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Home SHOP Power transmission Couplings for servo-systemsBellow couplings Bellows coupling Gerwah®

Bellows coupling Gerwah®

- Torque from 22 to 180Nm
 - Type With clamping jaw


- Backlash and maintenance free
- High torsional stiffness
- Low moment of inertia
- Shaft/bore link without backlash
- Recommended assembly tolerances H7/g6
- Working temperature -30°C to +100°C
- Materials:
Hub: aluminium
Bellows: stainless steel
- Please specify bore size on order (between min and max Ø )

Options
- Keyway according to DIN6885 on request (tolerance JS9)
- Orientation of the keyways at 180° to each other
- Stainless steel version on request

Torque calculation
- Use the formula
TKN > K x TAS x Jmach/(Jmot+Jmach) in Nm
With following safety coefficient:
K = 1.5 for regular motion
K = 2 for irregular motion
K = 2.5 - 4 for jerky motion
Jx = moment of inertia (machine + motor)
TAS Required torque
Part n° CAD Price (excl VAT) Stock Order
Dimensions in mm
You have a special request or require more information
on this product? Contact us
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