Robust and expertly made special pumps in Vacoas meet high demands with no compromise on quality. Our special pumps handle tough fluids, unusual pressures, and unique conditions that standard pumps can't take. Bearing preload is a key factor here. It helps keep the pump's parts tight, stopping wear and tear early on.Careful bearing preload adjusts how much load bearings carry inside the pump. Too much or too little preload can cause damage fast, ... Continue