Title:
GREASE COMPOSITION FOR ROLLING BEARINGS
Document Type and Number:
WIPO Patent Application WO/1997/000927
Kind Code:
A1
Abstract:
A grease composition for rolling bearings, which comprises 100 parts by weight of a base oil and 10 to 60 parts by weight of a diurea mixture, as a thickening agent, comprising 25 to 90 mole % of a diurea compound of general formula (1), 9 to 50 mole % of a diurea compound of general formula (2) and 1 to 30 mole % of a diurea compound of general formula (3) (wherein R1 is a C7-C12 hydrocarbon group containing an aromatic ring; R2 is a C6-C15 divalent hydrocarbon group containing an aromatic ring; and R3 is cyclohexyl or C7-C12 alkylcyclohexyl) and having an R1/(R1 + R3) ratio of 0.55 to 0.95.
Inventors:
NAKA MICHIHARU (JP)
YOKOUCHI ATSUSHI (JP)
KOIZUMI HIDEKI (JP)
ISO KENICHI (JP)
KINOSHITA HIROTUGU (JP)
NOMURA SOUICHI (JP)
ITANO FUMIHIRO (JP)
YOKOUCHI ATSUSHI (JP)
KOIZUMI HIDEKI (JP)
ISO KENICHI (JP)
KINOSHITA HIROTUGU (JP)
NOMURA SOUICHI (JP)
ITANO FUMIHIRO (JP)
Application Number:
PCT/JP1996/001709
Publication Date:
January 09, 1997
Filing Date:
June 20, 1996
Export Citation:
Assignee:
NSK LTD (JP)
NIPPON OIL CO LTD (JP)
NAKA MICHIHARU (JP)
YOKOUCHI ATSUSHI (JP)
KOIZUMI HIDEKI (JP)
ISO KENICHI (JP)
KINOSHITA HIROTUGU (JP)
NOMURA SOUICHI (JP)
ITANO FUMIHIRO (JP)
NIPPON OIL CO LTD (JP)
NAKA MICHIHARU (JP)
YOKOUCHI ATSUSHI (JP)
KOIZUMI HIDEKI (JP)
ISO KENICHI (JP)
KINOSHITA HIROTUGU (JP)
NOMURA SOUICHI (JP)
ITANO FUMIHIRO (JP)
International Classes:
C10M115/08; C10M169/00; C10M169/02; F16C33/66; C10N20/02; C10N30/06; C10N30/08; C10N40/02; C10N40/04; C10N50/10; (IPC1-7): C10M169/02
Foreign References:
| JPS61155496A | 1986-07-15 | |||
| JPH01259097A | 1989-10-16 | |||
| JPH0379698A | 1991-04-04 |
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