Radial Ball Bearing Bearing Industry Number 61900 Bore Diameter 10 mm Closure Double Sealed For Environment Oily/Greasy Outer Ring Width 6 mm Outside Diameter 22 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 610 lbf Includes Retaining Ring No Lubricant Material Polyrex EM