Patent ID: 6517644
Filing Date: 2003-02-11
Classification: C21D,C22C,F16C,Y10S

Abstract:
A rolling bearing comprising:a stationary ring; a rotating ring; and a plurality of rolling elements disposed between said stationary ring and said rotating ring, wherein said stationary ring is made of a steel material containing, 0.80 to 1.10% by weight of C, 0.20 to 0.50% by weight of Si, 0.20 to 1.0% by weight of Mn, and further containing any two kinds or more of1.2 to 3.5% by weight of Cr, 0.5 to 1.5% by weight of Mo, and 0.2 to 1.0% by weight of V, and wherein the quantities of Cr, Mo and V satisfy a following formula (1), 1.8&lE;[Cr]Ã—0.6+[Mo]Ã—0.5+[V]&lE;3.0â€ƒâ€ƒ(1) where, [Cr] defines the quantity (wt %) of Cr in the steel material, [Mo] indicates the quantity (wt %) of Mo in the steel material, and [V] denotes the quantity (wt %) of V in the steel material,wherein said stationary is subsequently subjected to quenching and tempering.