Patent ID: 6267511
Filing Date: 2001-07-31
Classification: C22C,F16C

Abstract:
A rolling bearing comprising:a stationary race;a rotating race; anda plurality of rolling elements provided between said stationary race and said rotating race and lubricated with a grease,wherein at least one of the rotating race and the stationary race is made of a steel material containing:0.65 to 1.20% by weight of C;0.10 to 0.70% by weight of Si;0.20 to 1.20% by weight of Mn; and0.20 to 1.80% by weight of Cr,wherein said steel material further comprises an oxygen content of not more than 16 ppm, andwherein a content of retained austenite of said rotating race after subjecting to a heat treatment is from 0 to 6% by volume, and wherein a content of retained austenite of said stationary race is not less than 7% by volume after subjecting to a heat treatment.