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Ruland Aluminium Clamp Style Flexible Bellows Coupler 20mm x 20mm Bore, 41.3mm OD, 50.8mm Length, Stainless MBC41-20-20-A
Specifications
| Country of Origin | United States |
|---|---|
| Screw Size | M4 |
| Brand | Ruland |
| Length | 50.8mm |
| Model | MBC41-20-20-A |
| Maximum Speed | 10000rpm |
| Maximum Operating Temperature | 93°C |
| Minimum Operating Temperature | -40°C |
| Torque Rating | 28Nm |
| Standards/Approvals | DIN 912 12.9, REACH, RoHS3 |
| Hub Material | Aluminium |
| Moment of Inertia | 29.689 x 10-6 kg/m² |
| Misalignment - Angular | 2° |
| Misalignment - Parallel | 0.25mm |
| Misalignment - Axial | 0.5mm |
| Bellows Material | Stainless Steel |
| Bore Size B | 20mm |
Key Features
- Constructed with anodized aluminum hubs and stainless steel bellows for strength and corrosion resistance.
- Capable of zero-backlash operation and balanced design to reduce vibration at speeds up to 10,000 RPM.
- Accommodates angular, parallel, and axial misalignments with specific ratings of 2°, 0.25mm, and 0.5mm respectively.
- Hardware meets DIN 912 12.9 standards, ensuring maximum torque rating of 28 Nm.
- Suitable for precise stepper and servo motor applications due to torsional rigidity and low inertia.
- Manufactured in the United States under strict quality controls and tested for superior performance.
Product Description
Ruland MBC41-20-20-A is a lightweight and high-performance flexible bellows coupling designed for precise mechanical power transmission in industrial, laboratory, and automation environments.
This clamp-style coupler has an outer diameter of 41.3 mm and a length of 50.8 mm, featuring 20 mm bore diameters on both ends. The anodized aluminum hubs offer durability and corrosion resistance, while the stainless steel bellows provide flexibility under torsional loads without backlash.
The coupling accommodates up to 2° angular, 0.25 mm parallel, and 0.5 mm axial misalignment, making it ideal for accurate alignment and vibration damping in stepper motor, servo, and encoder applications. It supports maximum operating speeds up to 10,000 RPM and a torque rating of 28 Nm, supported by M4 metric hardware compliant with DIN 912 12.9 standards.
Manufactured in the United States with solid bar stock sourced from North American mills, this coupling offers balanced inertia of 29.689 x 10-6 kg/m² and operating temperature range from -40°C to 93°C for reliable performance under varying industrial conditions.
Constructed with anodized aluminum hubs and stainless steel bellows for corrosion resistance and strength. Zero-backlash design ensures precise torque transmission and position control. Accommodates angular, parallel, and axial misalignments with rated limits.
Lightweight design with low moment of inertia for high-speed operation up to 10,000 RPM. Metric hardware compliant with DIN 912 12.9 enhances torque capacity reliability. Suitable for servo, stepper motor, and encoder applications requiring torsional rigidity.
This coupling is recommended for use in industrial automation, manufacturing machinery, laboratory instruments, and precision motion control systems requiring reliable mechanical power transmission with misalignment compensation.
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Frequently Asked Questions
This model can operate at a maximum speed of 10,000 RPM.
It features anodized aluminum hubs and stainless steel bellows, providing strength and corrosion resistance.
It accommodates up to 2° angular misalignment, 0.25 mm parallel misalignment, and 0.5 mm axial misalignment.
The torque rating of this unit is 28 Nm, supported by M4 metric hardware compliant with DIN 912 12.9 standards.
The operating temperature range is from -40°C to 93°C.
It is designed with a zero-backlash feature that ensures precise torque transmission and position control.
The outer diameter is 41.3 mm and the length is 50.8 mm.
It is recommended for use in industrial automation, manufacturing machinery, laboratory instruments, and precision motion control systems.
The moment of inertia is 29.689 x 10-6 kg/m², which contributes to its lightweight design.
This coupling meets DIN 912 12.9, REACH, and RoHS3 standards.
It is manufactured in the United States under strict quality controls.
The compatible screw size for this model is M4.
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