Title:
BEARING DEVICE FOR WHEEL
Document Type and Number:
Japanese Patent JP2020002970
Kind Code:
A
Abstract:
To provide a bearing device for a wheel which can inhibit a lip of an elastic body of a seal ring from being immersed in mud water accumulated between the seal ring and a dust cover and thereby inhibit wear of the lip while maintaining a foreign object entry prevention function of the dust cover.SOLUTION: A bearing device 1 for a wheel includes: an inner member 3 to which a wheel is attached; an outer member 2 supporting the inner member 3 through rolling elements 4; a slinger 7 having a fitting part 71 fitted in the inner member 3 and a standing plate part 72 extending to the radial outer side; a seal ring 6 having a core grid 61 attached to the outer member 2 and an elastic body 62 formed with an outer lip 621 which slidably contacts with the standing plate part 72 of the slinger 7; and a dust cover 8 having a shield part 82 extending from a fitting part 81 fitted on the outer member 3 to the radial inner side. The dust cover 8 has an annular shape in which a through hole 80 is formed at a center part of the shield part 82. An inner diameter of the through hole 80 is smaller than an outer diameter of the slinger 7 and larger than an outer diameter of the outer lip 621.SELECTED DRAWING: Figure 1
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Inventors:
MIZUNO YUKI
KOMA YUTAKA
KOMA YUTAKA
Application Number:
JP2018120751A
Publication Date:
January 09, 2020
Filing Date:
June 26, 2018
Export Citation:
Assignee:
JTEKT CORP
International Classes:
F16C33/78; F16C19/18
Domestic Patent References:
| JP2008151311A | 2008-07-03 | |||
| JP2008157796A | 2008-07-10 | |||
| JP2012154374A | 2012-08-16 |
Attorney, Agent or Firm:
Hirata International Patent Office