Investigation on the influence of assembly parameters on the overall performance of paired tapered roller bearings

The assembly parameters of bearings are critical to the operational performance of rolling bearings. However, the relationship between these assembly parameters and service performance indicators remains unclear. To address this significant issue, this paper innovatively establishes a quasi-static model for paired tapered roller bearings. First, it establishes the correlation between assembly process parameters, such as preload and interference, and the clearance. Secondly, this study examines the differences in contact stress distribution and oil film thickness between the bearing rollers, raceways, and flanges under varying assembly parameters. Additionally, the influence of assembly process parameters on bearing performance metrics, including bearing stiffness, friction torque, and service life, is discussed. Finally, the validity of the simulation model is verified by the service performance test bench of the tapered roller bearing, and the influence of the assembly and adjustment process parameters on the service performance parameters of the matched tapered roller bearing is determined, so as to provide theoretical guidance for the bearing assembly and adjustment site.