Roller element bearing with water repellent filter seal
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United States of America Patent
Stats
-
May 7, 1996
Grant Date -
N/A
app pub date -
Dec 9, 1994
filing date -
Dec 28, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rolling element bearing, comprising bearing rings with rolling elements between the bearing rings, and a filter seal extending between the rings for closing a space between the rings. Said filter seal is oil permeable and water repellant. Hydrophilic chemicals are grafted on the side of the filter material facing the rolling elements. The side of the filter material opposite the rolling elements is coated with a water repellant substance having a high contact angle. The filter material is a metal mesh or a microporous polymeric material.
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