CSK20P-2RS One-Way Bearing Sealed Sprag Freewheel Clutch With One Key-way on the inner RingCSK20P 2RS One way clutch Sealed Sprag Freewheel Bearing With One Key way on the inner Ring CSK20P 2RS One way clutch Sealed Bearing, Bearing inner diameter is 20mm, outer diameter is 47mm and width is 19mm. CSK20P 2RS Bearing One Way Clutch Bearing Inner Diameter: 20mm Outer Diameter: 47mm Width: 19mm Torque: 1. 3 Ncm One Key way on the inner Ring Quantity: 1 Bearing Dimension Torque Ncm d D W 20mm 47mm 19mm 1. 3