LR5003NPPU Track Roller 2 Rows Bearing 17x40x14 Sealed Track BearingsLR5003NPPU Track Roller Double Row Ball Bearing 17mm x 40mm x 14mm One Bearing LR5003NPPU Track Roller Double Row Bearing, bearing is a Sealed, Bearing inner diameter is 17mm, Bearing outer diameter is 40mm and Bearing width is 14mm. Item: LR5003NPPU Bearing Type: Track Roller Double Row Bearing Size: 17mm x 40mm x 14mm Bearing Inner Diameter: 17mm Bearing Outer Diameter: 40mm Bearing Width : 14mm Quantity: One Bearing Load rating CW: 7800 N Load