NFS45 One-Way 45x100x36mm Bearing Support Required Backstop ClutchNFS45 One Way Clutch 45mm x 100mm x 36mm One Bearing NFS45 is a one way clutch, One way Sprag Clutch Freewheel and also called as Backstops, NFS45 is used in any applications that requires one direction rotation, such as mining, hydraulic, textile, printing and washing machines, conveyor systems that carry products to a higher level should not be reversed because of gravity during any power shortage. NFS45 One Way Clutch Bearing One Way Clutch