Miniature Ball Bearing Bearing Industry Number R2-5 Bore Diameter 1/8 in Closure Open Outer Ring Width 0.109 in Outside Diameter 5/16 in Ring Material Stainless Steel System of Measurement Inch Cage Material Steel Cage Type Crown Ribbon Dynamic Radial Load Capacity 125.6744 lbf Extended Inner Ring Yes Extended Inner Ring Width 0.14 in Fillet Radius 0.0039 in Finish Chrome Plated Flange Type Non-Flanged Includes Retaining Ring No Lubricant Material Oil