| 摘要 |
PROBLEM TO BE SOLVED: To obtain a lubricating oil composition for bearing, capable of improving a bearing life, especially a lubricating oil composition for rolling bearing. SOLUTION: This lubricating oil composition for bearing is obtained by mixing a lubricating oil composition containing one or more metals selected from the group consisting of an over based Ca sulfonate, Mg sulfonate and Ca phenate with 0.01-1.0 wt.% calculated as zinc amount based on the total of the lubricating oil composition of zinc naphthenate or zinc salt of a 6-18C fatty acid. |
