Miniature Ball Bearing Bearing Industry Number MR93 Bore Diameter 3 mm Closure Double Shielded Outer Ring Width 4 mm Outside Diameter 9 mm Ring Material Stainless Steel System of Measurement Metric Cage Material Steel Cage Type Crown Dynamic Radial Load Capacity 572 N Fillet Radius 0.15 mm Finish Chrome Plated Flange Diameter 10.6 mm Flange Type Non-Flanged Includes Retaining Ring No Lubricant Material Grease