Radial Ball Bearing Bearing Industry Number 609 Bore Diameter 9 mm Closure Double Shielded Outer Ring Width 7 mm Outside Diameter 24 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