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Bearing (Contact) Worked Example


Consider a shaft in a housing socket. The Shaft is made of steel and the housing socket Aluminium Alloy. Calculate the bearing stress on the shaft/socket.
Picture
Picture
Picture
The bearing stress from the FEA analysis was 75.62 MPa and this is close to the calculated bearing stress of 74 MPa.

Tip
To find accurate bearing stress requires considerable analysis effort. Bearing stress rarely drives the design process and for this reason it is common practice to use average bearing stress which is simply force divided by area. A reserve factor is then applied.

Average Bearing Stress               σaverage = F / A = 12000 / (20 x 20) = 30 MPa

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  • Home
  • Services
  • Projects
    • Seismic Analysis of Overhead Gantry Crane
    • Assessment of Drag Chain Hanger
  • Finite Element Analysis
    • Units
    • Co-ordinate Systems
    • FEA Procedure
    • Defining Objectives
    • Stress Concentration
    • Geometry import / clean up
    • Meshing
    • Material Properties
    • Boundary Conditions
    • Solvers
    • Investigating FEA Results
    • Reporting
    • Stress Theories
    • Cantilever Beam Worked Example
    • Pressure Vessel Worked Example
    • Shaft in Torsion Worked Example
    • Buckling Worked Example
    • Bearing (Contact) Worked Example
  • Articles
  • FAQs
    • What is FEA?
    • How much does FEA cost?
    • Should I de-feature CAD geometry prior to FEA?
    • What information should I send to you for an FEA quotation?
  • CONTACT