Design:
Our zero backlash elastomer coupling corporated with our torque limiter.

Temperature range:
The temperature range is dependent on the chosen Elastomer insert.

Backlash:
Absolutely backlash-free.

Fit tolerance:
On the hub/shaft connection 0.01 to 0.05 mm.

Service life:
R+W Torque limiters are maintenance-free and have an infinite life, if the tolerances are not exceeded.

Material:
Torque limiter: high strength hardened steel with an oxidized surface.
Clamping hubs: high strength aluminum. Size 150 and up on the steel hubs.
Precision molded elastomer insert.

Non-standard application:
Custom designs available upon request.

Technical Data:

• rated torque from 1 - 1800 Nm
• shaft diameter from 4 - 90 mm

Design:
Our zero backlash elastomer coupling incorporated with our torque limter.
Available disengagement mode/Function system for all series: multi-position

Temperature range:
The temperature range is dependent on the chosen Elastomer insert.

Torsional stiffness:
Depends on the Elastomer insert.

Backlash:
Absolutely backlash-free.

Fit tolerance:
On the hub/shaft connection 0.01 to 0.05 mm.

Material:
Torque limiter: high strength hardened steel
Detent balls made of hardened steel
Clamping hubs: high strength aluminum.
Elastomer insert: precision molded, wear resistant and thermally stable polymer.

Service life:
R+W Torque limiters are maintenance-free and have an infinite life, if the tolerances are not exceeded.

Non-standard application:
Custom designs available upon request.

Speeds:
Negligible abrasion by disengagement till 200 rpm.
Higher speeds upon request.

Technical Data:

• rated torque from 9 - 200 Nm
• shaft diameter from 6 - 32 mm

Design:
Model SK1 from 1.5-10 Nm with clamping hub.
Model SK1 from 15-2,800 Nm with conical clamp.
Optional clamping hub available upon request
Model SKP with pure keyway connection.

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Service life:
These Torque Limiters are maintenance-free and have extreme service life as long as all of the ratings are not exceeded.

Material:
High-strength steel.

Optional sealed version for wash down
and foodservice application.

Backlash:
Zero backlash connection with R+W's
reliable preload design.

Technical Data - Torque Limiter SK1/SKP:

• rated torque from 15 - 2,500 Nm
• shaft diameter from 4 - 100 mm

Features Torque Limiter Model SK1:

• absolutely backlash-free and torsionally rigid
• compact, simple design
• disengagement detection achieved through high indexing ring movement
• low residual friction following disengagement
• low moment of interia
• self-adjusting
• disengagement within 1 - 3 msecs.

Design:
With a single radial clamping screw per hub.

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Backlash:
Zero backlash connection with R+W's reliable preload design.

Service life:
R+W Torque Limiters and safety couplings are
maintenance-free and have long service life if the tolerances are not exceeded.

Material:
Bellows are made from stainless steel.
Safety section: High strength hardened steel.
Hub material: up to series 80 aluminium,
from series 150 steel.

Optional sealed version for wash down and foodservice application.

Technical Data:

• rated torque from 0.1 - 1,800 Nm
• shaft diameter from 3 - 80 mm

Features Torque Limiter Model SK2:

• absolutely backlash-free and torsionally rigid (R+W reliable principle)
• easy mounting and dismounting
• adjustable settings
• electrically ant thermally insulatedCompensates for shaft misalignment
• compensation of shaft misalignments
• low moment of interia
• actuation ring moves to trigger external sensor
• disengagement within 1 - 3 msecs.

Design:
With tapered conical sleeves and jack screws for easy disassembly.

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Backlash:
Zero backlash connection with R+W's reliable preload design

Service life:
R+W Torque Limiters and safety couplings are maintenance-free.

Material:
Bellows made of stainless steel.
Safety section: high strength hardened steel.
Hub material: steel optional sealed version for wash down and foodservice application.

Technical Data:

• rated torque from 5 - 2,800 Nm
• shaft diameter from 10 - 100 mm

Features Torque Limiter Model SK3:

• actuation ring moves to trigger external sensor
• absolutely backlash-free and torsionally rigid
• adjustable settings
• low residual friction after disengagement
• low moment of interia
• disengagement within 1 - 3 msecs.

Design:
With a single radial clamping screw per hub.

