Radial Ball Bearing, Bearing Industry Number 6303, Bore Diameter 17 mm, Closure Double Sealed, For Environment Oily/Greasy, Outer Ring Width 14 mm, Outside Diameter 47 mm, Ring Material Alloy Steel, Seal Type Contact, 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, Lubricant Material Polyrex EM. This item has been restricted from sale in the following state (s): []