Tapered roller thrust bearing with favorable load distribution
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United States of America Patent
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Issued Date -
Jan 5, 2006
app pub date -
Jul 1, 2004
filing date -
Jul 1, 2004
priority date (Note) -
Abandoned
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Abstract
A tapered roller thrust bearing with more optimally distributed loading on each tapered rolling element to reduce maximum tapered roller contact stress in a cost effective and efficient manner is provided. The bearing may include an upper plate, a bottom plate having a bottom surface, and a plurality of tapered rolling elements, where the interface between the bottom surface of the bottom plate and a top surface of a bearing support is such that some of the loading on the tapered rolling elements is moved radially outwardly on the bearing to a region of larger cross-sectional diameter of the tapered rolling elements. This may be accomplished by appropriately tapering the bottom surface of the bottom plate of the bearing, by appropriately tapering the top surface of the bearing support, or a combination of the two.
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