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Bearings for turnouts and counterweights in railway rail traffic
In rail transportation, the track plays a decisive role in the operation of railway vehicles. As a long-term investment, it can maintain the carrying capacity for many years and be profitable for a long time. The Schaeffler Group Industrial Division offers joint and rolling bearing types that are ideally suited to the needs of railway tracks. The main threats facing rail bearing rails are: repeated rolling of the wheelset, climatic conditions (such as temperature, rain and snow, etc.), lubricant and dust pollution, mechanical stress in operation (such as the impact of stones) and the impact of the rail on the rail. maintenance work. Bearings from the Schaeffler Group have been used reliably for many years in rail turnouts and counterweights. Maintenance-required ELGES spherical plain bearings are especially suitable for applications with alternating vibration and shock loads. During the movement and force transmission, the bending stress of the structural element is very small. Therefore, they are ideal for orbital networks. The selection of maintenance-free radial spherical plain bearings can reduce the corresponding workload. Due to the influence of the environment, it is necessary to add a reliable seal. In the actuators of turnouts, very high axial forces are sometimes generated due to manual operation or special circumstances. Compared with radial angular contact ball bearings, INA thrust angular contact ball bearings have a higher axial load capacity and are more reliable and compact. Available bearing types include: standard outer ring locating bearings, bolted ready-to-install bearings. Full complement cylindrical roller bearings with snap ring grooves are mainly used as cable pulley bearings. It can be easily positioned by means of the snap ring. It is very beneficial for track counterweights. On the basis of effective sealing and coating corrosion protection, these bearings reflect the advantages of long life, low maintenance cost and high economic efficiency.
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