Support Bearing

Rubber-metal support bearings consist of an inner and outer metal sleeve connected by a vulcanized elastomer layer. This layer performs the actual technical function: It allows for defined elastic deformations in the radial and axial directions while simultaneously damping vibrations and shocks. The elastomer compound is precisely engineered for railway applications in terms of stiffness, damping capacity and resistance to temperature and aging.

Rubber-metal support bearings are characterized by a vulcanized, form-fit metal-elastomer bond that ensures a defined and durable elastic function. They possess multiaxial elasticity, as the elastomer layer accommodates compressive, shear and torsional movements simultaneously, thereby absorbing complex loads. At the same time, they provide highly effective vibration and structure-borne noise damping because they effectively isolate engine, transmission and chassis vibrations and relieve stress on structural components. Furthermore, they are designed to absorb high dynamic loads as well as their own weight and can reliably transmit both vertical and horizontal force components. Another advantage is their elastic compensation of misalignments, which offsets tolerances and relative movements within the powertrain. In chassis mountings, they enable precise force transmission by controlled transfer of vertical and horizontal forces while simultaneously damping both radial and axial movements. In addition, their spring and damping characteristics can be specifically adjusted, for example by varying the elastomer hardness or geometry. Finally, they offer high resistance to environmental influences such as temperature fluctuations, lubricants and aging, thereby ensuring their long-term operational reliability in railway service.