Combining incredible high rates of speed with challenging atmospheric conditions, turbo molecular pumps push bearings to new extremes. Alpine Bearing has worked together with world-class manufacturers to develop replacement bearings for both ball bearing and magnetic levitation (mag-lev) turbo molecular pumps. The workhorse of turbo pump bearings, turbo pump ball bearings allow for instant start-up of your pump, high speed and quiet operation. Not finding your pump model or size listed? Alpine Bearing is constantly developing new sizes and values your input and questions.