Radial Ball Bearing Bearing Industry Number R4 Bore Diameter 1/4 in Closure Double Shielded Outer Ring Width 0.196 in Outside Diameter 5/8 in Ring Material Alloy Steel System of Measurement Inch Cage Material Steel ABEC Rating 1 Application Radial and Thrust Load Application Ball Material Alloy Steel Bore Diameter Tolerance +0/-10 micron Dynamic Radial Load Capacity 333 lbf Includes Retaining Ring No Lubricant Material Grease