Gerwah AKD18 Backlash-free Metal Bellows Coupling
The Gerwah AKD18 is a precision-engineered metal bellows coupling designed to deliver exceptional torsional stiffness, zero backlash, and high rotational accuracy. Built for demanding industrial applications, it ensures reliable torque transmission, smooth operation, and long service life. Ideal for servo drives, automation systems, precision machinery, and applications requiring accurate shaft alignment and vibration-free performance.
Manufacturer: Gerwah
Type: Backlash-free Metal Bellows Coupling
Model: AKD18
Series: AK
Technical Information
- Size: 18
- Bore diameter d1 / d2: 18 mm / 18 mm
- Outer diameter: 45 mm
- Total length: 71 mm
- Torque: 22 Nm
- Max. rotation speed: 12700 rpm
- Dynamic torsional stiffness: 6×10³ Nm/rad
- Radial spring stiffness: 85 N/mm
- Axial spring stiffness: 40 N/mm
- Shaft fastening method: Clamping hubs












