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Patent Searching and Data


Title:
BEARING WITH SEAL
Document Type and Number:
WIPO Patent Application WO/2018/047820
Kind Code:
A1
Abstract:
Provided is a bearing with a seal for which seal torque is small and the bearing temperature is not susceptible to increase. A seal member (7) has a rubber seal lip (10) on which multiple protrusions (15) that are in sliding contact with an inner ring (2) in a fluid lubricated state are provided at intervals in the circumferential direction and each protrusion (15) has a shape such that a cross-section along the circumferential direction forms an arc with a radius R of 0.4 mm to less than 9.0 mm.

Inventors:
SASAKI KATSUAKI (JP)
SUGAI TOMOHIRO (JP)
WAKUDA TAKAHIRO (JP)
Application Number:
JP2017/031960
Publication Date:
March 15, 2018
Filing Date:
September 05, 2017
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C33/78; F16C19/06; F16C33/66; F16J15/3204; F16J15/324
Foreign References:
FR2636691A11990-03-23
JPH0942463A1997-02-14
JP2013002564A2013-01-07
JP2013209997A2013-10-10
Other References:
See also references of EP 3511588A4
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
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