UC210 50mm Axle Bearing Insert Mounted BearingsUC210 Mounted Bearing 50mm x 90mm x 51. 6mm UC210 Mounted Bearing, Bearing inner diameter is 50mm, Bearing outer diameter is 90mm, Bearing inner ring width is 51. 6mm and Bearing outer ring width is 24mm. Item: UC210 Bearing Type: Mounted Ball Bearing Bearing Size: 50mm x 90mm x 24mm 51. 6mm Bearing Inner Diameter: 50mm Bearing Outer Diameter: 90mm Bearing Inner Ring Width: 51. 6mm Outer Ring Width: 24mm Dynamic load rating Cr: 155687 N Static load