Miniature Ball Bearing Bearing Industry Number R144 Bore Diameter 1/8 in Closure Double Shielded Outer Ring Width 0.109 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 Fillet Radius 0.0039 in Finish Chrome Plated Flange Diameter 0.296 in Flange Thickness 0.031 in Flange Type Flanged Includes Retaining Ring No Lubricant Material Grease