Title:
ROLLER BEARING FOR SUPPORTING WHEEL
Document Type and Number:
WIPO Patent Application WO/2023/085381
Kind Code:
A1
Abstract:
This roller bearing for supporting a wheel comprises: an inner race fixed to a wheel; an outer race fixed to a vehicle body; and a plurality of needle-like rollers disposed between the inner race and the outer race so as to be rollable. The inner race has a first raceway surface facing the outer race in the radial direction, and a second raceway surface and a third raceway surface facing the outer race in the axial direction. The second raceway surface is positioned on the inner side in the axial direction with respect to the outer race, and the third raceway surface is positioned on the outer side in the axial direction with respect to the outer race. The plurality of needle-like rollers include a plurality of first needle-like rollers disposed between the first raceway surface and the outer race, a plurality of second needle-like rollers disposed between the second raceway surface and the outer race, and a plurality of third needle-like rollers disposed between the third raceway surface and the outer race.
Inventors:
HAGIWARA NOBUYUKI (JP)
Application Number:
PCT/JP2022/041986
Publication Date:
May 19, 2023
Filing Date:
November 10, 2022
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16C19/48; B60B35/14; F16C43/04
Domestic Patent References:
| WO2019026358A1 | 2019-02-07 |
Foreign References:
| JPS5642719A | 1981-04-21 | |||
| GB932571A | 1963-07-31 | |||
| JP2019206978A | 2019-12-05 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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