Radial Ball Bearing Bearing Industry Number 6307 Bore Diameter 35 mm Closure Double Shielded Outer Ring Width 21 mm Outside Diameter 80 mm Ring Material Alloy Steel System of Measurement Metric Cage Material Alloy 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