Title:
BEARING DEVICE FOR WHEEL
Document Type and Number:
WIPO Patent Application WO/2020/255945
Kind Code:
A1
Abstract:
Provided is a bearing device for a wheel, which has improved axial assembly accuracy of a sealing member by reducing the amount of springback. The bearing device (1) for a wheel comprises an inner sealing member (6) that blocks an inner opening end of an annular space (S) formed by an outer ring (2) and an inner ring (4). A sealing ring (62) of the inner sealing member (6) has a core metal (64) fitting in the outer ring (2) and an elastic member (65) joined to the core metal (64). The elastic member (65) has: a pressing part (654) that is pressed inward in the axial direction when the sealing ring (62) is press-fitted into the outer ring (2); and a non-pressing part (655) that is not pressed inward in the axial direction when the sealing ring (62) is press-fitted into the outer ring (2), wherein the axial thickness (T1) of the pressing part (654) is thinner than the axial thickness (T2) of the non-pressing part (655).
Inventors:
FURUKAWA TASUKU (JP)
TAMAKI SHUN (JP)
TAMAKI SHUN (JP)
Application Number:
PCT/JP2020/023532
Publication Date:
December 24, 2020
Filing Date:
June 16, 2020
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/18; B60B35/14; F16C33/78; F16J15/3232; F16J15/3256
Foreign References:
| JP2008064195A | 2008-03-21 | |||
| JP2008045673A | 2008-02-28 | |||
| JPH11304827A | 1999-11-05 | |||
| JP2017067245A | 2017-04-06 | |||
| JP2006118553A | 2006-05-11 |
Other References:
See also references of EP 3988806A4
Attorney, Agent or Firm:
YANO INTERNATIONAL PATENT ATTORNEYS OFFICE, P.C. (JP)
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