GREASE COMPOSITION FOR ROLLING BEARINGS, AND ROLLING BEARING

WIPO Patent Application WO/2024/101310

A1

The present invention provides a grease composition for rolling bearings, the grease composition containing: a base oil; a thickening agent that is composed of a composite amide lithium soap; an antioxidant that is composed of 0.5 to 5% by mass of an amine antioxidant and 0.5 to 5% by mass of phenol antioxidant based on the total mass of the composition; and a rust inhibitor that is composed of 0.1 to 5% by mass of a carboxylic acid rust inhibitor, 0.1 to 5% by mass of a carboxylate salt rust inhibitor and 0.1 to 3% by mass of an amine salt of a fatty acid based on the total mass of the composition. This grease composition for rolling bearings has a 60-stroke worked penetration of 260 to 320 as determined in accordance with JIS K 2220 7.

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MIYAUCHI KAZUKI (JP)
AOKI TAICHI (JP)
IJIMA MASATOSHI (JP)
SONODA KENTARO (JP)
KAGOTA YOSHINARI (JP)
KOMATSU DAIKI (JP)

PCT/JP2023/039898

May 16, 2024

November 06, 2023

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KYODO YUSHI (JP)
NSK LTD (JP)

C10M169/06; C10M115/08; C10M117/02; C10M117/06; C10M129/10; C10M129/34; C10M129/76; C10M133/12; C10N10/02; C10N30/06; C10N40/02; C10N50/10

WO2010027019A1	2010-03-11
WO2009139371A1	2009-11-19
WO2011046079A1	2011-04-21

JP2010043183A	2010-02-25
JP2009209990A	2009-09-17
JPH0218497A	1990-01-22
JPS63108098A	1988-05-12
JPS4911607B1	1974-03-18
JP2014108999A	2014-06-12
JP2010024440A	2010-02-04

TANAKA Shinichiro et al. (JP)

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