Miniature Ball Bearing Bearing Industry Number MR52 Bore Diameter 2 mm Closure Double Shielded Outer Ring Width 2.5 mm Outside Diameter 5 mm Ring Material Stainless Steel System of Measurement Metric Cage Material Steel Cage Type Crown Dynamic Radial Load Capacity 169 N Fillet Radius 0.1 mm Finish Chrome Plated Flange Diameter 6.2 mm Flange Type Non-Flanged Includes Retaining Ring No Lubricant Material Grease