Lubricating oil for fluid dynamic bearing and spindle motor equipped with the lubricating oil
申请人:KYODO YUSHI CO., LTD.
公开号:US10280382B2
公开(公告)日:2019-05-07
The invention provides a lubricating oil for fluid dynamic bearing including as a base oil a monoester oil free of unsaturated bond, and having an absolute viscosity of 2.0 to 3.0 mPa·s at 100° C. a viscosity index of 130 or more and a pour point of −20° C. or less.
本发明提供了一种用于流体动力轴承的润滑油,其基础油包括不含不饱和键的单酯油,在 100° C 时绝对粘度为 2.0 至 3.0 mPa-s,粘度指数为 130 或更高,倾点为 -20° C 或更低。
LUBRICATING OIL FOR FLUID DYNAMIC BEARING AND SPINDLE MOTOR EQUIPPED WITH THE LUBRICATING OIL
申请人:KYODO YUSHI CO., LTD.
公开号:US20160319215A1
公开(公告)日:2016-11-03
The invention provides a lubricating oil for fluid dynamic bearing including as a base oil a monoester oil free of unsaturated bond, and having an absolute viscosity of 2.0 to 3.0 mPa·s at 100° C. a viscosity index of 130 or more and a pour point of −20° C. or less.