| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a roller bearing for a compressor used under a lubricating condition wherein a lubricant is mixed with a refrigerant, capable of surely preventing the intrusion of hydrogen into steel even when the generation of hydrogen is increased because of the change of a use environment and lubricating environment, and preventing hydrogen brittle short life separation. <P>SOLUTION: In this roller bearing for the compressor used under the mixed lubricating condition of hydrofluorocarbon as the refrigerant and the lubricant dissolved in the refrigerant, at least one of a rolling element 1d and bearing rings 1a, 1b has a film mainly composed of nickel (Ni) or copper (Cu). <P>COPYRIGHT: (C)2003,JPO</p> |
