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Ruland 25.4 mm OD 12 mm Bore Stainless Steel Bellows Clamp Style Flexible Coupler 33.3 mm Length MBC25-12-12-A
Specifications
| Country of Origin | United States |
|---|---|
| Screw Size | M3 |
| Brand | Ruland |
| Length | 33.3mm |
| Model | MBC25-12-12-A |
| Maximum Speed | 10000rpm |
| Maximum Operating Temperature | 93°C |
| Minimum Operating Temperature | -40°C |
| Torque Rating | 6.8Nm |
| Standards/Approvals | REACH, DIN 912 12.9, RoHS3 |
| Hub Material | Aluminium |
| Moment of Inertia | 2.645 x 10-6 kg/m² |
| Misalignment - Angular | 1.5° |
| Misalignment - Parallel | 0.1mm |
| Misalignment - Axial | 0.3mm |
| Bellows Material | Stainless Steel |
| Bore Size B | 12mm |
Key Features
- The coupler features a clamp style design for secure mounting.
- Bellows construction allows compensation for angular, parallel, and axial misalignments.
- Constructed with anodized aluminum hubs and stainless steel bellows for durability and corrosion resistance.
- Supports maximum operating speeds up to 10,000 RPM with low inertia for high-speed applications.
- Rated torque capacity of 6.8 Nm ensuring reliable torque transmission.
- Meets REACH, DIN 912 12.9, and RoHS3 standards for quality and compliance.
- Suitable for use in stepper motors, servo applications, encoders, and precise positioning systems.
- Operates within temperature range of -40°C to 93°C, suitable for demanding industrial environments.
Product Description
Ruland MBC25-12-12-A is a bellows style flexible coupler engineered for mechanical power transmission requiring precise positioning and torsional rigidity. Featuring a 25.4 mm outer diameter, dual 12 mm bore sizes, and a compact 33.3 mm length, it provides a secure clamp-style connection. The coupling comprises two anodized aluminum hubs and a stainless steel bellows element designed to accommodate angular, parallel, and axial misalignments while ensuring zero backlash and reduced vibration at high rotational speeds.
Its lightweight design and low moment of inertia (2.645 x 10-6 kg/m²) make it ideal for high RPM applications up to 10,000 rpm. The coupler’s stainless steel bellows flexes under load while remaining rigid in torsion, enabling precise torque transmission rated at 6.8 Nm. The hardware conforms to stringent DIN 912 12.9 metric standards ensuring durability and reliability under demanding industrial conditions.
This flexible coupler meets important industry standards including REACH and RoHS3 compliance, reinforcing its quality and environmental status. It is well suited for use in servo mechanisms, stepper motors, encoders, and other precision motion control devices where accurate, backlash-free torque transmission is critical.
The clamp style flexible coupler ensures a secure fit on shafts. Aluminum hubs and stainless steel bellows provide strength and corrosion resistance. Supports high rotational speeds with stable and balanced design. Tolerance for multiple misalignment types extends coupling lifespan and performance.
Manufactured with proprietary processes at Ruland's Marlborough, MA facility ensuring consistent quality. Ideal for industrial automation, robotics, instrumentation, and manufacturing applications requiring precision torque transmission.
Ruland's MBC25-12-12-A is a premium solution in the mechanical power transmission category, combining advanced materials and design to accommodate complex operational demands. Browse the Mechanical Power Transmission Couplers category on EnvMart for compatible parts and complementary products to optimize your industrial setup.
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Frequently Asked Questions
The maximum operating speed of this flexible coupler is 10,000 RPM, making it suitable for high-speed applications.
This model has a torque rating of 6.8 Nm, ensuring reliable torque transmission in various applications.
The coupler features anodized aluminum hubs and a stainless steel bellows, providing strength and corrosion resistance.
It accommodates angular misalignment up to 1.5°, parallel misalignment of 0.1 mm, and axial misalignment of 0.3 mm.
The operating temperature range is from -40°C to 93°C, suitable for demanding industrial environments.
It meets REACH, DIN 912 12.9, and RoHS3 standards for quality and compliance in industrial applications.
The coupler has a length of 33.3 mm and an outer diameter of 25.4 mm.
It is suitable for use in stepper motors, servo applications, encoders, and precise positioning systems.
The moment of inertia for this coupler is 2.645 x 10^-6 kg/m², which contributes to its low inertia design.
This model has dual bore sizes of 12 mm, allowing for versatile mounting options.
The clamp style design ensures a secure fit on shafts, facilitating easy installation and reliable performance under load.
This coupler is manufactured in the United States, ensuring consistent quality through proprietary processes.
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