Lexicon DIY-Knowledge





The bearings which support the mechanically moving parts in an electric power tool are subject to various types of stress. The correct choice of bearing has a decisive influence on the service life of the appliance. Maintenance-free self-lubricating friction bearings made of sintered metal are mainly used in high-speed appliances. Radial ball bearings absorb the impact and rotary motion of an impact drill spindle. The whole range of bearings is used in accordance with their special purpose.