Bearings – Rotary bearing – Antifriction bearing
Patent
1991-05-13
1992-09-22
Shoap, Allan N.
Bearings
Rotary bearing
Antifriction bearing
277 25, 277 37, 277 68, 277152, 384485, 384486, F16C 3376, F16C 3378, F16J 1532
Patent
active
051492075
ABSTRACT:
A seal device for wheel hub bearings consists of a centrifugation device (1) equipped with a seal (3) and a screen or shield (2) mounted onto the outer fixed race (11). The centrifugation device (1) is fixed to the inner rotating race (10) of the bearing. The seal (3) is provided with lips (7,8) which slide respectively against the outer race (11) of the bearing and against the shield (2) mounted on this race. The centrifugation device (1) and the shield (2) are shaped and positioned between the two races so as to form a first chamber (21) open towards the outside of the bearing, a second closed intermediate chamber (22) and a third chamber (23) open towards the inner parts of the bearing.
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patent: 4643436 (1987-02-01), Jackowski
patent: 4770425 (1988-09-01), Colanzi et al.
patent: 4792243 (1988-12-01), Takeuchi et al.
Shoap Allan N.
SKF Industrie S.P.A.
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