Wheel bearing device with a clearance formed between the inner race and the hub wheel
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Mar 9, 2009
filing date -
Mar 13, 2008
priority date (Note) -
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Abstract
A wheel bearing device includes a hub wheel and a wheel bearing press-fitted onto the hub wheel. A clearance is formed between at least one inner race and the hub wheel such that the at least one inner race is out of contact with the hub wheel at a position where an action line intersects with the hub wheel, the action line being a contact angle of the balls on the outboard side with the at least one inner race. A large-diameter side radially inner surface of the at least one inner race is formed as a curved surface opposed to the inner rolling surface of the at least one inner race. An axial dimension La of a corner portion of the hub wheel is 1.5 times or more as large as a radial dimension Lr thereof.
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