R+W
EK7 - Elastomer coupling
With expanding shaft hub
For hollow shaft mounting, short overall lenght, saves mounting space and costs
- Features
- For hollow shaft mounting
- Short overall lenght
- Saves mounting space and costs
- Temperature range
- Depending on elastomer insert
- Design
- One concentrically machined hub with curved jaws and a side clamping screw
- An expanding shaft with inner cone and screw
- Material
- Hubs:
- up to 450 series – high-strength aluminum
- from series 800 – steel
- Elastomer insert: wear-resistant thermally stable TPU
- Expanding shaft hub: steel
- Inner cone: steel
- Hubs:
- 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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