Miniature Ball Bearing Bearing Industry Number 683 Bore Diameter 3 mm Closure Double Shielded Outer Ring Width 3 mm Outside Diameter 7 mm Ring Material Stainless Steel System of Measurement Metric Cage Material Steel Cage Type Crown Ribbon Dynamic Radial Load Capacity 311 N Fillet Radius 0.1 mm Flange Diameter 8.1 mm Flange Thickness 0.8 mm Flange Type Flanged Includes Retaining Ring No Lubricant Material Grease