Miniature Ball Bearing, Bearing Industry Number 1810, Bore Diameter 5/16 in, Closure Double Shielded, Outer Ring Width 0.156 in, Outside Diameter 1/2 in, Ring Material Stainless Steel, System of Measurement Inch, Cage Material Steel, Cage Type Crown, Dynamic Radial Load Capacity 121.6276 lbf, Fillet Radius 0.0059 in, Finish Chrome Plated, Flange Diameter 0.547 in, Flange Thickness 0.031 in, Flange Type Flanged, Includes Retaining Ring No, Lubricant Material Grease