15 mm x 42 mm x 13 mm NKE 6302 deep groove ball bearings

15x42x13 Bearing offers a 15 mm x 42 mm x 13 mm NKE 6302 deep groove ball bearings selection of Genuine 15x42x13 Bearing SKF BEARING MANUFACTURING CO.,LTD. 15 mm x 42 mm x 13 mm at Wholesale Prices. We are a 15 mm x 42 mm x 13 mm NKE 6302 deep groove ball bearings Certified Parts Retailer

What is 6302 bearing cross reference？