1.13 year experience, 2.Certificate ISO9001.2008, 3.Material: Bearing steel, 4.Various size and type, 5.15- ... rollers tilt slightly, producing a wedging action and binding because of friction. The sprags are spring-loaded so that they lock ... , Conveyors, Overrunning, Indexing, Backstopping, Hoist load brake. one way clutch of sprag freewheels DC series for SFT brand