TANDEM ANGULAR CONTACT ROLLER BEARING WITH CONCAVE ROLLER PROFILE FOR IMPROVED ROLLER GUIDANCE
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United States of America Patent
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Issued Date -
Dec 29, 2011
app pub date -
Jun 29, 2010
filing date -
Jun 29, 2010
priority date (Note) -
Abandoned
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Abstract
A tandem roller bearing having circumferential inner and outer races each having first and second contact surfaces with convex profiles is provided. Rolling elements are arranged between the inner and outer races, each of the rolling elements having a concave profile corresponding to the convex profiles of a respective pairing of the first contact surfaces of the inner and outer races or of the second contact surfaces of the inner and outer races. A cage is arranged between the inner and outer races that separates and is guided by the rolling elements. The rolling elements include first and second sets of rolling elements having first and second axes of rotation that are arranged between the first and second contact surfaces of the inner and outer races, respectively. The first and second axes of rotation are inclined in a same direction with respect to a central axis of the inner race.
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