... size and type, Sprag Clutch BearingsSprag Clutch is a one-way freewheel clutch. It resembles a roller bearing, but instead of ... very little backlash.Applications: Automatic transmissions, Helicopters, Motorcycle, Starters, Primary drive, Conveyors, Overrunning, Indexing, Backstopping, Hoist load brake. Sprag Clutch bearing ...