One-Way Clutch Products

Sprag-Type One-Way Clutch feature is that the rotation is limited to only one direction rotation by the parts called Sprag mounted between outer and inner rings. The Sprag-Type One-Way Clutch is used on a wide range of applications e.g. transmission in automobiles and helicopters due to excellent engagement performance and the less drag torque.

Roller-Type One-Way Clutch achieves sound torque transmission by unique-formed cams fitting onto the inner diameter of outer ring. Roller-Type One-Way Clutch is used in mainly automatic transmission in automobile where the less drag torque is required.

Cam-Type One-Way Clutch uses uniquely formed cams and springs feature that makes it highly resistant to impact force and vibration . Cam-Type One-Way Clutch is applied mainly in the engine starter device in motorcycle, ATV/UTV(Utility Task Vehicle).

Tandem One-Way Clutch has a feature where 2x Input and 1x Output is used as a very small automatic select device in an oil pump input route in Hybrid vehicle. The One-Way Clutch over run function can automatically select the input route.

Pawl-Type One-Way is a ratcheting clutch that can be used under no lubrication condition. Pawl-Type One-Way Clutch achieves a high torque transmitting capacity and is compact since it has the feature of free over run without contacting.

It has an integrated structure that consists of OWC, mating parts (outer race, inner race) and NSK Bearings with high performance.

It can efficiently utilize OWC functions (over run, back stop, index) in industrial machinery.