R+W
EK7 - Elastomer coupling
With expanding shaft hub
For hollow shaft mounting, short overall length, saves mounting space and costs
Features
- For hollow shaft mounting
- Short overall lenght
- Saves mounting space and costs
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 Depending on elastomer insert
Technical Specifications
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
Service life
- R+W couplings are fatigue resistant and wear free for an infinite service life, as long as the technical limits are not exceeded
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