Provided is a rolling device in which hydrogen is not easily accumulated within a roller element made of steel, such as an inner race and an outer race, and premature separation due to hydrogen embrittlement is prevented from occurring. A rolling bearing 1 having an inner race 2, an outer race 3, and rolling bodies 4, and at least one selected from the inner race 2, the outer race 3, and the rolling bodies 4 is made of predetermined steel. At least a part of oxide-based inclusions included in the steel is covered by MnS, and a ratio of a number of oxide-based inclusions covered by MnS is over 40% of a total number of oxide-based inclusions having maximum diameter of 3 µm or greater in the steel.
METHOD OF TESTING THE SUITABILITY OF USE OF A ROLLING COMPONENT
TESTMETHODE FÜR DIE EINSATZEIGNUNG EINER ROLLENKOMPONENTE
PROCÉDÉ DE TEST DE L'ADÉQUATION À L'UTILISATION D'UN COMPOSANT ROULANT
2020-02-26
Patent
Electronic Resource
English
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