Rolling element bearing comprising a zirconium material
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United States of America Patent
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Oct 26, 1999
Grant Date -
N/A
app pub date -
May 6, 1997
filing date -
May 15, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rolling element bearing comprises an outer ring and an inner ring which enclose a bearing space containing rolling elements which are in rolling contact with the raceways of both rings. At least the contact surface layer of one of the rings and/or rolling elements consists of a zirconium material. At least one of the rings has a composite layered structure comprising an outer layer of steel facing away from the bearing space and an inner layer of a zirconium material.
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