- Power Transmission - Mechanical components
- Mechanical Transmission
- Bellows coupling
- R + W Coupling Technology
Flexible coupling BK7 seriesbellowsshaftcompact
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Characteristics
- Type
- flexible, bellows
- Product applications
- shaft
- Construction
- compact
- Performance
- backlash-free, maintenance-free
- Other characteristics
- ATEX, custom-made
- Installation system
- flange
- Torque
Max.: 300 Nm
(221.2686 ft.lb)Min.: 15 Nm
(11.0634 ft.lb)- Rotational speed
Max.: 10,000 rpm
(62,831.85 rad.min-1)Min.: 0 rpm
(0 rad.min-1)
Description
Bellows coupling with expanding shaft
Features
For hollow shaft mounting
Short design saves installation space
Easy to mount
Temperature range
-30 °C to +100 °C (-22 °F to +212 °F)
Design
One clamping hub on one end with an expanding shaft on the other end
Brief overloads of up to 1.5x the rated torque are acceptable
Material
Bellows: high grade stainless steel
Hubs:
up to series 60 – aluminum
from series 150 – steel
Expanding mandrel: steel
Inner cone: steel
Properties
General information
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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Catalogs
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.