Metal bellows couplings
R+W Metal Bellows Couplings are engineered for high-precision drive systems where zero-backlash torque transmission, high torsional stiffness and exceptional positioning accuracy are essential. The stainless steel metal bellows combines outstanding torsional rigidity with the flexibility to compensate for radial, axial and angular shaft misalignment, making these couplings ideal for CNC machines, robotics, measuring equipment and other precision automation systems.
The product range covers torque capacities from 0.05 to 10,000 Nm and is available with various hub designs and shaft connection options, including clamp hubs, tapered hubs and TAPER mounting systems. The stainless steel bellows, combined with aluminum or steel hubs, provides wear-free operation, long service life and maintenance-free performance. Since no lubrication is required, these couplings offer reliable operation with minimal lifetime operating costs.
As the official Hungarian partner, BIBUS Kft. provides expert engineering support for coupling selection, sizing and integration. Our specialists help optimize the complete drivetrain to achieve maximum positioning accuracy, reliability and long-term performance.
Key Features
✔ Zero-backlash torque transmission
✔ High torsional stiffness
✔ Compensates for radial, axial and angular shaft misalignment
✔ Maintenance-free design
✔ Wear-free operation
✔ Torque range: 0.05–10,000 Nm
✔ Stainless steel bellows
✔ Aluminum or steel hubs
✔ Multiple hub and mounting configurations
✔ Engineering support from BIBUS Kft.
Why Choose R+W Metal Bellows Couplings?
✔ Completely zero-backlash operation
✔ Exceptional positioning accuracy
✔ High torsional rigidity
✔ Long service life
✔ Maintenance-free performance
✔ German engineering excellence
What Problems Do They Solve?
✔ Eliminate backlash
✔ Improve positioning accuracy
✔ Compensate for shaft misalignment
✔ Optimize servo drive performance
✔ CNC and robotic applications
✔ Precision torque transmission
How Can We Help?
Our engineers support you with:
- coupling selection
- torque and lifetime calculations
- coupling sizing
- shaft misalignment analysis
- replacement of existing couplings
- complete drivetrain optimization
Looking for a high-precision zero-backlash coupling?
BIBUS Kft. helps you select the optimal R+W Metal Bellows Coupling for your application.
Our quality brands
13 Products
BK1 - Metal bellows coupling
For simple flange mounting to special drive components, Custom flange patterns available
BK2 - Bellows coupling
Easy to mount, optional: bolt tensioning system in size 800 and up, light weight and low moment of inertia
BKH - Bellows coupling
Radial mounting possible, easy installation onto pre-aligned shafts, low moment of inertia
BKL - Economy bellows coupling
Easy to mount, light weight and low moment of inertia
BKC - Bellows coupling
For high speeds, for space restricted installations, light weight and low moment of inertia
BKM - Bellows coupling
Extremely compact, high torque density, high torsional stiffness
BKS - Fully stainless steel bellows coupling
For high temperatures, for moisture and aggressive media, welded version
BK3 - Bellows coupling
High clamping pressure, high torque version, compact design
SP3 - Bellows coupling
Very high balancing quality due to symmetrical design, high operating speeds, extremely smooth running
