Radial Ball Bearing, Bearing Industry Number 61803, Bore Diameter 17 mm, Closure Double Sealed, For Environment Oily/Greasy, Outer Ring Width 5 mm, Outside Diameter 26 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 630 lbf, Includes Retaining Ring No, Lubricant Material Polyrex EM