Rolling Bellows

Suspension systems for the bogie

Rolling Bellows

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Rolling Bellows

As an elastic link between the bogie  and railcar body, air bellows distance the railcar body to the platform and absorb track irregularities by minimising the transmission of vibrations.

Features & Benefits

  • Compact design
  • Heigh load capacity (load / diameter)
  • Reduced number of parts (no bead ring)

Technical Specifications

  • Diameter: ~ø450-750mm
  • Vertical loads: up to 140kN
  • Lateral deflection: up to ±100mm (in air spring system)
  • Operating pressure range: 2-7 bar
  • Operating temperature: -45°C (-50°C) up to +65°C (+70°C)
  • Some types available in EN 45545  (fire& smoke protected)