90 mm x 140 mm x 24 mm ISO 6018 ZZ deep groove ball bearings

90 mm x 140 mm x 24 mm ISO 6018 ZZ deep groove ball bearings AST BEARING OF AMERICA CORP. 1.1875 in d with easy-to-use parts graphics, giving you the ability 90 mm x 140 mm x 24 mm to check parts availability, 90x140x24 Bearing pricing, examine remanufactured options.

What is 6018 ZZ bearing cross reference？