Radial Ball Bearing Bearing Industry Number 6203 Bore Diameter 17 mm Closure Double Shielded Outer Ring Width 12 mm Outside Diameter 40 mm Ring Material Alloy Steel System of Measurement Metric Cage Material Steel ABEC Rating 1 Application Radial and Thrust Load Application Bore Diameter Tolerance +0/-10 micron Dynamic Radial Load Capacity Not Available Finish Chrome Plated Includes Retaining Ring No Lubricant Material Grease