Patent ID: 6063740
Filing Date: 2000-05-16
Classification: C10M,C10N,F16C

Abstract:
A grease composition for rolling bearing comprising a base oil selected from the group consisting of a hydride of a poly .alpha.-olefin, a polyol ester, an alkyldiphenyl ether and mixtures thereof, a thickener selected from the group consisting of a urea compound, a urea-urethane compound, a urethane compound and mixtures thereof and a thiocarbamate derivative represented by the formula (1): ##STR10## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different groups and denote a hydrocarbon group having 1 to 18 carbon atoms, and X denotes S--Cu--S, S--Ni--S, S, S--S, S--S--S--S, S--CH.sub.2 --S, S--(CH.sub.2).sub.2 --S or S--(CH.sub.2).sub.3 --S, wherein the amounts of said thickener and said thiocarbamate derivative are 2 to 30 mass % and 0.05 to 10 mass %, respectively, with respect to the total amount of said grease composition.