LR209NPPU Track Roller 1 Row Bearing 45x90x19 Sealed Track BearingsLR209NPPU Track Roller Single Row Ball Bearing 45mm x 90mm x 19mm One Bearing LR209NPPU Track Roller Single Row Bearing, bearing is a Sealed, Bearing inner diameter is 45mm, Bearing outer diameter is 90mm and Bearing width is 19mm. Item: LR209NPPU Bearing Type: Track Roller Single Row Bearing Size: 45mm x 90mm x 19mm Bearing Inner Diameter: 45mm Bearing Outer Diameter: 90mm Bearing Width: 19mm Quantity: One Bearing Load rating CW: 22400 N Load rating