Influence of lubrication on the friction and wear of car rolling bearings


  • O. Dykha Khmelnitskyi National University
  • O. Makovkin Khmelnitskyi National University
  • S. Posonsky Khmelnitskyi National University



Friction Pair, Bearing, Wear Parameters, Lubrication, Additive, Suspension Hub, Laboratory Test


The goal of the work is to develop computational and experimental approaches to determine the wear resistance of friction units with internal contact of cylinders with slip. The scientific novelty consists in taking into account the slip for calculating the friction path and the  wear of the cylinders with internal contact and the proposed method for identifying the parameters of the wear law based on the  test results. Practical value is the proposed methods to account load, slip and lubrication conditions on the resource for the design of friction units. The dependences for determining the friction path for internal rolling of cylinders have been considered. The design of an experimental setup for studying  friction and wear of cylinders with slip has been proposed. Experimental studies have been carried out: paths of friction; wear of surfaces both with a key and without a key; the effect of lubricants on wear has been studied. The form of the wear model is proposed to determine the effectiveness of methods for increasing wear resistance. The method for determining the parameters of the wear law has been implemented based on the test results. The results show the efficiency of copper powder as an additive to a lubricant. It has been established that the wear of cylinders with a key is greater than the wear of cylinders without a key due to different friction paths. A practical example of determining the wear of a car hub shaft using the wear patterns is presented.


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How to Cite

Dykha, O., Makovkin, O., & Posonsky, S. (2021). Influence of lubrication on the friction and wear of car rolling bearings. Problems of Tribology, 26(3/101), 81–88.