Bearing device for wheel and manufacturing method therefor
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United States of America Patent
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Apr 12, 2016
Grant Date -
Aug 20, 2015
app pub date -
Sep 13, 2013
filing date -
Oct 12, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A bearing device for a wheel includes an outer member having double-row outer raceway surfaces formed on an inner circumference thereof, an inner member including a hub wheel having a wheel mounting flange formed thereon and at least one inner race fitted to a small-diameter step portion formed on an outer circumference of the hub wheel, the inner member having double-row inner raceway surfaces formed thereon so as to be opposed to the double-row outer raceway surfaces, and a plurality of rolling elements in spaces between the double-row inner and outer raceway surfaces. The at least one inner race being fixed in an axial direction thereof by a staked portion, the staked portion having a face spline formed on an end surface thereof by plastic working.
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