GREASE COMPOSITION AND ROLLING BEARING
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United States of America Patent
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Issued Date -
Jul 6, 2023
app pub date -
Apr 7, 2021
filing date -
Jun 5, 2020
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Abstract
There is provided a grease composition for improving the chemical stability of the grease composition and increasing the fatigue life of a member in which the grease composition is used. The problems can be solved by a grease composition including a poly-α-olefin; a urea-based thickener; molybdenum dithiophosphate; and barium sulfonate, wherein a difference between an SP value of the urea-based thickener and an SP value of the poly-α-olefin is 3.5 or less.
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