5 mm x 13 mm x 4 mm Loyal 619/5 ZZ deep groove ball bearings

5 mm x 13 mm x 4 mm Loyal 619/5 ZZ deep groove ball bearings with easy-to-use parts 9750 kgf radial dynamic load capacity: graphics, giving you the ability to check parts availability, 5x13x4 bearing pricing, examine remanufactured 5 mm x 13 mm x 4 mm options.

What is 619/5 ZZ bearing interchange？