... 4.Various size and type, Sprag Clutch BearingsSprag Clutch is a one-way freewheel clutch. It resembles a roller bearing, but instead of cylindrical rollers, non ... in the opposite direction, the rollers tilt slightly, producing a wedging action and binding because of friction. The sprags are ... drive, Conveyors, Overrunning, Indexing, Backstopping, Hoist load brake. Sprag Clutch bearing one-way freewheel ...