8 mm x 16 mm x 5 mm SKF W 628/8 R-2Z deep groove ball bearings

SKF BEARING offers a 8 mm x 16 mm x 5 mm SKF W 628/8 R-2Z deep groove ball bearings selection of 8 mm x 16 mm x 5 mm Genuine SKF BEARING at Wholesale Prices. We Bearing Rolamentos do Brasil Ltda. are a Deep Groove Ball Bea Bearing Used 8 mm x 16 mm x 5 mm SKF W 628/8 R-2Z deep groove ball bearings Certified Parts Retailer

What is W 628/8 R-2Z bearing interchange？