Title:
GREASE COMPOSITION AND ROLLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/200098
Kind Code:
A1
Abstract:
Provided are: a grease composition which has a high biodegradablility, and is capable of achieving lower torque and longer life when used enclosed, for example, in a rolling bearing; and a rolling device which uses the grease composition for lubrication. A rolling bearing 1 has a grease composition 7 enclosed around a rolling element 4. The grease composition 7 includes a base oil and a thickener, which is a fine cellulose fiber such as a cellulose nanofiber, and is included in amount of 0.1 to 15 mass% with respect to the total mass of the base oil and the thickener.
Inventors:
OBATA TOMOHIKO (JP)
FUJIWARA HIROKI (JP)
YOSHINO MASATO (JP)
NAKAYAMA YOSHIKAZU (JP)
INOUE HIDEAKI (JP)
FUJIWARA HIROKI (JP)
YOSHINO MASATO (JP)
NAKAYAMA YOSHIKAZU (JP)
INOUE HIDEAKI (JP)
Application Number:
PCT/JP2017/018903
Publication Date:
November 23, 2017
Filing Date:
May 19, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
HATTORI SHOTEN CO LTD (JP)
HATTORI SHOTEN CO LTD (JP)
International Classes:
C10M119/20; C10M169/02; C10M171/06; F16C33/66; C10M101/02; C10M101/04; C10M105/32; C10N20/00; C10N20/06; C10N30/00; C10N40/02; C10N50/10
Domestic Patent References:
| WO2016175258A1 | 2016-11-03 |
Foreign References:
| JP2013249449A | 2013-12-12 | |||
| JP2011208663A | 2011-10-20 | |||
| JP2016056931A | 2016-04-21 |
Attorney, Agent or Firm:
WAKI, Hikaru et al. (JP)
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