This Backstop clutch is a kind of industrial machinery parts which can overrun freely in one direction of rotation. Reverse rotation is instantaneously prevented by the automatic engagement of the clutch (also called a One-way clutch or a Cam clutch).

BS-K clutch is ued in slant conveyor or bucket elevator as backstop application (Grease lubrication)

- For backstopping application only (High torque, Low speed)