CSK SERIES ONE WAY CLUTCHOverview: Type CSK are sprag type freewheels integrated into 62.. series ball bearings. It is bearing supported, shipped grease lubricated and protected against dust larger than 3mm diameter.orque transmission is ensured by a press fit assembly into a rigid outer housing with N6 tolerance, and onto a shaft with n6 tolerance●Application: Two-speed gearboxes,Rack indexing drives●Features: Compact, lightweight and operate directly on a hardened shaft.Drawn cuped outer ring●Part No: CSK8-CSK40●Mode of Transportation:1.For small weight or Urgent, goods will be sent by Express DHL/FedEX/UPS/TNT/EMS2.For max production,goods will be shipped by sea/by air.3.For max production,goods will be shipped by sea/by air.