Title:
GREASE COMPOSITION, ROLLING BEARING AND HUB BEARING
Document Type and Number:
Japanese Patent JP2019077765
Kind Code:
A
Abstract:
To provide a grease composition which can reduce a rotational torque by behavior of grease that becomes channeling when used by filling the same in a rolling bearing and a hub bearing, and a rolling bearing and a hub bearing that are filled with the grease composition.SOLUTION: A grease composition 7 comprises a base oil and a thickener. The base oil comprises at least one selected from a mineral oil and a synthetic oil, the thickener comprises an aromatic diurea compound as a first thickener, and a second thickener, the second thickener is a mixture of organically modified bentonite and mineral, organically modified bentonite, or silica, the first thickener is contained in the amount of 5 to 15 mass% based on a total weight of the grease composition, the second thickener is contained in the amount of 4 to 10 mass% based on the total weight of the grease composition, and the first thickener and the second thickener are contained in the total amount of 13.5 to 25 mass% with respect to an entire grease composition.SELECTED DRAWING: Figure 1
Inventors:
SATO YOJI
Application Number:
JP2017205057A
Publication Date:
May 23, 2019
Filing Date:
October 24, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
C10M169/02; C10M101/02; C10M105/18; C10M107/02; C10M113/10; C10M113/12; C10M115/08
Attorney, Agent or Firm:
Wake Hikari
Wake Manipulation
Wake Manipulation