GREASE COMPOSITION AND GREASE-SEALED ROLLER BEARING

Title:

GREASE COMPOSITION AND GREASE-SEALED ROLLER BEARING

Document Type and Number:

WIPO Patent Application WO/2006/064869

Kind Code:

A1

Abstract:

A heat resistant and at-cold abnormal noise preventive grease composition that is capable of surely preventing any occurrence of abnormal noise at cold and is capable of attaining prolonged life at high temperature; and a grease-sealed roller bearing. The heat resistant and at-cold abnormal noise preventive grease composition contains a base oil, a thickening agent and an additive, and exhibits a consistency upon mixing of ≤ 300 at 25°C and a consistency before mixing of ≥ 200 at -20°C, and is used in a roller bearing. The grease-sealed roller bearing comprises an inner ring, an outer ring and rolling elements interposed between the inner ring and the outer ring, wherein the above grease composition is sealed so as to surround the rolling elements. The grease-sealed roller bearing is used in auxiliary machines of automobile electrical equipment.

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WO/2009/116282	FREEZING DEVICE

Inventors:

KAWAMURA TAKAYUKI

Application Number:

PCT/JP2005/023035

Publication Date:

June 22, 2006

Filing Date:

December 15, 2005

Export Citation:

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Assignee:

NTN TOYO BEARING CO LTD (JP)
KAWAMURA TAKAYUKI

International Classes:

C10M171/00; C10M169/00; F16C33/66; C10M105/02; C10M105/18; C10M105/32; C10M107/02; C10M115/08; C10M137/10; C10M145/14; C10N20/00; C10N20/02; C10N30/00; C10N30/02; C10N30/06; C10N30/08; C10N40/02; C10N50/10

Foreign References:

JPH10130682A	1998-05-19
JP2002221231A	2002-08-09
JPH08176578A	1996-07-09
JPH09208982A	1997-08-12
JP2003106338A	2003-04-09

Other References: