Radial Ball Bearing Bearing Industry Number 6303 Bore Diameter 17 mm Closure Open For Environment Oily/Greasy Outer Ring Width 14 mm Outside Diameter 47 mm Ring Material Alloy Steel System of Measurement Metric Cage Material Steel ABEC Rating 1 Ball Material Alloy Steel Ball Material Grade AISI 52100 Bore Diameter Tolerance +0/-0.008 mm Dynamic Radial Load Capacity 3 060 lbf Includes Retaining Ring No