Radial Ball Bearing, Bearing Industry Number 6310, Bore Diameter 50 mm, Closure Open, For Environment Oily/Greasy, Outer Ring Width 27 mm, Outside Diameter 110 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/-0.012 mm, Dynamic Radial Load Capacity 13,900 lbf, Includes Retaining Ring No