90 mm x 190 mm x 43 mm SIGMA NU 318 cylindrical roller bearings

90x190x43 Bearing offers a 90 mm x 190 mm x 43 mm SIGMA NU 318 cylindrical roller bearings 1.45 Weight / Kilogram selection of Genuine 90x190x43 Bearing at Wholesale 90 mm x 190 mm x 43 mm Prices. We are a 90 mm x 190 mm x 43 mm SIGMA NU 318 cylindrical roller bearings Certified Parts SKF Wheel Bearings DEVELOP MFG.CORP. Retailer

What is NU 318 bearing interchange？