Anti-friction bearing seal
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United States of America Patent
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-
Mar 17, 1987
Grant Date -
N/A
app pub date -
Apr 18, 1986
filing date -
May 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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