A thrust bearing is a particular type of rotary bearing. Like other rotary bearings they permit rotation between parts, but they are designed to support a high axial load while doing this.

Thrust bearing plays an important role in turbocharger performance. It endures the axial force which is caused by the unbalance between turbine wheel gas force and compressor wheel air force. Thrust bearing is usually fixed at compressor end. It not only has a direct impact on the working life and reliability of turbocharger but also influences the mechanical efficiency of turbocharger.  

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