BB15-2K-K One way Bearing Shield Sprag Freewheel Clutch BearingsBB15 2K K One way clutch Shield Sprag Freewheel Bearing BB15 2K K One way clutch Shield Bearing, inner diameter is 15mm, outer diameter is 35mm and width is 16mm. Item: BB15 2K K Bearing Type: One Way Clutch Bearing Inner Diameter: 15mm Outer Diameter: 35mm Width: 16mm Torque: 0. 9 Ncm Quantity: One Bearing Dimension Torque Ncm d D W 15mm 35mm 16mm 0. 9