MESYS AG in Zurich (Switzerland) is developing software for technical calculations in mechanical engineering. The main focus is the sizing of machine elements like gears, bolts, rolling bearings and more. In addition to standardized software also custom software is developed. We also support you in design of machine elements especially for gears or we can do ratings according different standards using modern calculation software. As standard products we offer software for the analysis of rolling bearing according ISO/TS 16281 with an additional shaft or shaft system calculation. Currently MESYS Rolling bearing analysis software is used by customers from 24 countries on 4 continents. Also we sell standard software for machine elements eAssistant, TBK and GearEngineer by GWJ Technology and the Gear Production Suite by Dontyne Systems.