Miniature Ball Bearing Bearing Industry Number 699 Bore Diameter 9 mm Closure Double Shielded Outer Ring Width 6 mm Outside Diameter 20 mm Ring Material Alloy Steel System of Measurement Metric ABEC Rating 1 Cage Type Shielded Dynamic Radial Load Capacity 555 lbf Flange Diameter Not Applicable Flange Thickness Not Applicable Flange Type Non-Flanged Includes Retaining Ring No Lubricant Material Multitemp Grease