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Safety coupling for indirect drives

Safety coupling FHW-D

With keyway

Small diameter by use of needle roller bearing

Radial space-saving and yet it meets all the requirements: FHW-D. By using a needle-camp instead of a deep groove ball bearing cluthch outer Ø is relatively small (with keyway and needle roller bearing).

Safety coupling with keyway and needle roller bearing

FHW-D - The couplings of the FHW series are spring-loaded, positive clutches with backlash-free transmission of torque. They protect the machine from mechanical overload.


  • Small diameter by use of needle roller bearing
  • Adjustable disengagement torque
  • Very low residual moment
  • Backlash-free
  • High repetition accuracy
  • Maintenance-free
  • All working parts hardened
  • Automatic re-engagement after 360°
  • Reliable (positive) and fast disengagement
  • Low mass inertia torque
  • Various options and special versions on request!


If you have any questions, our HA-CO team will be happy to advise you. Please contact us - We are looking forward to your inquiry!