Title:
BEARING SEALING DEVICE AND VEHICULAR BEARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/053666
Kind Code:
A1
Abstract:
Provided are a bearing sealing device and a vehicular bearing device that have excellent resistance to three-body abrasive wear even under an environment penetrated by mud water or the like, and with which it is possible to improve sealing performance. A bearing sealing device 11, which is attached between an outer race and an inner race to seal a bearing space, comprises a seal member 14 made of an elastic material, and a slinger 16 made of metal. The seal member 14 has a main lip 14b and a side lip 14c provided on the outside of the main lip 14b. Each of the lips 14b and 14c is in contact with the slinger 16 with a predetermined interference. The part of the slinger 16 in contact with the main lip 14b and the side lip 14c has a hardness HRC larger than 10.
Inventors:
AI DONGKELONG (JP)
SUGAI TOMOHIRO (JP)
SAKAGUCHI TOMOYA (JP)
OHKI CHIKARA (JP)
SUGAI TOMOHIRO (JP)
SAKAGUCHI TOMOYA (JP)
OHKI CHIKARA (JP)
Application Number:
PCT/JP2023/032487
Publication Date:
March 14, 2024
Filing Date:
September 06, 2023
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/18; F16C33/78; F16J15/3232; F16J15/3244; F16J15/3256
Foreign References:
| JP2018048682A | 2018-03-29 | |||
| JP2006349009A | 2006-12-28 | |||
| JP2018059586A | 2018-04-12 | |||
| JP2010014143A | 2010-01-21 | |||
| JP2003262231A | 2003-09-19 | |||
| JP2010281379A | 2010-12-16 |
Attorney, Agent or Firm:
WAKI Hikaru et al. (JP)
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