50 mm x 90 mm x 20 mm NTN 7210B Single row or matched pairs of angular contact ball bearings

We work closely with our 50 mm x 90 mm x 20 mm 50 mm x 90 mm x 20 mm NTN 7210B Single row or matched pairs of angular contact ball bearings manufacturing partners to NTN-SNR BEARING RULMENTI S.R.L. bring the best value to customers. 662939010583 manufacturer upc number:

What is 7210B bearing cross reference？