| 摘要 |
An object of the present invention is to provide a bearing system or a sealing system which has excellent durability when used with the purified water as a lubricating liquid. The present invention relates to a purified water-lubricated bearing system or a purified water-lubricated sealing system having a movable member and a stationary member, in which purified water having an electrical resistance in a range of 1-18.25 M&OHgr;cm is used as a lubricating liquid. The bearing system or the sealing system is characterized in that a diamond-like carbon film is formed over a slide surface of at least one of said movable member and said stationary member. |
