Radial Ball Bearing, Bearing Industry Number R10, Bore Diameter 5/8 in, Closure Double Shielded, Outer Ring Width 0.344 in, Outside Diameter 1 3/8 in, Ring Material Alloy Steel, System of Measurement Inch, Cage Material Steel, ABEC Rating 1, Ball Material Alloy Steel, Bore Diameter Tolerance +0/-8 micron, Dynamic Radial Load Capacity 1,360 lbf, Includes Retaining Ring No, Lubricant Material Grease