80 mm x 170 mm x 39 mm NTN N316G1 Single row cylindrical roller bearings

Single row cylindrical roller bearings 80 mm x 170 mm x 39 mm 49-1/4 in D offers a 80 mm x 170 mm x 39 mm NTN N316G1 Single row cylindrical roller bearings selection of Genuine Single row cylindrical roller bearings at Wholesale Prices. We are BEARING INDUSTRIA CUSCINETTI S.P.A. a 80 mm x 170 mm x 39 mm NTN N316G1 Single row cylindrical roller bearings Certified Parts Retailer

What is N316G1 bearing cross reference？