Our sprag clutches consist of:
Types with suffix RS include a rubber seal in the bore of the retainers to provide a complete sealing of the clutch.Type CSK-RS is constructed with wider races to enable use of a full rubber seal for maximum protection.
Clutch types CKKN and CSKN-RS have keyways on the inner races to enable optional fitting with a key instead of press-fit to the shaft. The outer is still fitted into the housing with a heavy press fit, the bearing clearance being modified to allow for one race only having the heavy press-fit. Clutch types CKKNN have a keyway on the outer race as well as the inner, to allow assembly of the clutches with only a light interference fit. These clutches have the same build as the CKK series, with a high performance sprag assembly combined with a deep groove bearing,to provide a compact, high torque, but low cost freewheel, suitable for both overrun and backstop applications. The lack of press-fit makes them unsuitable for accurate indexing. Clutches with an RS suffix include a rubber seal in the bore of the retainers to provide complete sealing. Type CSKN-RS are constructed with wider races to enable the use of a full rubber seal for best protection.
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