2 mm x 7 mm x 2.8 mm skf W 602 Deep groove ball bearings

The SAFS BEARING SALES COMPANY 2 mm x 7 mm x 2.8 mm Class 2 abma precision rating: online 2 mm x 7 mm x 2.8 mm skf W 602 Deep groove ball bearings parts store gives you immediate access to a selection of more than 1.4 million new, used, remanufactured.

What is W 602 bearing cross reference？