Rolling contact bearing provided with a seal and an electrostati

Details Rolling contact bearing provided with a seal and an electrostati Rolling contact bearing provided with a seal and an electrostati

1998-07-16

2000-08-29

Bucci, David A.

Bearings

Rotary bearing

Antifriction bearing

384476, 384477, 384277, 384482, 277919, 277565, F16C 1900

Patent

active

061097942

ABSTRACT:
A rolling contact bearing is described with a sealing device suitable to discharge the electrostatic currents which accumulate in a autovehicle; the sealing device (13, 32) has at least one sealing element (17, 37, 43) made of elastic conductive material integral with the stationary race (11) of the bearing and said sealing element engages, by sliding contact, a surface (21, 22, 40, 41, 33) integral with the rotating race (10, 35) of the bearing. The sealing element made of elastic conductive material (17, 37, 43) co-operates with the sealing device (13, 32) to form a hermetically sealed chamber (26, 24, 39, 44); said chamber contains electrically conductive grease and is placed between the outside environment and the bearing inner portions (14) which normally contain lubricant grease.

REFERENCES:
patent: 3564477 (1971-02-01), Pompei
patent: 4502739 (1985-03-01), Flander
patent: 5139425 (1992-08-01), Daviet et al.
patent: 5863135 (1999-01-01), Bildtsen et al.

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