Radial Ball Bearing Bearing Industry Number 61803 Bore Diameter 17 mm Closure Double Shielded Outer Ring Width 5 mm Outside Diameter 26 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 Includes Retaining Ring No Lubricant Material Grease