Radial Ball Bearing, Bearing Industry Number 1658, Bore Diameter 1 5/16 in, Closure Double Sealed, For Environment Oily/Greasy, Outer Ring Width 0.688 in, Outside Diameter 2 9/16 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/- 0.00045 in, Dynamic Radial Load Capacity 3, 369 lbf, Includes Retaining Ring No, Lubricant Material Polyrex EM