Hub unit bearing for wheel

Details Hub unit bearing for wheel Hub unit bearing for wheel

1998-12-24

2000-11-14

Lorence, Richard M.

Bearings

Rotary bearing

Antifriction bearing

384625, B60B 3700, F16D 322

Patent

active

061460222

ABSTRACT:
A hub unit bearing for automotive wheel comprises an outer joint member of constant velocity universal joint, an axle hub and an axle bearing assembled into one unit, the axle hub and the outer joint member being separably joined in a socket-and-spigot joint fashion, face splines being formed in opposing end surfaces of the axle hub and the outer joint member, one of double rows of inner raceways of the axle bearing being formed in the outer joint member, and quench-hardened layers of the inner raceways and quench-hardened layers of the face splines being formed continuously. A heat-affected zone incident to the quench-hardened inner raceway of the outer joint member may also be formed continuously with a heat-affected zone incident to quench-hardened ball grooves of the outer joint member.

REFERENCES:
patent: 4893960 (1990-01-01), Beier et al.
patent: 5536098 (1996-07-01), Schwarzler
patent: 5780165 (1998-07-01), Fukumoto et al.
patent: 5974665 (1999-11-01), Frielingsdorf et al.

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