rw--bk2_1200x1200.webp
rw--bk2_1200x1200.webp
R+W

BK2 - Bellows coupling

With clamping hub

R+W

Easy to mount, optional: bolt tensioning system in size 800 and up, light weight and low moment of inertia

Features 

  • Easy to mount
  • Optionalbolt tensioning system in size 800 and up
  • Light weight and low moment of inertia 

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 

Applications

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

Technical Specifications

Design

  • Two mounting flanges concentrically assembled to the flexible bellows
  • Brief overloads of up to 1.5x the rated torque are acceptable. 

Material 

  • Hubs: up to series 80 – aluminumoptionally steel, from series 150 – steel 
  • Bellowshigh grade stainless 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

For More Information Contact Us 

Contact us

Oleh Veresyuk

Product Expert

English

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Coupling technology BK2 R+W Flyer EN.pdf

Coupling technology BK2 R+W Flyer EN.pdf