80 mm x 170 mm x 39 mm ISB 1316 self aligning ball bearings

Question80 mm x 170 mm x 39 mm ISB 1316 self aligning ball bearings ? Find NTN PRECISION AXLE CORP. what you need faster by 80 mm x 170 mm x 39 mm entering your self aligning ball bearings information .

What is 1316 bearing cross reference？