50 mm x 90 mm x 20 mm KOYO NF210 cylindrical roller bearings

We work closely with our 50 mm x 90 mm x 20 mm KOYO NF210 cylindrical roller bearings manufacturing SKF Wheel Bearings DEVELOP MFG.CORP. partners to 0.93 kg Weight bring the best 50 mm x 90 mm x 20 mm value to customers.

What is NF210 bearing cross reference？