Patent ID: 6224688
Filing Date: 2001-05-01
Classification: C22C,F16C,Y10S

Abstract:
A rolling bearing having a plurality of rolling elements located between a fixed race and a rotating race,wherein at least one of bearing components comprising said fixed race, rotating race and rolling elements is made of a steel which contains from 0.65 to 1.20% by weight of C, from 0.05 to 0.70% by weight of Si, from 0.2 to 1.5% by weight of Mn, from 0.15 to 2.0% by weight of Cr, from 0.05 to 0.40% by weight of Ti, not more than 0.01% by weight of N and unavoidable contaminating elements andwherein at least one of titanium carbide and titanium carbonitride particles having an average particle diameter of 20 nm or less is dispersed and deposited in the vicinity of the surface of the at least one of bearing components.