Miniature Ball Bearing Bearing Industry Number R2A Bore Diameter 1/8 in Closure Double Shielded Outer Ring Width 0.171 in Outside Diameter 1/2 in Ring Material Stainless Steel System of Measurement Inch Cage Material Steel Cage Type Ribbon Dynamic Radial Load Capacity 144.1097 lbf Extended Inner Ring Yes Extended Inner Ring Width 0.171 in Fillet Radius 0.0118 in Finish Chrome Plated Flange Type Non-Flanged Includes Retaining Ring No Lubricant Material Grease