Rolling device
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United States of America Patent
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Jun 4, 2013
Grant Date -
Jan 28, 2010
app pub date -
May 31, 2007
filing date -
May 31, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A rolling device in which rust development or damage on a raceway surface or rolling surface is hard to occur even if water and the like intrude is provided. A self-aligning roller bearing comprises an inner ring 1, an outer ring 2, and a plurality of rolling elements 3 disposed rotatably between a raceway surface 1a of the inner ring 1 and a raceway surface 2a of the outer ring 2. At least any one of the inner ring 1, the outer ring 2, and the rolling elements 3 is provided with a metal coating formed by shot peening of a powder of metal less noble than iron at least on a part of its surface.
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