Radial Ball Bearing, Bearing Industry Number R22, Bore Diameter 1 3/8 in, Closure Double Sealed, For Environment Oily/Greasy, Outer Ring Width 0.563 in, Outside Diameter 2 1/2 in, Ring Material Alloy Steel, Seal Type Contact, System of Measurement Inch, Cage Material Steel, ABEC Rating 1, Ball Material Steel, Ball Material Grade AISI 52100, Bore Diameter Tolerance + 0.00000 /- 0.00045 in, Dynamic Radial Load Capacity 3, 480 lbf, Flange Diameter Not Applicable, Flange Thickness Not Applicable