Bearings – Rotary bearing – Antifriction bearing
Patent
1985-12-27
1986-12-16
Levy, Stuart S.
Bearings
Rotary bearing
Antifriction bearing
F16C 3356, F16C 3336, F16C 3348
Patent
active
046293396
ABSTRACT:
A self-aligning roller bearing in which a retainer is disposed between an outer race and an inner race. The retainer has two axially spaced apart annular portions integrally connected together by a plurality of circumferentially spaced apart cross bars and barrel shaped rollers are disposed in a pocket surrounded by the two adjacent cross bars and the two annular portions. The roller bearing is characterized in that the retainer is made of synthetic resin, the side surfaces of the cross bars forming the pocket have concavely curved surfaces corresponding to the rolling surface of the spherical roller in a portion inside the bearing and a portion outside the bearing with respect to a plane perpendicular to a plane containing the axis of the bearing and the axis of the spherical roller and containing the axis of the roller, and the retainer has a portion in which the spacing between the outer peripheral surface of a cross bar and the outer peripheral surface of the adjacent cross bar is shorter than the diameter of the roller in the opposed portions thereof and a portion in which the spacing between the inner peripheral surface of a cross bar and the inner peripheral surface of the adjacent cross bar is shorter than the diameter of the roller in the opposed portions thereof.
REFERENCES:
patent: 2611670 (1952-09-01), Palmgren
patent: 3051534 (1962-08-01), Kohler et al.
patent: 3350149 (1967-10-01), Oechsler
patent: 3547504 (1970-12-01), Bobowicz et al.
patent: 3720450 (1973-03-01), Dominik
patent: 3912346 (1975-10-01), Boratynski et al.
patent: 4222620 (1980-09-01), Mirring
patent: 4225199 (1980-09-01), Earsley
patent: 4288129 (1981-09-01), Ryanen
Hannon Thomas R.
Levy Stuart S.
Nippon Seiko Kabushiki Kaisha
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