Solid bronze bearing with hardness gradient
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United States of America Patent
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Sep 30, 2014
Grant Date -
Jul 25, 2013
app pub date -
Jun 13, 2012
filing date -
Jan 20, 2012
priority date (Note) -
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Abstract
The invention relates to a method for the production of an anti-friction bearing element (1) comprising a carrier metal which forms a back bearing side and a bearing metal, wherein the carrier metal is made from a bronze-based alloy. The bearing metal is also made from a bronze-based alloy, wherein the hardness of said bronze-based alloy is reduced at least in some areas by heat treatment, so that in the radial direction of the anti-friction bearing a hardness gradient is formed with increasing hardness in the direction of the back side (7) of the anti-friction bearing element (1).
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