Rolling bearing

Details Rolling bearing Rolling bearing

1998-10-21

2000-07-04

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384450, F16C 3358

Patent

active

060829060

ABSTRACT:
A deep-raceway ball bearing 1 as a ball bearing includes an inner ring 2, an outer ring 3 and a rolling element 4. The inner ring 2 is annular as a whole and circular in cross section. A rotary shaft 5 is fastened to the inner peripheral surface of the inner ring 2. The outer ring 3 is annular as a whole and circular in cross section, and larger in inside diameter than the inner ring 2. A plural number of rolling elements 4 are disposed in reliable fashion between the inner ring 2 and the outer ring 3, while being in contact with the outer peripheral surface 6 of the inner ring 2 and the inner peripheral surface 7 of the outer ring 3. The outer peripheral surface 6 of the inner ring 2, while extending in the circumferential direction thereof, is curved inward to form an inner raceway 8 circular in cross section. The inner peripheral surface 7 of the outer ring 3, while extending in the circumferential direction thereof, is also curved inward to form an outer raceway 9 circular in cross section. The radius of curvature of the inner raceway 8 of the inner ring 2 is selected to have a value within the range from 50.5% of the diameter da of each rolling element 4 to a value less than 52% of the same. The radius of curvature of the sectionally circular groove 9 of the outer ring 3 is selected to have a value more than 52.0% of the diameter da of each rolling element 4 and equal or less than 55.0% of the same.

REFERENCES:
patent: 2142477 (1939-01-01), Murden
patent: 2142478 (1939-01-01), Murden
patent: 3370899 (1968-02-01), Eklund
patent: 3647268 (1972-03-01), Haines
patent: 4334721 (1982-06-01), Satoh et al.
patent: 4431236 (1984-02-01), Orain
patent: 4565457 (1986-01-01), Flander
patent: 5501530 (1996-03-01), Nagai et al.

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