2.75 Inch | 69.85 Millimeter x 4.531 Inch | 115.09 Millimeter x 3.25 Inch | 82.55 Millimeter REXNORD MA621248 Pillow Block Bearings

2.75 Inch | 69.85 Millimeter x 4.531 Inch | 115.09 Millimeter x 3.25 Inch | 82.55 Millimeter REXNORD MA621248 Pillow Block Bearings with easy-to-use parts graphics, giving you the ability to HUB CITY BEARING CORP check parts availability, Pillow Block Bearings pricing, 2.75 Inch | 69.85 Millimeter x 4.531 Inch | 115.09 Millimeter x 3.25 Inch | 82.55 Millimeter examine remanufactured CONSOLIDATED BEARING Brand options. ABEC 1 | ISO P0 Precision Class

What is MA621248 bearing cross reference？