BB17-2GD One way Bearing Sealed Sprag Freewheel Clutch BearingsBB17 2GD One way clutch Sealed Sprag Freewheel Bearing BB17 2GD One way clutch Sealed Bearing, inner diameter is 17mm, outer diameter is 40mm and width is 17mm. Item: BB17 2GD Bearing Type: One Way Clutch Bearing Inner Diameter: 17mm Outer Diameter: 40mm Width: 17mm Torque: 1. 1 Ncm Quantity: One Bearing Dimension Torque Ncm d D W 17mm 40mm 17mm 1. 1