R+W
MK3 – Miniature metal bellows coupling
With expanding shaft
For hollow shaft mounting, compact design, low moment of inertia
- Features
- For hollow shaft mounting
- Compact design
- Low moment of inertia
- Temperature range
- -30 °C to +100 °C (-22 °F to +212 °F)
- Design
- One clamping hub with one clamping screw
- Expanding shaft with tapered clamping element
- Material
- Bellows: high grade stainless steel
- Clamping hub: aluminium
- Expanding shaft: steel
- Inner cone: 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
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