MESYS releases new version of shaft and rolling bearing calculation software

The MESYS Rolling bearing calculation allows the calculation of bearing load distribution and bearing life according to ISO/TS 16281. It is available as standalone application or integrated in a shaft system calculation with additional possibilities like modal analysis, shaft strength calculation according to DIN 743 or interfaces to gear calculation programs.


New features have been added for the release 08/2014. Spanish language is now available in addition to English, German, French and Korean for both software and report; reports can now be generated in formats like DOCX, DOC and ODT in addition to PDF format and table legends are added.

Main changes in bearing calculation are:

  • Additional bearings types like axial spherical roller bearings, barrel roller bearings and double row axial angular contact bearing are now also supported. In total, 22 bearing types are available now.
  • Result data for rolling element loads can now be exported in table formats like XLSX, XLS or CSV.
  • Static load rating diagram for permissible radial load over axial load in addition to moment load over axial load.
  • Diagrams for single load cases of load spectra.
  • Additional outputs in parameter variations like ball advance.
  • All results in the bearing calculation are now available in US units.
  • New graphic for load distribution 3D, including contact ellipse or line load for rolling bearings.


Main changes in the shaft calculation are:

  • Worm and worm gear as force elements, and worm gear connections for shaft systems.
  • Temperature gradient within the shaft.
  • A coupled housing stiffness matrix is available now. Multiple matrices can be defined in either local or global coordinate systems.
  • Simultaneous representation of multiple mode shapes in modal analysis either in 2D or as 3D animation.
  • Improvements in 3D view, now also the contact ellipse/line load is shown for rolling element of a bearing.
  • Tooth flank modification for optimum gear contact can be considered independently for each flank. The modifications are taken into account in the calculation of line loads.


Most users of the bearing calculation software are bearing manufacturers, others use the shaft system calculation for gearbox design and modal analysis. The software is currently used in 20 countries over four continents. A demo version is available at

For additional information please contact

Technoparkstrasse 1
CH-8005 Zürich
[email protected]
+41 44 4556800