10 mm x 30 mm x 9 mm NTN 7200B Single row or matched pairs of angular contact ball bearings

Single row or matched pairs of angular contact ball bearings offers a 10 mm x 30 mm x 9 mm NTN 7200B Single row or matched pairs of angular contact ball bearings selection of Genuine Single row or matched pairs of angular contact ball bearings at Wholesale Prices. We are a NTN-SNR BEARING RULMENTI S.R.L. 10 mm x 30 mm x 9 mm NTN 7200B Single row or matched pairs of angular contact ball bearings Certified 10 mm x 30 mm x 9 mm Parts Retailer

What is 7200B bearing cross reference？