BB25-2K-K One-Way Bearing Shield Sprag Freewheel Clutch - One inner Ring Key-wayBB25 2K K One Way Clutch Bearing Shielded Sprag with Keyway 25mm x 52mm x 20mm The BB25 2K K is a compact one way sprag clutch bearing with a keyway on the inner ring for secure shaft engagement. Shielded for added protection, its perfect for light duty motion control in systems like feeders, rollers, or compact conveyors. Type: One way sprag clutch bearing Inner diameter: 25mm Outer diameter: 52mm Width: 20mm One keyway on inner ring Torque: 2 Ncm