CSK35P One-Way Bearing Sprag Freewheel Clutch Bearing - One inner Ring Key-wayCSK35P One Way Clutch Bearing with Keyway 35mm x 72mm x 22mm Sprag Freewheel Design The CSK35P is a one way clutch bearing with a built in keyway on the inner ring, designed to transmit torque in one direction and allow free rotation in the other. It's ideal for backstopping, overrunning, and indexing in conveyors, motors, and industrial automation systems. 1 clutch bearing per pack Size: 35mm ID x 72mm OD x 22mm width Inner ring features one keyway