Anti-friction bearing seal

Details Anti-friction bearing seal Anti-friction bearing seal

1986-04-18

1987-03-17

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, 277178, 384477, 384484, F16J 1532, F16C 3372

Patent

active

046501959

ABSTRACT:
A seal for an anti-friction bearing, which bearing includes an outer and inner ring and rolling elements riding between them. At the inner ring, the seal includes an axially outwardly extending leg or membrane, the radially inward side of which carries two axially spaced apart sealing ridges which are resiliently biased against the inner ring for effecting a seal. In the above axial membrane, there is an additional membrane of smaller cross section formed by a radial constriction of that axial membrane between the two sealing ridges, which makes the support of the axially outward sealing ridge more flexible. The distance between the sealing ridges is at least equal to the axial clearance in the completed installed bearing.

REFERENCES:
patent: 3396977 (1968-08-01), Iguchi
patent: 3848938 (1974-11-01), Stella et al.
patent: 4449717 (1984-05-01), Kitawaki et al.

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