This is a genuine manufacturer sourced replacement part, it is specially designed for use with Fein power tools. The purpose of the brush is to conduct the current in an electric motor which powers the tool, over time due to contact with an armature the material will wear away eventually requiring a replacement to ensure peak performance....Read more It is a high-quality component which is made of durable carbon with an attached lead wire and is sold individually.
This is an original Fein replacement part manufactured for use with electric powertools. The groove ball bearing is used to reduce friction between the rotating armature and the motor housing. This groove ball bearing is available as an individual replacement part, please see model diagram for associative parts.