1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMC9310WI DUM Precision Ball Bearings

We AMERICAN BEARING MFG.CORP. Provide 1.89 Weight (kg) Extensive 1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.945 Inch | 24 Millimeter 1.969 Inch | 50 Millimeter x 2.835 Inch | 72 Millimeter x 0.945 Inch | 24 Millimeter TIMKEN 2MMC9310WI DUM Precision Ball Bearings Selection And Competitive Wholesale Pricing.

What is 2MMC9310WI DUM bearing cross reference？