35 mm x 72 mm x 23 mm NKE 2207-K self aligning ball bearings

Manufacturers of all self aligning ball bearings are represented 35 mm x 72 mm x 23 mm in our partial list of clients. 1.00 mm Fillet Radius ra Contact Gary for a complete 35 mm x 72 mm x 23 mm NKE 2207-K self aligning ball bearings list of NTN BEARING CORP.OF AMERICA clients and projects.

What is 2207-K bearing cross reference？