Ball bearing

Details Ball bearing Ball bearing

1995-03-08

1996-01-09

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384609, 384625, F16C 3302, F16C 1910

Patent

active

054823820

ABSTRACT:
A thrust ball bearing in which the lives of a power roller and an outer ring can be ensured without increasing a rotational resistance. The thrust ball bearing can thus be improved in durability without impairing the performance of a toroidal type continuously variable transmission having such a thrust ball bearing built thereinto. Fracture toughness K.sub.1c of a material forming the power roller is made higher than fracture toughness K.sub.1c ' of a material forming the outer ring (K.sub.1c >K.sub.1c '). Further, the maximum contact surface pressure P.sub.max between an inner ring raceway and the respective balls is made smaller than the maximum contact surface pressure P.sub.max ' between an outer ring raceway and the respective balls (P.sub.max <P.sub.max ').

REFERENCES:
patent: 3734582 (1973-05-01), Beauchet
patent: 4523863 (1985-06-01), Okoshi
patent: 4659241 (1987-04-01), Bamberger et al.
patent: 4880281 (1989-11-01), Merkelbach
patent: 5147140 (1992-09-01), Murakami et al.

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