80 mm x 170 mm x 39 mm ISB 6316 deep groove ball bearings

80x170x39 bearing offers a 80 mm x 170 mm x 39 mm ISB 6316 deep groove ball bearings selection of Genuine 80x170x39 bearing 80 mm x 170 mm x 39 mm at Wholesale Prices. We are a 80 mm x 170 mm x 39 mm ISB 6316 deep groove ball bearings Certified Steel Rolling Element Material Parts Retailer

What is 6316 bearing cross reference？