Radial Ball Bearing Bearing Industry Number R22 Bore Diameter 1 3/8 in Closure Double Shielded For Environment Oily/Greasy Outer Ring Width 0.562 in Outside Diameter 2 1/2 in Ring Material Alloy Steel System of Measurement Inch Cage Material Steel ABEC Rating 1 Ball Material Alloy Steel Ball Material Grade AISI 52100 Bore Diameter Tolerance +0/-0.00045 in Dynamic Radial Load Capacity 3 480 lbf Flange Diameter Not Applicable Flange Thickness Not Applicable Flange Type Non-Flanged