Miniature Ball Bearing Bearing Industry Number R156 Bore Diameter 3/16 in Closure Double Shielded Outer Ring Width 0.125 in Outside Diameter 5/16 in Ring Material Stainless Steel System of Measurement Inch Cage Material Steel Cage Type Crown Dynamic Radial Load Capacity 80.93525 lbf Fillet Radius 0.0039 in Finish Chrome Plated Flange Diameter 0.359 in Flange Thickness 0.036 in Flange Type Flanged Includes Retaining Ring No Lubricant Material Grease