BEARING DEVICE FOR VEHICLE WHEEL
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Jan 23, 2020
app pub date -
Mar 14, 2018
filing date -
Mar 14, 2018
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
This bearing device (1) for vehicle wheels comprises: an inner undercut part (8) provided in a portion at which an inner rolling surface (3d) formed on the inner side of an inner member (3) and an inner flange surface (3m) of the inner rolling surface (3d) intersect; an outer undercut part (9) provided in a portion at which an inner rolling surface (3c) formed on the outer side of the inner member (3) and an outer flange surface (3n) of the inner rolling surface (3c) intersect; and a vehicle wheel installation flange (3e) provided at a portion adjacent to the inner rolling surface (3c) formed on the outer side of the inner member (3), wherein, when the radius of curvature of the inner undercut part (8) is Ri, and the radius of curvature of the outer undercut part (9) is Ro, the relationship of Ri
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