Method for preloading a hub bearing unit
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United States of America Patent
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Feb 20, 2018
Issued Date -
N/A
app pub date -
Apr 27, 2016
filing date -
Apr 29, 2015
priority date (Note) -
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Abstract
A method for axially preloading a bearing hub assembly having a rotatable hub, provided with rolling tracks and a bearing unit having a stationary radially outer ring, provided with rolling tracks, and a double row of rolling bodies disposed between the radially outer ring and the hub. The method requires the use of a bias unit and provides the following steps: a) feeding to an assembly station a hub bearing assembly, already assembled; b) verifying the value of the interference (C) between the radially outer ring and the bias unit; c) exerting an axial force (F) radially on the outer ring for the bias unit to deform under compression the radially outer ring that in turn will transmit a force to the rolling bodies via the raceways.
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