65 mm x 100 mm x 18 mm NTN 7017L1 Single row or matched pairs of angular contact ball bearings

65 mm x 100 mm x 18 mm NTN 7017L1 Single row or matched pairs of angular contact ball bearings NTN-SNR BEARING RULMENTI S.R.L. SEARCH Open closure type: - Whether it's agriculture or construction equipment your working on, Has theSingle row or matched pairs of angular contact ball bearings you need. 65 mm x 100 mm x 18 mm

What is 7017L1 bearing interchange？