abstract |
(57) [Problem] To provide a grease composition for a rolling bearing excellent in the peeling life of the rolling bearing. The grease composition for a rolling bearing contains a thiocarbamic acid derivative represented by the formula (1) in an amount of 0.05 to 10% by mass based on the total amount of the composition. Embedded image (R 1 , R 2 , R 3 , R 4 : the same or different groups, a hydrocarbon group having 1 to 13 carbon atoms, X: S—Cu—S, S—Ni -S, S, S-S, S-S-S-S, S-CH 2 -S, S- (CH 2) 2 -S or S- (CH 2) 3 -S) |