| 摘要 |
PROBLEM TO BE SOLVED: To obtain a lubricant composition which can prevent a rolling bearing used under severe conditions from reaching its fatigue life at an early stage, enables the life to be extended and is excellent in heat resistance by compounding a fluorine-containing base oil with a fluororesin-based thickener and an organic antimony compound or an organic molybdenum compound. SOLUTION: This composition it prepared by compounding 100 pts.wt. component comprising 70-80 wt.% fluorine-containing synthetic oil having a kinematic viscosity (40 deg.C) of 140-260 mm2/s and 30-20 wt.% fluororesin-base thickener with 2-25 pts.wt. compound selected from among antimony dithiocarbamates of formula I, antimony dithiophosphate of formula II, molybdenum dithiocarbamates of formula III and molybdenum dithiophosphates of formula IV. The composition is filled into a gap between a rolling element and an outer ring. In the formulas, R1 to R8 are each H, an alkyl or an aryl; and (m), (x) and (y) are each an arbitrary number.
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