NSS30 One-Way 30x62x16 Bearing Support Required Backstop ClutchNSS30 One Way Clutch One Clutch NSS30 is a one way clutch, that is used for Overrunning, Indexing and Backstopping, this type is non bearing supported, this is exactly the same size as any 6206 ball bearing, you will need one of the 6206 beairngs to support it, One way Bearing Sprag Clutch Freewheel and also called as Backstops. NSS30 is used in any application that requires one direction rotation, such as mining, hydraulic, textile, printing and