420 mm x 620 mm x 150 mm ISO N3084 cylindrical roller bearings

LET OUR 420 mm x 620 mm x 150 mm ISO N3084 cylindrical roller bearings NTN BEARING CORP.OF AMERICA 420 mm x 620 mm x 150 mm EXPERTS GET YOU THE PARTS YOU NEED.

What is N3084 bearing cross reference？