Journal of Failure Analysis and Prevention

, Volume 9, Issue 3, pp 288–294 | Cite as

Contact Fatigue Failure of a Tapered Roller Bearing Used in a Lorry Wheel

  • Yusuf Kayalı
  • Ismail Ucun
  • Kubilay Aslantaş
Technical Article---Peer-Reviewed


Tapered roller bearings, which are also known as angular-contact bearing, are suitable for supporting radial and axial loads. The more frequent types of defects in such bearings are caused by contact fatigue in these machine components, and this examination focuses on a contact fatigue failure in a tapered rolling bearing. The examination included visual inspection, microscopic analysis (optical and scanning electron microscope), and microhardness measurements. These measurements were conducted to help understand the failure mechanisms. Based on the results of visual examination and microstructure and fracture surface analysis, it was determined that the tapered roller bearing failed by contact fatigue that was caused by overloading of the bearing.


Contact fatigue Tapered roller bearing Spalling Pitting 


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Copyright information

© ASM International 2009

Authors and Affiliations

  1. 1.Department of Metal EducationUniversity of Afyon KocatepeAfyonTurkey
  2. 2.Department of Mechanical EducationUniversity of Afyon KocatepeAfyonTurkey

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