LR5004NPPU Track Roller 2 Rows Bearing 20x47x16 Sealed Track BearingsLR5004NPPU Track Roller Double Row Ball Bearing 20mm x 47mm x 16mm One Bearing LR5004NPPU Track Roller Double Row Bearing, bearing is a Sealed, Bearing inner diameter is 20mm, Bearing outer diameter is 47mm and Bearing width is 16mm. Item: LR5004NPPU Bearing Type: Track Roller Double Row Bearing Size: 20mm x 47mm x 16mm Bearing Inner Diameter: 20mm Bearing Outer Diameter: 47mm Bearing Width : 16mm Quantity: One Bearing Load rating Cr: 11700 N Load