A wind turbine should run for 20 years with an availability of 95-98%. During this period maintenance is needed with an approximate frequency of every 6 months. Therefore reliability is the primary driver for its design. Our XEZ brand hybrid ceramic bearings for generators feature ceramic balls with excellent insulation performance which additionally prevents high temperatures while rotating. Compared to regular types, our hybrid ceramic bearings improve the efficiency of use; reduce the frequency of re-lubrication and of preventive maintenance.