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Friction torque limiter SK2 series
safetywith elastic couplingspring

Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring
Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring
Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring - image - 2
Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring - image - 3
Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring - image - 4
Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring - image - 5
Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring - image - 6
Friction torque limiter - SK2 series - R + W Coupling Technology - safety / with elastic coupling / spring - image - 7
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Characteristics

Operation
friction
Other characteristics
safety, with elastic coupling, spring
Torque

Min.: 0.1 Nm
(0.073756 ft.lb)

Max.: 1,800 Nm
(1,327.611869 ft.lb)

Diameter

Min.: 3 mm
(0.12 in)

Max.: 80 mm
(3.15 in)

Description

Torque limiter with clamping hub and bellows coupling Material: Bellows: high grade stainless steel Safety system: hardened steel Clamping hubs: up to size 80 – aluminium size 150 and up – steel Temperature range: -30° C to +100° C (-22° F to +212° F) Design: Two conical clamping assemblies with six tightening screws each Safety system: spring loaded ball-detent principle Available function systems: W = Single position / automatic re-engagement (standard) D = Multi-position / automatic re-engagement G = Load holding / load blocking F = Full disengagement / manual re-engagement Service life R+W bellows couplings are fatigue resistant and wear free for an infinite service life, as long as the technical limits are not exceeded Fit clearance Overall shaft / hub clearance of 0.01 – 0.05 mm Special solutions Various materials, tolerances, dimensions and performance ratings available for custom applications on request ATEX (Optional) For use in hazardous zones 1/21 and 2/22, the torque limiter has been authorized under directive 94/9/EG and is available with certification

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.