Rolling bearing for a high speed rotation

Details Rolling bearing for a high speed rotation Rolling bearing for a high speed rotation

1994-06-27

1995-03-21

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384448, F16C 3366

Patent

active

053990277

ABSTRACT:
A rolling bearing for supporting a rotating shaft of a high speed rotating machine is provided with an outer race including an outer raceway on an inner face thereof, an inner race including an inner raceway on an outer face thereof, the inner race being rotated together with the rotating shaft, a plurality of rolling elements rotatably disposed between the outer raceway and the inner raceway, and a hole formed at a portion of the inner race, in which a section of the hole in a circumferential direction of the inner race has a shape of which a size in the circumferential direction of the inner race is greater than that in an axial direction of the inner race, and which are free from a sharp edge. The rolling bearing can relax stress concentration produced in the inner race during a high speed rotation and can increase the allowable rotation speed of the inner race.

REFERENCES:
patent: 2217801 (1940-10-01), Katcher
patent: 3195965 (1965-07-01), Van Dorn
patent: 4108506 (1978-08-01), Osborn
patent: 4334720 (1982-06-01), Signer
patent: 4797014 (1989-01-01), Nicolich
patent: 4798299 (1989-01-01), Bayer et al.

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