON LIBYA LITHUANIA MALAYSIA MAURITIUS MEXICO MOROCCO NEW ZEALAND NORWAY PAKISTAN PARAGUAY PERU POLAND PORTUGAL ROMANIA RUSSIA SAUDI ARABIA SERBIA SINGAPORE SLOVAKIA SLOVENIA SOUTH AFRICA SPAIN SWEDEN SWITZERLAND TAIWAN THAILAND TUNISIA TURKEY UKRAINE UNITED ARAB EMIRATES UNITED KINGDOM URUGUAY USA • Branch VIETNAM

India Branch:

Headquarters:

MGM-VARVEL Power Transmission Pvt Ltd

VARVEL SpA

Warehouse N. G3 and G4 ■ Ground Floor Indus Valley’s Logistic Park ■ Unit 3 Mel Ayanambakkam ■ Vellala Street Chennai - 600 095 ■ Tamil Nadu, INDIA [email protected] www.mgmvarvelindia.com

Via 2 Agosto 1980, 9 Loc. Crespellano 40053 Valsamoggia (BO) ■ Italy % +39 051 6721811 +39 051 6721825 [email protected] www.varvel.com

VARVEL USA LLC 2815 Colonnades Court Peachtree Corners, GA 30071 ■ USA % 770-217-4567 770-255-1978 [email protected] www.varvelusa.com

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Catalog RS-RT

INCH RS• RT Technology Made in Italy EN Since 1955 the Varvel Group has been making gearboxes and variators for light industry applications. Reli...

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