Title:
GREASE COMPOSITION AND ROLLING BEARING
Document Type and Number:
Japanese Patent JP2021050318
Kind Code:
A
Abstract:
To provide: a grease composition which can suppress electrolytic corrosion in a rolling bearing; and a rolling bearing.SOLUTION: The grease composition comprises a base oil, a thickener, and a conductive additive. The conductive additive, which is a mixture containing sepiolite and bentonite, comprises an organic modification additive and sorbitan laurate. A content of the organic modification additive is Y mass% with respect to a total amount of the base oil and the thickener, and the content of the sorbitan laurate is X mass% with respect to the total amount of the base oil and the thickener. X and Y satisfy mathematical formulas (1) to (4).SELECTED DRAWING: Figure 1
Inventors:
HAGINO YURIE
TSUDA TAKESHI
TSUDA TAKESHI
Application Number:
JP2020072677A
Publication Date:
April 01, 2021
Filing Date:
April 15, 2020
Export Citation:
Assignee:
JTEKT CORP
International Classes:
C10M125/30; C10M105/36; C10M129/74; F16C33/66
Attorney, Agent or Firm:
Patent Business Corporation Suncrest International Patent Office