Bearing architecture
Railway rolling -mechanical aspect of traction

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Bearing architecture


Railway rolling -mechanical aspect of traction

Author : Pierre CHAPAS

Publication date: May 10, 2013 | Lire en français

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3. Bearing architecture

The rolling elements perform three main functions:

  • vehicle load distribution ;

  • they ensure that traction forces are exerted;

  • they ensure that braking forces are applied.

The following constraint functions must be taken into consideration:

  • Bearing stability regardless of line profile;

  • low track aggressiveness;

  • low maintenance.

3.1 Load distribution – axle grouping – bogie

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