BEARING DEVICE FOR WHEEL

WIPO Patent Application WO/2007/111316

A1

A bearing device for a wheel has a rolling bearing (2); an inner shaft (1), on the outer periphery of which an inner ring (24) of the rolling bearing (2) is installed; a coupler ring (3) fitted to an end of the inner shaft (1); and a staking part (15) formed at the end of the inner shaft (1) to fix the coupler ring (3) and the rolling bearing (2) to the inner shaft (1) in such a way that they cannot move in the axial direction of the inner shaft (1). The outer diameter dl of the coupler ring (3) is set smaller than the diameter d2 of the shoulder part (23c) of the inner ring (24). Alternatively, projection parts (231, 301) are formed on either of mutually facing end faces of both the coupler ring (3) and the inner ring (24), which causes the coupler ring (3) to be disposed away from a seal member (26). Consequently, interference between the coupler ring (3) and the seal member (26) is prevented.

KAMIKAWA TSUYOSHI (JP)
TAKADA YOSHITO (JP)
DEGUCHI MASARU (JP)
ADACHI KEN (JP)
TSUZAKI YOUICHI (JP)
YAMAMOTO SEIJI (JP)
YU CHANGXIN (JP)
TAKIMOTO MASAO (JP)
ISHIKAWA TETSUYA (JP)
NAGATA SYUUJI (JP)

PCT/JP2007/056260

October 04, 2007

March 26, 2007

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JTEKT CORP (JP)
KAMIKAWA TSUYOSHI (JP)
TAKADA YOSHITO (JP)
DEGUCHI MASARU (JP)
ADACHI KEN (JP)
TSUZAKI YOUICHI (JP)
YAMAMOTO SEIJI (JP)
YU CHANGXIN (JP)
TAKIMOTO MASAO (JP)
ISHIKAWA TETSUYA (JP)
NAGATA SYUUJI (JP)

B60B35/14; B60B35/18; F16C19/38; F16C35/063; F16C41/00

JP2003507683A	2003-02-25
JP2001163003A	2001-06-19
JP2003205833A	2003-07-22
JPS60139525U	1985-09-14

ONDA, Hironori (Ohmiya-cho 2-chomeGifu-shi, Gifu, JP)

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