Bearing apparatus for a wheel of vehicle

Details Bearing apparatus for a wheel of vehicle Bearing apparatus for a wheel of vehicle

2007-12-25

2007-12-25

Bellinger, Jason R. (Department: 3617)

Land vehicles: wheels and axles

Wheel

Hub

C384S544000

Reexamination Certificate

active

11204219

ABSTRACT:
A vehicle wheel bearing apparatus which improves the surface run-out of the wheel mounting flange to limit the generation of brake judder and also to increase the strength of the flange has a double row rolling bearing to rotatably support a wheel relative to a body of a vehicle. Double row rolling elements are between an inner member and an outer member. The inner member includes a wheel mounting flange, to secure the wheel via a brake rotor, and a cylindrical brake pilot portion, which extends from the wheel mounting flange to support the brake rotor. A plurality of hub bolts is press-fit into the wheel mounting flange along its circumference. The wheel mounting flange includes an annular recess portion recessed from the side surface of an outboard side at a base of the wheel mounting flange. The annular recess portion includes a corner region crossing the brake pilot portion which is formed with a predetermined hardened layer by high frequency induction quenching. The side surface is cut after the hub bolts are press fit into the wheel mounting flange.

REFERENCES:
patent: 6280096 (2001-08-01), Miyazaki et al.
patent: 6485109 (2002-11-01), Brinker et al.
patent: 6523909 (2003-02-01), Nakamura et al.
patent: 6672679 (2004-01-01), Kaneko
patent: 6829825 (2004-12-01), Bowman et al.
patent: 6880898 (2005-04-01), Nakamura et al.
patent: 2004/0252927 (2004-12-01), Hirai et al.
patent: 2002087008 (2002-03-01), None
patent: 2003-154801 (2003-05-01), None

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