Title:
SEAL MEMBER FOR ROLLING DEVICE AND ROLLING BEARING FOR WHEEL SUPPORT
Document Type and Number:
Japanese Patent JP2015045400
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To attain lower seal torque than that in a case of using a grease composition, in a seal member which includes an elastic member having a slinger and a seal lip slidably contacting with the slinger.SOLUTION: A seal member for a rolling device includes an elastic member having a slinger and a seal lip slidably contacting with the slinger; is composed of mineral oil or synthetic hydrocarbon oil, or a mixed oil thereof, so as to occupy 5-20 vol.% of a seal internal space; and encapsulates a lubricant composition containing base oil whose kinetic viscosity at 40°C is 10-50 mm, thickener composed of amino acid-based gelatinizer or a benzylidene sorbitol derivative, or a mixture thereof.
More Like This:
Inventors:
MATSUMOTO KANEAKI
KASAHARA YUUKI
SONODA KENTARO
KASAHARA YUUKI
SONODA KENTARO
Application Number:
JP2013178243A
Publication Date:
March 12, 2015
Filing Date:
August 29, 2013
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/78; C10M101/02; C10M105/04; C10M107/02; C10M115/04; C10M115/08; C10M169/02; F16C19/18; F16J15/3232; F16J15/324; F16J15/3284
Attorney, Agent or Firm:
Yuriko Hamada
Hironori Honda
Hironori Honda