申请人:KYODO YUSHI CO., LTD.
公开号:US20150299608A1
公开(公告)日:2015-10-22
The invention provides a grease composition for hub unit bearing, having (a) as a base oil a mixture of a hydrocarbon synthetic oil and an ester type synthetic oil, with the content of the ester type synthetic oil being 20 to 50 parts by mass with respect to 100 parts by mass of the total of the hydrocarbon synthetic oil and the ester type synthetic oil, and the base oil having a kinematic viscosity at 40° C. of 20 to 80 mm
2
/s, and (b) as a thickener a urea compound.