Friction couplings protects a mechanical drive from damage when the permissible torque is exceeded (safety clutch). The slipping torque is steplessly adjustable. These couplings are available with discs or helical springs.

The gear shown is not included in the delivery, but can be supplied on request.

Technical data - Friction coupling

Technical data


RKSS 2025

RKTS 2025

    spiral spring plate spring
max. speed min-¹ 50 40
torque adjustable Ncm max.30 max.120
moment of inertia gcm2 8,4 9,9
max. clamping torque Ncm 80 80
temperature range °C -10/ +50 -10/ +50
weight appr. g 23 25
material flange 9SMnPb28 black finished  
clutch lining nylatron    

Bore size

d RKSS 2025 RKTS 2025
4 x x
5 x x
6 x x


To download the step file, please select the required bore combination.

Technical drawings