Plain Bearing
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United States of America Patent
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N/A
Issued Date -
Jan 7, 2010
app pub date -
Aug 28, 2007
filing date -
Sep 1, 2006
priority date (Note) -
Abandoned
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Abstract
A plain bearing is described, comprising a steel support shell and a lead-free bearing metal layer on the basis of copper with the main alloy elements of tin and zinc applied to the support shell. In order to achieve advantageous bearing properties it is proposed that the bearing metal layer has a tin fraction of 2.5 to 11 percent by weight, a zinc fraction of 0.5 to 5 percent by weight, a fraction of zirconium and titanium together of at least 0.01 percent by weight and a fraction of phosphorus of at least 0.03 percent by weight, with the sum total of the fractions of zirconium, titanium and phosphorus being at most 0.25 percent by weight and the sum total of the fractions of tin and zinc being between 3 and 13 percent by weight.
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