Concentric radii ball bearing stack

Details Concentric radii ball bearing stack Concentric radii ball bearing stack

2007-07-24

2007-07-24

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

Reexamination Certificate

active

11176052

ABSTRACT:
A ball bearing stack which includes more than one bearing arranged in face to face relation and sharing a common rotational axis. Each bearing has an inner ring and a concentric outer ring. The inner ring defines an inner race. The outer ring defines an outer race. A plurality of ball bearings are captured within an annular space defined between the inner race and the outer race. Each of the more than one bearing has a ball bearing contact surface on the outer race which is radiused from face to face about a common centre point positioned on the common rotational axis.

REFERENCES:
patent: 5051004 (1991-09-01), Takeuchi et al.
patent: 2004/0076355 (2004-04-01), Ishiguro et al.

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