rw-bk3_1200x1200.webp
rw-bk3_1200x1200.webp
R+W

BK3 - Bellows coupling

With conical clamping hub

R+W

High clamping pressure, high torque version, compact design

Features 

  • High clamping pressure
  • High torque version
  • Compact design 

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

Material 

  • Hubs: 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 BK3 R+W Flyer EN.pdf

Coupling technology BK3 R+W Flyer EN.pdf