CYLINDRICAL ROLLER BEARING FOR TURBO REFRIGERATOR

摘要

PROBLEM TO BE SOLVED: To provide a roller bearing for a free side bearing of a turbo refrigerator which can prevent the damage caused by skidding for a long time and is useful as a substitute of a combination angular ball bearing.SOLUTION: In a cylindrical roller bearing for a turbo refrigerator, a composite solid lubricant film having a TiN film as a lower layer and an MoSfilm as an upper layer is formed on an inner ring raceway surface.SELECTED DRAWING: Figure 1