35 mm x 72 mm x 23 mm NKE 2207-K-2RS+H307 self aligning ball bearings

The online 35 mm x 72 mm x 23 mm NKE 2207-K-2RS+H307 self aligning ball bearings NTN BEARING CORP. 57.15 mm d parts store gives you immediate 35 mm x 72 mm x 23 mm access to a selection of more than 1.4 million new, 1.62 kg Weight used, remanufactured.

What is 2207-K-2RS+H307 bearing interchange？