2.938 Inch | 74.625 Millimeter x 4.875 Inch | 123.83 Millimeter x 3.25 Inch | 82.55 Millimeter REXNORD MAS521576 Pillow Block Bearings

Our highly-skilled and factory-trained service experts have the resources to help you with all NACHI BEARINGS LTD your 2.938 Inch | 74.625 Millimeter x 4.875 Inch | 123.83 Millimeter x 3.25 Inch | 82.55 Millimeter REXNORD MAS521576 Pillow Block Bearings needs 2.938 Inch | 74.625 Millimeter x 4.875 Inch | 123.83 Millimeter x 3.25 Inch | 82.55 Millimeter - including routine maintenance, major repairs, warranty service, and Pillow Block Bearings equipment inspections.

What is MAS521576 bearing cross reference？