| 摘要 |
A lubricating oil composition of the invention contains: (a) a base oil for a lubricating oil having a kinematic viscosity at 100 degrees C in a range of 2 mm 2 /s to 10 mm 2 /s; and (b) a poly-alpha-olefin having a kinematic viscosity at 100 degrees C in a range of 15 mm 2 /s to 300 mm 2 /s, the poly-alpha-olefin (b) being produced using a metallocene catalyst, a content of the poly-alpha-olefin (b) being 20 mass% or more based on a total amount of the composition.
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