60 mm x 110 mm x 22 mm SKF 212 NR deep groove ball bearings

110x60x22 Bearing offers a 60 mm x 110 mm x 22 mm SKF 212 NR deep groove ball bearings selection 60 mm x 110 mm x 22 mm of Genuine 110x60x22 Bearing at Wholesale Prices. We are a SKF Wheel Bearings DEVELOP MFG.CORP. 60 mm x 110 mm x 22 mm SKF 212 NR deep groove ball bearings Certified Parts Retailer

What is 212 NR bearing interchange？