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Backlash:
Zero backlash connection trough the R+W reliable preload design.

Service life:
R+W Torque Limiters are maintenance-free.

Material:
Bellows made of highly elastic stainless steel.
Safety section: High strength hardened steel.

Technical Data:

• rated torque from 0.1 - 850 Nm
• shaft diameter from 3 - 75 mm

Features Torque Limiter Model SK5:

• actuation ring moves to trigger external sensor
• absolutely backlash-free and torsionally rigid
• maintenance free
• low moment of interia
• actuation ring moves to trigger external sensor
• disengagement within 1 - 3 msecs.

Design:
With clamping hub and 1 radial screw ISO 4762
Absolutely backlash free through frictional
clamping connection

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Service life:
Maintenance free when operated within the
technical specifications.

Material:
Torque limiting portion: high-strength, hardened steel
Clamping hub: up to series 500, aluminium;
from series 800, steel

Optional sealed version for food-grade
applications

Technical Data - Torque Limiter SKN:

• rated torque from 5 - 1,800 Nm

Features Torque Limiter Model SKN:

• Absolutely backlash-free and torsionally rigid
• Compact, simple design
• Disengagement detection is achieved through indexing ring movement
• Low residual friction following disengagement
• Low moment of interia
• Precise overload protection
• Disengagement within msecs

Design:
Model SK1 from 1.5-10 Nm with clamping hub.
Model SK1 from 15-2,800 Nm with conical clamp.
Optional clamping hub available upon request
Model SKP with pure keyway connection.

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Service life:
These Torque Limiters are maintenance-free and have extreme service life as long as all of the ratings are not exceeded.

Material:
High-strength steel.

Optional sealed version for wash down
and foodservice application.

Backlash:
Zero backlash connection with R+W's
reliable preload design.

Technical Data - Torque Limiter SK1/SKP:

• rated torque from 15 - 2,500 Nm
• shaft diameter f Features Torque Limiter Model SK1:
• absolutely backlash-free and torsionally rigid
• compact, simple design
• disengagement detection achieved through high indexing ring movement
• low residual friction following disengagement
• low moment of interia
• self-adjusting
• disengagement within 1 - 3 msecs.
• rom 4 - 100 mm

Design:
Clamping hub with one ISO 4762 screw per hub. Components of compact and rigid design with backlash free interface. Misalignment compensation via torsionally rigid bellows

Temperature range:
-30 to +100° C

Service life:
These couplings are maintenance free and stable over their entire service life if technical limits are not exceeded

Function system:
W = single position engagement (standard)
D = multi position engagement every 60° (30, 45, 90° optional))

Fit tolerance:
Overall clearance between shaft and hub
0.01-0.05mm

Design/Features:

• Extremely lightweight construction
• Up to 60 % weight reduction in comparison to the standard series
• Torque rating increased by 50 %
• Good dynamic characteristics
• Spring tensioned ball-detent principle with absolutely zero backlash
• Corrosion resistant
• Very simple torque setting

Features Torque Limiter Model SL2:

• Easy to install
• Low moment of inertia
• Small space requirement
• Misalignment compensation
• Torque setting is continuously variable

Design:
Clamping hub with one ISO 4762 screw per hub. Components of compact and rigid design with backlash free interface. Misalignment compensation via elastomer insert

Temperature range:
-30 to +100° C

Service life:
These couplings are maintenance free and stable over their entire service life if technical limits are not exceeded

Function system:
W = single position engagement (standard)
D = multi position engagement every 60° (30, 45, 90° optional))

Fit tolerance:
Overall clearance between shaft and hub
0.01-0.05mm

Design/Features:

• Extremely lightweight construction
• Up to 60 % weight reduction in comparison to the standard series
• Torque rating increased by 50 %
• Good dynamic characteristics
• Spring tensioned ball-detent principle with absolutely zero backlash
• Corrosion resistant
• Very simple torque setting

Features Torque Limiter Model SLE:

• Easy to install
• Vibration damping
• Misalignment compensation
• Torque setting is continuously variable

Design:
With clamp collar and screw per ISO 4762 Components of compact and rigid design with backlash free interface

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Service life:
These couplings are maintenance free and stable over their entire service life if technical limits are not exceeded.

