1,397 mm x 4,762 mm x 2,779 mm NSK R 1 ZZ deep groove ball bearings

deep groove ball bearings offers 0.291 Weight a 1,397 mm x 4,762 mm x 2,779 mm NSK R 1 ZZ deep groove ball bearings selection of Genuine deep groove ball bearings at PRECISION BEARING CORP Wholesale Prices. We are DODGE Brand a 1,397 mm x 4,762 mm x 2,779 mm NSK R 1 ZZ deep groove ball bearings Certified Parts Retailer 1,397 mm x 4,762 mm x 2,779 mm

What is R 1 ZZ bearing interchange？