Radial Ball Bearing, Bearing Industry Number 1604, Bore Diameter 3/8 in, Closure Double Sealed, For Environment Oily/Greasy, Outer Ring Width 0.343 in, Outside Diameter 7/8 in, Ring Material Alloy Steel, Seal Type Contact, System of Measurement Inch, Cage Material Steel, ABEC Rating 1, Ball Material Alloy Steel, Ball Material Grade AISI 52100, Bore Diameter Tolerance +0/-0.0003 in, Dynamic Radial Load Capacity 747 lbf, Includes Retaining Ring No, Lubricant Material Polyrex EM