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.


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    Title :

    METHOD OF TESTING THE SUITABILITY OF USE OF A ROLLING COMPONENT


    Additional title:

    TESTMETHODE FÜR DIE EINSATZEIGNUNG EINER ROLLENKOMPONENTE
    PROCÉDÉ DE TEST DE L'ADÉQUATION À L'UTILISATION D'UN COMPOSANT ROULANT


    Contributors:

    Publication date :

    2020-02-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B60B VEHICLE WHEELS , Räder für Fahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / F16C SHAFTS , Wellen



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