For two bearings turbocharger the rotor lateral displacement in way of bearings are converged generally, but if the bearing clearance is selected too small the rotor system will unstable.

• 两轴承的涡轮增压机可有基本的稳定性，研究中发现轴承间隙太小会是造成两轴承转子系统不稳定的主要因素之一。