Schaeffler North America



Efficient Calculation Software by INA

Along with the supply of top quality machine elements matched to customer applications, good service is an important tradition at INA and FAG. We offer you the support you need when using our products in your application – as early as the design phase, because for us service means a partnership shared with the customer.

Rolling bearing design is one of the focal points of design support. An important task here is to ensure that your product is designed correctly to give you the competitive edge. To meet this requirement, INA and FAG have been using calculation programs successfully for over 30 years.

From the overall machine design all the way down to the contact pressure on a single rolling element – Our calculation program guarantees the optimum bearing design

BEARINX – a leading calculation program

Our BEARINX software is one of the leading programs for performing rolling bearing calculations. It enables rolling bearing supports to be analyzed in detail – from single bearings to complex gear systems and linear guide systems. All calculations are performed in a consistent calculation model. Even for complex gears, the contact pressure on each rolling element is considered in the calculation.


Rolling bearings in the system

Among other things, the following aspects are considered in BEARINX:

  • Non-linear elastic deflection behavior of bearings
  • Elasticity of shafts and axles
  • Bearing operating clearance or preload
  • Roller and raceway profiles as well as raceway osculation
  • Load-related contact-angle shifts in the case of ball bearings
  • Actual contact pressure when a tilted position and rolling element profiles are considered
  • Effects of lubrication conditions, contamination and actual contact pressure on fatigue life

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