Cage for ball bearing

Details Cage for ball bearing Cage for ball bearing

1998-08-18

2000-06-13

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384470, 384523, 384530, 384531, F16C 3338

Patent

active

06074099&

ABSTRACT:
A cage for ball bearing having pockets 7 the inner surface of which comprises a spherical surface portion 15 and a pair of cylindrical surface portions 16 on the opposite sides of the spherical surface portion 15 connected continuously to the opposite edges of the spherical surface portion 15, the spherical surface portion 15 having a radius of curvature slightly larger than the radius of curvature of the rolling contact surface of the balls to be held in the pockets 7, wherein the area of the spherical surface portion 15 in sliding contact with the rolling surface of the balls is decreased to smoothly supply the pockets 7 with lubricant to decrease the cage sound caused due to friction.

REFERENCES:
patent: 3918777 (1975-11-01), Kitchin
patent: 4136915 (1979-01-01), Derner
patent: 4225199 (1980-09-01), Earsley
patent: 4493513 (1985-01-01), Osawa et al.
patent: 4572678 (1986-02-01), Neder et al.
patent: 5044783 (1991-09-01), Willner
patent: 5806990 (1998-09-01), Ueno et al.

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