Rolling bearing and method for heat treatment of steel

Rolling bearing and method for heat treatment of steel

  • CN 1,910,379 A
  • Filed: 01/11/2005
  • Published: 02/07/2007
  • Est. Priority Date: 01/15/2004
  • Status: Active Application
First Claim
Patent Images

1. rolling bearing, it comprises lasso and rolling element, it is characterized in that,At least one member in aforementioned lasso and the rolling elementHave nitrogen-enriched layer on its surface, the austenite crystal of skin section number is more than No. 11, and the distance that constitutes the position that reaches HRC50 in the steel of this member in the hardenability test (JISG0561) and quenched end is more than 12.7mm (8/16 inch).

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×