Cage for ball bearing assembly

Details Cage for ball bearing assembly Cage for ball bearing assembly

1987-04-10

1988-08-16

Levy, Stuart S.

Bearings

Rotary bearing

Antifriction bearing

384572, 384902, F16C 3344

Patent

active

047640375

ABSTRACT:
A ball bearing assembly for operation immersed in liquid oxygen at pressures in excess of 1000 psi and at rotational speeds in excess of 10,000 revolutions per minute. A bearing assembly comprising an inner and outer race, a plurality of spherical ball bearings dispersed therebetween and a cage member for maintaining the bearings in spaced-apart relation with respect to one another. The improvement comprises forming the cage member from a liquid oxygen compatible porous metal impregnated with a liquid oxygen compatible polyhalogenated hydrocarbon for adding lubricity to the cage member. The preferred porous metal is a 300 series CRES alloy and the preferred polyhalogenated hydrocarbon is either fluorinated ethylenepropylene or polytrichlorotrifluoroethylene.

REFERENCES:
patent: 3362762 (1968-01-01), Haller
patent: 4223963 (1980-09-01), Glodin et al.

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