90 mm x 190 mm x 43 mm NSK 6318N deep groove ball bearings

We work closely with our 90 mm x 190 mm x 43 mm NSK 6318N deep groove ball bearings manufacturing partners to bring the best 90 mm x 190 mm x 43 mm value to customers. SKF Wheel Bearings DEVELOP MFG.CORP.

What is 6318N bearing cross reference？