Title:
GREASE COMPOSITION AND BEARING
Document Type and Number:
WIPO Patent Application WO/2010/035826
Kind Code:
A1
Abstract:
A grease composition suitable for being sealed in a rolling bearing which is lubricated at a high temperature, and a bearing in which the grease composition is sealed. Specifically disclosed is a grease composition containing a base oil, a urea thickening agent and an additive, which is characterized in that the additive contains an overbased metal sulfonate and the overbased metal sulfonate content is 0.05-1.00% by mass relative to the total amount of the grease composition. Also specifically disclosed is a bearing in which the grease composition is sealed.
Inventors:
IMAI YUTAKA (JP)
ONUKI YUJI (JP)
ONUKI YUJI (JP)
Application Number:
PCT/JP2009/066762
Publication Date:
April 01, 2010
Filing Date:
September 28, 2009
Export Citation:
Assignee:
KYODO YUSHI (JP)
IMAI YUTAKA (JP)
ONUKI YUJI (JP)
IMAI YUTAKA (JP)
ONUKI YUJI (JP)
International Classes:
C10M169/06; C10M105/18; C10M107/02; C10M115/08; C10M159/24; F16C33/66; C10N20/00; C10N30/08; C10N40/00; C10N40/02; C10N40/04; C10N50/10
Foreign References:
| JP2002053884A | 2002-02-19 | |||
| JP2008001864A | 2008-01-10 | |||
| JP2000026883A | 2000-01-25 | |||
| JP2000087071A | 2000-03-28 | |||
| JPH0598280A | 1993-04-20 | |||
| JPH0617079A | 1994-01-25 | |||
| JPH04253796A | 1992-09-09 | |||
| JP2002053884A | 2002-02-19 | |||
| JP2003321694A | 2003-11-14 |
Other References:
See also references of EP 2348094A4
TOSHIO SAKURAI: "Sekiyu Seihin Tenkazai", 15 May 1973, SAIWAI SHOBO CO., pages: 379 - 380
TOSHIO SAKURAI: "Sekiyu Seihin Tenkazai", 15 May 1973, SAIWAI SHOBO CO., pages: 379 - 380
Attorney, Agent or Firm:
KUMAKURA Yoshio et al. (JP)
Sadao Kumakura (JP)
Sadao Kumakura (JP)
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