Miniaturised unidirectional bearing


The OneWay system is a radial ball clutch product. Coupling is by friction shoe binding.

The OneWay unidirectional bearing is generally used in the automatic winding system and serves as the reverser.

Patent number: EP1134626A1


  • Miniaturised free wheel system
  • Occupies very little space
  • Minimum dead angle
  • Withstands high loads
  • Limited play
  • Lubrication-free system


  • Product data sheet – OneWay
  • SSC Publication – OneWay

Everything to develop your miniaturised unidirectional bearing

Do you want to develop your solution adapted to the special features of your construction based on the OneWay bearing? To follow our design process, you can go to the next step and view the references for our miniaturised unidirectional bearings. 

A team listening to your concerns

Our customers’ quest to improve the performance of traditional reversers used in watchmaking has driven our engineers to innovate and develop the OneWay unidirectional bearing.

Its use is now widespread and its reliability has been proven over more than ten years.

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