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Lubricants
Special Issues
Advanced Lubrication and Mechanics for Rolling Bearing
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Advanced Lubrication and Mechanics for Rolling Bearing

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: 31 December 2026 | Viewed by 810

Special Issue Editors

Dr. Baogang Wen

E-Mail Website
Guest Editor
School of Mechanical Engineering and Automation, Dalian Polytechnic University, Dalian 116034, China
Interests: mechanical analysis of rolling bearing; digital simulation of rolling bearing; advanced testing technology and equipment of rolling bearing; lubrication
Dr. Jingyu Zhai

E-Mail Website
Guest Editor
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: dynamics analysis of rotating machinery; advanced damping and vibration control technology
Special Issues, Collections and Topics in MDPI journals
Dr. Pengfei Wang

E-Mail Website
Guest Editor
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: rotor dynamics and fault diagnosis; nonlinear vibration

Special Issue Information

Dear Colleagues,

Mechanics and lubrication are believed to provide the most important basis for rolling bearing design and operation, and these factors will directly affect bearings’ operational life and reliability. Advanced numerical simulation and experimental testing methods for contact and fluid mechanics are required to determine mechanical and lubrication behaviors under different conditions.

This Special Issue will showcase the latest research achievements in this field, focusing on mechanical modeling, lubrication mechanisms, failure analysis, and testing methods for rolling bearings and promoting the cross-integration of multiple disciplines such as mechanics, tribology, and diagnostics.

Dr. Baogang Wen
Dr. Jingyu Zhai
Dr. Pengfei Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Lubricants is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • lubrication
  • mechanical models
  • vibration
  • testing technology
  • wear
  • simulation method

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

22 pages, 3039 KB  
Article
Probabilistic Life Assessment of Spherical Roller Bearings with Angular Misalignment
by Joss Klausner Likibi, Baogang Wen, Xia Zhao, Zhange Zhang and Jingyu Zhai
Lubricants 2026, 14(4), 169; https://doi.org/10.3390/lubricants14040169 - 15 Apr 2026
Viewed by 398
Abstract
Angular misalignment of spherical roller bearings in wind turbine main shafts is a known cause of premature failure. Manufacturing and assembly tolerances introduce unavoidable variability in this misalignment—a source of uncertainty typically neglected in deterministic life models, thereby creating a gap between installation [...] Read more.
Angular misalignment of spherical roller bearings in wind turbine main shafts is a known cause of premature failure. Manufacturing and assembly tolerances introduce unavoidable variability in this misalignment—a source of uncertainty typically neglected in deterministic life models, thereby creating a gap between installation quality and system reliability. A probabilistic framework combining a Hertzian contact model, the Ioannides–Harris fatigue theory, and Monte Carlo simulation is developed to predict the fatigue life of double-row spherical roller bearings under uncertain misalignment. The sensitivity of eight geometric parameters, selected based on manufacturing tolerances, is quantified using Sobol indices for global sensitivity analysis, allowing their relative importance to be ranked. Application to a 950-series wind turbine main bearing under nominal and extreme loads shows that even with centered installation a non-negligible failure probability persists under nominal conditions. The strongly asymmetric bearing response requires asymmetrical installation tolerances to ensure high reliability. Global sensitivity analysis identifies the misalignment angle as the dominant source of uncertainty, followed by the roller contour radius. Under extreme loads, the bearing is under-dimensioned relative to the 20-year design life required for wind turbine main bearings, leading to a fatigue failure probability that approaches unity regardless of installation quality. The interaction between misalignment and radial clearance becomes pronounced under extreme overloads. Overall, the proposed framework provides a quantitative basis for reliability-based tolerance specification and emphasizes the necessity of considering the full load spectrum—including assembly variability—in bearing design. Full article
(This article belongs to the Special Issue Advanced Lubrication and Mechanics for Rolling Bearing)
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