LR50/8NPPU Track Roller 2 Rows Bearing Sealed 8x24x11 Track BearingsLR50 8NPPU Track Roller Double Row Ball Bearing 8mm x 24mm x 11mm One Bearing LR50 8NPPU Track Roller Double Row Ball Bearing, bearing is a Sealed, Bearing inner diameter is 8mm, Bearing outer diameter is 24mm and Bearing width is 11mm. Item: LR50 8NPPU Bearing Type: Track Roller Double Row Bearing Size: 8mm x 24mm x 11mm Bearing inner Diameter: 8mm Bearing outer Diameter: 24mm Bearing width : 11mm Dynamic Load Rating Cr: 4300 N Static Load Rating