Rotational bearing arrangement for high speeds of rotation

Details Rotational bearing arrangement for high speeds of rotation Rotational bearing arrangement for high speeds of rotation

1989-11-20

1990-11-13

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384513, 384537, F16C 3358

Patent

active

049697544

ABSTRACT:
A rotational bearing arrangement for high speeds of rotation comprises a casing and a shaft mounted therein at a first ball bearing and a second ball bearing. At least the first ball bearing is a radial shoulder ball bearing. The first ball bearing has a first track formed on the shaft and a first outer race and the second ball bearing has a second track formed on the shaft and a second outer race. One coacting track and one outer race in combination form the ways for the balls of each associated ball bearing. The outer races are disposed in hollow substantially cylindrical seats formed by the casing. The first outer race when secured in its assembled state is disposed in a seat which constitutes a sliding seat, the seat dimensions being such that the outer race when introduced into but not secured in the seat can be reciprocated substantially effortlessly in axial direction. Certain advantages of such rotational bearing arrangement are that even at very high rotational speeds vibrations and excessive wear are obviated and the rotational bearing arrangement has a long service life. Difficulties because of balancing problems and the stability of shaft shape are obviated.

REFERENCES:
patent: 3056636 (1962-10-01), Mims
patent: 3454313 (1969-07-01), Lohneis
patent: 4603983 (1986-08-01), Hofmann et al.

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