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Wittgen W1900 roller 193999

Functions and requirements of supporting wheels:

The function of the supporting wheel is to transmit the weight of the locomotive group to the ground and roll on the track. To prevent derailment, the supporting wheels should also be able to prevent the track from moving laterally relative to it.

Supporting wheels often work in mud, water, ash, and sand, and withstand strong impacts. The working conditions are extremely harsh, and the wheel flanges are easily worn.

The requirements for the roller are: the wheel rim is wear-resistant, the bearing seal is reliable, and the Rolling resistance is small.

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