150 mm x 270 mm x 73 mm NTN 32230 tapered roller bearings

Various 1400 Dynamic Load Rating (kN): tapered roller bearings 300mm D types NTN BEARING CORP.OF AMERICA and sizes to accommodate your 150 mm x 270 mm x 73 mm NTN 32230 tapered roller bearings 150 mm x 270 mm x 73 mm requirements.

What is 32230 bearing cross reference？