BB35-2K-K One-Way Bearing Shield Sprag Freewheel Clutch - Key-wayBB35 2K K One Way Clutch Bearing Shielded Sprag with Keyway 35mm x 72mm x 22mm The BB35 2K K is a shielded one way clutch bearing featuring a keyway on the inner ring for secure shaft engagement. Built with a sprag design for reliable one direction rotation, its ideal for indexing, backstopping, and overrunning in mechanical systems. Type: One way sprag clutch bearing Inner diameter: 35mm Outer diameter: 72mm Width: 22mm One keyway on inner ring