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Bellows coupling with ultra high torsional stiffness and clamping hub

20 – 1,000 Nm | Extremely high torsional stiffness
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Rw pk metallbalgkupplung bkm

Features

  • Extremely compact
  • High torque density
  • High torsional stiffness

Temperature range

  • -30 °C to +100 °C (-22 °F to +212 °F)

Design

  • Two clamping hubs concentrically mounted to flexible bellows
  • Brief overloads of up to 1.5x the rated torque are acceptable

Materials

  • Bellows: high grade stainless steel
  • Hubs: up to 400 series – aluminum
  • Hubs: from series 1000 – steel

Service life

  • R+W bellows couplings are fatigue resistant and wear free for an infinite service life, as long as the technical limits are not exceeded

Fit clearance

  • Overall shaft / hub clearance of 0.01 – 0.05 mm

Special solutions

  • Various materials, tolerances, dimensions and performance ratings available for custom applications on request

ATEX (Optional)

  • For use in hazardous zones 1/21 and 2/22, the metal bellows has been authorized under directive 94/9/EG and is available with certification

Technical Specifications

Downloads

Catalog data, ordering examples & installation instructions

  • Ordering examples precision coupling
  • Installation and operating instructions for R+W metal bellows couplings models BK/MK
  • Technical data BK1

Contact

Sydney

  • Unit 23 Block E
    Caringbah Business Park
    1 Endeavour Road
    Caringbah NSW 2229
  • +61 2 9540 4533

Christchurch

Auckland

Palmerston North

  • 243 Broadway Avenue
    Palmerston North Central
    Palmerston North 4414
  • 0800 235 877

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