| abstract |
A lubricating oil composition having both a high viscosity index and a high shear stability, a lubricating method using the same, and a transmission are provided. SOLUTION: (1) A mineral oil having a kinematic viscosity at 100 ° C. of 2.5 mm 2 / s to 5 mm 2 / s, and (2) a polymethacrylate having a predetermined structural unit and having a functional group containing an oxygen atom in the molecule. A lubricating oil composition, a lubricating method using the same, and a transmission. [Selection figure] None |