UC201-8 1/2 Axle Bearing Insert Mounted BearingsUC201 8 Mounted Bearing 1 2" x 47mm x 31mm 1 2" mounted Bearing UC201 8, the inner diameter is 1 2", the outer diameter is 47mm, the inner ring width is 31mm and the outer ring width is 16mm. Item: UC201 8 Bearing Type: Mounted Bearing Size: 1 2" x 47mm x 16mm 31mm Inner Diameter: 1 2" inch Outer Diameter: 47mm Inner Ring Width: 31mm Outer Ring Width: 16mm Dynamic load rating Cr: 56937 N Static load rating Cor: 29358 N Quantity: One Ball Bearing