Heat-resistant ball bearing

Details Heat-resistant ball bearing Heat-resistant ball bearing

1990-03-21

1990-10-16

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384527, 384531, 3849071, F16C 3344

Patent

active

049630407

ABSTRACT:
A heat-resistant ball bearing comprising inner and outer races made of a heat-resistant steel, a plurality of balls made of a ceramic, and a crown retainer made of graphite. Preferably, the retainer has a crown shape and comprises a plurality of projections forming a pocket and a cut-away portion connected to the pocket. The width of the cut-away portion is selected to be about 97 to 99% of the diameter of the ball.

REFERENCES:
patent: 3162493 (1964-12-01), Hanau
patent: 3472567 (1969-10-01), Johnson
patent: 4324444 (1982-04-01), Buczynski et al.
patent: 4634300 (1987-01-01), Takebayashi et al.

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