Rolling bearing for use under high temperature conditions

Details Rolling bearing for use under high temperature conditions Rolling bearing for use under high temperature conditions

1995-08-25

1997-05-06

Turner, Archene

Stock material or miscellaneous articles

Composite

Of inorganic material

384492, 384548, 384625, 384912, 148318, 148319, 148906, 428457, C23C 832

Patent

active

056269749

ABSTRACT:
In a rolling bearing including an inner race, an outer race and a plurality of rolling elements in which at least one member of the inner race, the outer race and the rolling elements is made of a high carbon steel material and has a Rockwell hardness of H.sub.R C 60 or more, the high carbon steel material including, in a surface thereof, solid solution of carbon C and solid solution of nitrogen N which are adjusted to satisfy relationships of 0.8 wt %.ltoreq.C.ltoreq.1.2 wt % and 0.1 wt %.ltoreq.N.ltoreq.0.5 wt % with the balance Fe, and in which the retained austenite existing in the high carbon steel material is adjusted to substantially 0 wt %, the rolling beating exhibits superior dimensional stability and high endurance even when it is used under high-temperature conditions, and exhibits high productivity with low cost.

REFERENCES:
patent: 4871268 (1989-10-01), Furumura et al.
patent: 4966751 (1990-10-01), Kaede et al.

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