Shaft bearing for electrical machine, especially 3-phase motor, has aluminum metal bush with electrically conducting coating formed by anodized coating; metal bush can be anodized over entire surface

摘要

The shaft bearing has a roller bearing with its outer ring (6) accommodated in a fixed bearing seat (7), where a metal bush (8) with an electrically conducting coating is arranged between the outer ring and the bearing seat. The metal bush consists of aluminum and its electrically conducting coating is formed by an anodized coating. The metal bush can be anodized over its entire surface.