Patent ID: 6095692
Filing Date: 2000-08-01
Classification: C21D,C22C,F16C,Y10S

Abstract:
A rolling bearing comprising an inner ring, an outer ring and rolling elements as constituting members, wherein at least one of the members is formed by an alloy steel material for bearing and has been subjected to solution treatment such that titanium carbides or titanium carbonitrides having an average particle diameter of not more than 80 nm are dispersed in the surface and interior of the finished product, and then has been subjected to carburizing or carbonitriding, the alloy steel material having an alloy composition composed of:C: 0.15 to 0.45% by weight;Si: 0.1 to 1.2% by weight;Mn: 0.2 to 1.5% by weight;Cr: 0.2 to 1.6% by weight; andTi: 0.05 to 0.40% by weight.