50,000 mm x 72,000 mm x 12,000 mm NTN 6910ZZNR deep groove ball bearings

50x72x12 bearing offers a 50,000 mm x 72,000 mm x 12,000 mm NTN 6910ZZNR deep groove ball bearings Standard Clearance: selection of Genuine 50x72x12 bearing at Wholesale Prices. We are a 50,000 mm x 72,000 mm x 12,000 mm NTN 6910ZZNR deep groove ball bearings Certified 50,000 mm x 72,000 mm x 12,000 mm Parts Retailer

What is 6910ZZNR bearing cross reference？