Rolling bearing
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United States of America Patent
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Dec 11, 2001
Grant Date -
N/A
app pub date -
Sep 28, 1999
filing date -
Oct 14, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A rolling bearing has a grease filled therein. The grease contains a perfluoropolyether oil having a straight-chain structure having a dynamic viscosity of from 40 to 160 mm.sup.2 /s, preferably from 40 to 100 mm.sup.2 /s, at 40.degree. C. as a base oil and a particulate fluororesin as a base oil, and a particulate polytetrafluoroethylene as a thickening agent.
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