75 mm x 160 mm x 37 mm NSK 1315 self aligning ball bearings

The online 75 mm x 160 mm x 37 mm NSK 1315 self aligning ball bearings 30.461 Weight / Kilogram Stainless steel bearing equipment Co., Ltd parts store gives you immediate access to a 75 mm x 160 mm x 37 mm selection Bearings Category of more than 1.4 million new, used, remanufactured.

What is 1315 bearing cross reference？