Bearings – Rotary bearing – Antifriction bearing
Patent
1990-03-02
1991-03-19
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
277135, F16C 3378
Patent
active
050005871
ABSTRACT:
An auxiliary bearing seal comprises a formed flinger having portions closely conforming to adjacent surfaces of a bearing assembly for a rotating shaft, and is mountable to the shaft by means associated with the bearing assembly. The bearing assembly includes a housing in which the bearings are contained. The housing includes a cylindrical portion extending in a first direction and the inner race of the bearings extends in the first direction outwardly of the housing. A collar having an annular surface facing in the first direction and an outside diameter surface is received over the outwardly-extending portion of the inner race and is secured to the shaft with a set screw. The inventive seal includes a first annular portion received adjacent the annular surface of the collar, a first cylindrical portion received adjacent the outside diameter surface of the collar, a second cylindrical surface positioned adjacent but spaced from the cylindrical portion of the housing, and a second annular portion extending between the first and second cylindrical surfaces. The combination of the auxiliary seal with a bearing assembly is also disclosed.
REFERENCES:
patent: 1978739 (1934-10-01), Brittain
patent: 3510138 (1970-05-01), Bowen et al.
patent: 4269459 (1981-05-01), Peck
patent: 4801244 (1989-01-01), Stahl
Footland Lenard A.
Link-Belt Bearings Division of Rexnord Corporation
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