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Title:
GREASE COMPOSITION AND BEARING
Document Type and Number:
Japanese Patent JP2013112711
Kind Code:
A
Abstract:

To provide a grease composition which has excellent conductivity in comparison with a conventional grease composition and can rapidly remove static electricity generated by use of a bearing.

The grease composition includes a base oil, a thickener, and a tungsten disulfide powder with the average particle diameter of 0.5-5.0 μm. A content of the tungsten disulfide powder is 2.0-4.0 pts.mass based on 100 pts.mass of the total content of the base oil and the thickener.


Inventors:
IWAMATSU HIROKI
SACHI KENJI
OKUMIYA MASAHIRO
Application Number:
JP2011258234A
Publication Date:
June 10, 2013
Filing Date:
November 25, 2011
Export Citation:
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Assignee:
NIPPON GREASE KK
International Classes:
C10M171/06; C10M125/22; F16C19/06; F16C33/66; C10N10/12; C10N20/00; C10N20/06; C10N30/00; C10N40/02; C10N50/10
Domestic Patent References:
JP2008266424A2008-11-06
JP2006316081A2006-11-24
JPH02248496A1990-10-04
JP2007197614A2007-08-09
JP2008297375A2008-12-11
JP2006298963A2006-11-02
JP2006335102A2006-12-14
JP2008266424A2008-11-06
JP2006316081A2006-11-24
JPH02248496A1990-10-04
Attorney, Agent or Firm:
Kawamura Taku
Yousuke Fujimori
Keiko Kato
Masahiro Mishima



 
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