ROLLING BEARING FOR MULTISTAGE ROLLING MILL BACKUP ROLLER

摘要

PROBLEM TO BE SOLVED: To lengthen a service life by restraining damage of an inner race of a rolling bearing for a backup roller used for a multistage rolling mill. SOLUTION: In this rolling bearing for the backup roller of the multistage rolling mill, the inner race is formed of bearing steel in which the specific number of oxide inclusions exist. COPYRIGHT: (C)2004,JPO