| 摘要 |
Provided is a cylindrical roller bearing for a turbo refrigerator, in which a silicon-containing DLC coating film is formed on the surface of an inner ring raceway and the concentration of silicon at the outermost surface of the DLC coating film is 1-17 atom %. By using this silicon-containing DLC coating film, it is possible to prevent, over a long period of time, damage caused by skidding. |
