Title:
GREASE COMPOSITION AND BEARING
Document Type and Number:
WIPO Patent Application WO/2007/102266
Kind Code:
A1
Abstract:
A grease composition that is suitable for use in a rolling bearing exposed to high
temperature and that exhibits stable lubricity for a prolonged period of time;
and a bearing having the same sealed therein. There is provided a grease composition
comprising (a) base oil, (b) thickening agent, (c) any of alkylthiocarbamoyl
having compounds of the general formula (1): (1) (wherein each of R1,
R2, R3 and R4 independently is a C1-C20
alkyl, and X is S, S-S, S-CH2-S, S-CH2CH2-S or
S-CH2CH2CH2-S) and (d) amine-ketone condensate
antioxidant. Further, the grease composition may contain (e) metal inactivator.
Inventors:
SAITA OSAMU (JP)
ONUKI YUJI (JP)
ONUKI YUJI (JP)
Application Number:
PCT/JP2006/325056
Publication Date:
September 13, 2007
Filing Date:
December 15, 2006
Export Citation:
Assignee:
KYODO YUSHI (JP)
SAITA OSAMU (JP)
ONUKI YUJI (JP)
SAITA OSAMU (JP)
ONUKI YUJI (JP)
International Classes:
C10M141/08; F16C33/66; C10M117/04; C10M133/16; C10M133/40; C10M135/18; C10N10/02; C10N30/08; C10N40/02; C10N50/10
Foreign References:
| JP2005509732A | 2005-04-14 | |||
| JPS5911397A | 1984-01-20 | |||
| JP2004506779A | 2004-03-04 | |||
| JP2003119483A | 2003-04-23 | |||
| JPH0331760B2 | 1991-05-08 | |||
| JP2005509732A | 2005-04-14 | |||
| JP2936084B2 | 1999-08-23 |
Attorney, Agent or Firm:
KUMAKURA, Yoshio et al. (Shin-Tokyo Bldg. 3-1, Marunouchi 3-chom, Chiyoda-ku Tokyo 55, JP)
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