Journal of Mechanical Engineering Science and Technology (JMEST)
Abstract
Bearings are critical components in rotating machinery, and their performance is highly influenced by operational factors such as rotational speed, load, and lubrication. This study aims to analyze the deformation, stress, and dynamic behavior of SAE 52100 bearings under dry operating conditions at various rotational speeds, as well as to propose mitigation strategies for high-speed industrial applications. A finite element simulation was conducted using ANSYS R19.2 to evaluate the total deformation, equivalent elastic strain, Von Mises stress, and vibrational characteristics of a 6204-type SAE 52100 bearing. The simulations were performed across a speed range of 600 to 2000 RPM under dry conditions. The model incorporates standard mechanical properties of SAE 52100 steel and replicates real operational geometry and load scenarios. The results indicate that both deformation and stress levels increase significantly with speed, with critical concentrations occurring at the inner raceway and ball contact regions. Resonance phenomena were observed around 1100 RPM, leading to high-amplitude vibrations and localized structural strain. Von Mises stress rose non-linearly with speed, suggesting elevated risks of fatigue failure. The absence of lubrication exacerbates wear, heat generation, and mechanical instability. This study highlights the importance of effective lubrication, vibration monitoring, and design optimization. Future work should incorporate thermal effects, transient loads, and experimental validation to enhance the applicability of the findings for predictive maintenance strategies in high-speed machinery.
Recommended Citation
Dwiki, Billy and Hartono, Moh.
(2025)
"Simulation of Stress, Deformation, and Vibration in Unlubricated Ball Bearings at Varying Rotational Speeds,"
Journal of Mechanical Engineering Science and Technology (JMEST): Vol. 9:
No.
2, Article 6.
Available at:
https://citeus.um.ac.id/jmest/vol9/iss2/6