Rolling bearing

Details Rolling bearing Rolling bearing

1987-04-16

1988-08-23

Petrakes, John

Bearings

Rotary bearing

Plain bearing

277 80, 384446, 384484, F16C 3374, F16C 3382, F16J 1540

Patent

active

047657561

ABSTRACT:
A rolling bearing comprising an outer race and an inner race situated coaxially therein both races defining an annular space therebetween and a row of rolling members in the annular space between the races, and generally annular ring seals, having inwardly directed sides and inner and outer peripheral areas, for sealing off from the surroundings, on either side of the rolling members, the annular space between the races wherein a lubricant is present, wherein the inwardly directed sides of the sealing rings is formed with at least one cavity containing a fluid magnetic lubricant, and a magnetic forming magnetic fields, the poles of which fields are located on either side of the cavity, near the races.

REFERENCES:
patent: 4039231 (1977-08-01), DiLoreto
patent: 4043616 (1977-08-01), Zimmer
patent: 4077508 (1978-03-01), Pedersen
patent: 4171818 (1979-10-01), Moskowitz et al.
patent: 4502739 (1985-03-01), Flander
patent: 4531846 (1985-07-01), Raj

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