Bearing part and fabrication method therefor

Details Bearing part and fabrication method therefor Bearing part and fabrication method therefor

2006-09-12

2006-09-12

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S492000, C384S571000, C384S625000, C029S898066

Reexamination Certificate

active

07104697

ABSTRACT:
In a heat treatment wherein a blank (intermediate material) formed with a lubrication hole is heated and quenched, the quenching of the blank is terminated at the point of time that a temperature at a portion corresponding to a depth from a raceway surface (surface of a bearing part) of an outer ring (the bearing part), to which depth the maximum shear stress affects, is lowered to an MS point.

REFERENCES:
patent: 3714694 (1973-02-01), Dobson
patent: 4191599 (1980-03-01), Stickels et al.
patent: 4871268 (1989-10-01), Furumura et al.
patent: 5009523 (1991-04-01), Folger et al.
patent: 5658082 (1997-08-01), Tsushima et al.
patent: 1 099 869 (2001-05-01), None
patent: 06-198505 (1994-07-01), None
patent: 07-269574 (1995-10-01), None

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