Function system:
W = single position engagement (standard)
D = multi position engagement every 60° (30, 45, 90° optional)

Fit tolerance:
Overall clearance between shaft and hub 0.01-0.05 mm

Design/Features:

• Extremely lightweight construction
• Up to 60 % weight reduction in comparison to the standard series
• Torque rating increased by 50 %
• Good dynamic characteristics
• Spring tensioned ball-detent principle with absolutely zero backlash
• Corrosion resistant
• Very simple torque setting

Features Torque Limiter Model SLN:

• Integral bearing for timing belt pulley or sprocket
• Compact, simple construction
• Torque setting is continuously variable
• Frictional clamp connection
• Simple to install

Design:
Keyway per DIN 6885 or ANSI standard dimensions Components of compact and rigid design with backlash free interface

Temperature range:
-30 to +120° C (3.6 F to 270 F)

Service life:
These couplings are maintenance free and stable
over their entire service life if technical limits are
not exceeded

Function system:
W = single position engagement (standard)
D = multi position engagement every 60° (30, 45, 90° optional))

Fit tolerance:
Overall clearance between shaft and hub
0.01-0.05mm

Design/Features:

• Extremely lightweight construction
• Up to 60 % weight reduction in comparison to the standard series
• Torque rating increased by 50 %
• Good dynamic characteristics
• Spring tensioned ball-detent principle with absolutely zero backlash
• Corrosion resistant
• Very simple torque setting

Features Torque Limiter Model SLP:

• Integral bearing for timing belt pulley or sprocket
• Compact, simple construction
• Torque setting is continuously variable
• Simple keyed connection

Design:

Two part assembly for installation into prefabricated coupling components.
Part 1: Engagement receptacle
Part 2: Module with self-contained, spring loaded plunger
The spring tension is adjustable in the field.
The set force is visible on the adjustment scale.

Design:
Drive side: Coupling hub with keyway connection or spline profile
Output side: Adapter fl ange with 12x fastening threads. The bearing is Integrated.
Modules: Evenly spread on the circumference. Adjustable within the adjustment range.

Temperature range:
-30 to +120° C

Service life:
Couplings are maintenance free and have extreme service life as long as the performance limits are not exceeded.

Material:
High strength hardened steel (oxidized surface)

Fit tolerance::
Tolerance between hub and shaft 0,02-0,07 mm

Technical Data:

• rated torque from 1.000 - 160.000 Nm

Design:
with keyway or spline connection. Elastomer segments for misalignment compensation. Torque modules evenly spaced around the circumference. Field adjustable within the selected range.p

Service life:
Infinite life and maintenance free when operated within the technical specifications.

Material:
Torque limiter: High-strength, nitro-carburized steel
Elastomer segments: precision molded, wear resistant rubber compound (75-80 Shore A)
Elastomer coupling: coupling hubs made from high-strength, cast steel (coated)

Fit tolerance::
Tolerance between hub and shaft 0.02 – 0.07 mm.

Balancing:
Standard balancing G16 (higher speeds upon request)

Technical Data:

• rated torque from 1.000 - 160.000 Nm

Design:
with keyway or spline connection. Gear coupling for misalignment compensation. Torque modules evenly spaced around the circumference. Field adjustable within the selected range.

Temperature range:
-30 to +120° C

Balancing:
Standard balancing G16 (higher speeds upon request)

Service life:
Infinite life and maintenance free when operated within the technical specifications.

Material:
Torque limiter: High-strength, nitro-carburized steel
Gear coupling ends: Extremely wear resistant tooth geometry made from high-strength alloyed steel (surface nitro-carburized)

Fit tolerance::
Tolerance between hub and shaft 0.02-0.07 mm

Technical Data:

• rated torque from 1,000 - 160,000 Nm

Design:
Drive side: Coupling hub with tapered conical clamping connection
Driven side: Output flange with 12 x fastening threads and integral bearings
Modules :Evenly spaced around the circumference. Field adjustable within the selected range.

Temperature range:
-30 to +120° C

Service life:
Infinite life and maintenance free when operated within the technical specifications.

Material:
High-strength, nitro-carburized steel

Fit tolerance::
Tolerance between hub and shaft 0,02-0,07 mm

Technical Data:

• rated torque from 1.000 - 160.000 Nm