| abstract |
The objective of the present invention is to provide an ester-based lubricating base oil for a fluid dynamic bearing, the lubricating base oil having a high viscosity index and having excellent evaporation resistance, hydrolysis stability, and a low temperature fluidity. The present invention relates to a lubricating base oil for a fluid dynamic bearing, the lubricating base oil containing a compound represented by general formula (1) [In the formula, R 1 represents a linear alkyl group having 2-16 carbon atoms. m represents an integer of 2-10. In addition, n represents an integer of 4-14.] |