Miniature Ball Bearing Bearing Industry Number R144 Bore Diameter 1/8 in Closure Open Outer Ring Width 0.093 in Outside Diameter 1/4 in Ring Material Stainless Steel System of Measurement Inch Cage Material Steel Cage Type Crown Dynamic Radial Load Capacity 63.84892 lbf Extended Inner Ring Yes Extended Inner Ring Width 0.109 in Fillet Radius 0.0039 in Finish Chrome Plated Flange Type Non-Flanged Includes Retaining Ring No Lubricant Material Oil