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Ruland Aluminium Flexible Coupler 25.4 mm OD 8 mm Bore 31.8 mm Length Screw Style PSMR25-8-8-A
Specifications
| Country of Origin | United States |
|---|---|
| Screw Size | M4 |
| Brand | Ruland |
| Material | Aluminium |
| Length | 31.8mm |
| Model | PSMR25-8-8-A |
| Maximum Speed | 6000rpm |
| Number of Beams | 4 |
| Outside diameter | 25.4mm |
| Maximum Operating Temperature | 107°C |
| Minimum Operating Temperature | -40°C |
| Torque Rating | 3.73Nm |
| Standards/Approvals | DIN 912 12.9, RoHS3, REACH |
| Bore Size A | 8mm |
| Moment of Inertia | 3.394 x 10-6 kg/m² |
| Misalignment - Angular | 3° |
| Misalignment - Parallel | 0.38mm |
| Misalignment - Axial | 0.25mm |
| Ruland, 25.4 mm OD 8 mm, 31.8 mm Length 8 mm CouplerBrand | Ruland |
| RS PRO, 25.4 mm OD 8 mm, 31.8 mm Length 8 mm Flexible Beam CouplingRS Stock No. | 132-161Brand: RS PRO |
Key Features
- Constructed from durable aluminium for lightweight and corrosion resistance.
- Outer diameter of 25.4 mm and bore size of 8 mm for both shafts.
- Screw style fixing with M4 screws for secure shaft connection.
- Capable of handling maximum speeds up to 6000 rpm with torque rating of 3.73 Nm.
- Allows up to 3° angular, 0.38 mm parallel, and 0.25 mm axial misalignment.
- Operates reliably over temperature range from -40°C to 107°C.
- Designed to eliminate backlash and provide torsional rigidity for precise applications.
Product Description
Ruland PSMR25-8-8-A aluminium flexible coupler is engineered to provide efficient and reliable mechanical power transmission in demanding industrial applications. The coupling is made of lightweight aluminium material, enabling corrosion resistance and durability while maintaining a compact form factor. It features a screw style fixing mechanism with M4 screws securing shafts with an 8 mm bore.
This coupling supports maximum rotational speeds of up to 6000 rpm and a torque rating of 3.73 Nm, making it suitable for use with encoders, stepper motors, robotics, servo systems, pumps, valves, and fans. Its torsionally rigid one-piece construction eliminates backlash and reduces the likelihood of failure caused by joints.
The design accommodates up to 3 degrees angular misalignment, 0.38 mm parallel misalignment, and 0.25 mm axial misalignment, providing flexibility during installation and operation. It reliably performs within a temperature range from -40°C to 107°C, ensuring operation in diverse environmental conditions.
The coupling meets DIN 912 12.9, RoHS3, and REACH standards, reflecting compliance with industry regulations. Made in the United States, this product is ideal for industrial machinery and power transmission applications where precision and durability are essential.
Constructed from aluminium for lightweight and corrosion resistance. Screw style fixing using M4 screws for secure joining. Supports maximum speed of 6000 rpm and torque of 3.73 Nm. Allows angular, parallel, and axial misalignments for flexible use.
Meets DIN 912 12.9, RoHS3, and REACH standards. Temperature operating range from -40°C to 107°C. One-piece torsionally rigid design eliminates backlash.
This coupling serves applications in industrial power transmission including encoders, robotics, servo systems, pumps, and valves, among others. Its robust design delivers consistent performance in mechanical machinery requiring precise and flexible shaft connections.
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Frequently Asked Questions
This model can handle maximum speeds of up to 6000 rpm.
It has a torque rating of 3.73 Nm.
The outer diameter is 25.4 mm, the bore size is 8 mm, and the length is 31.8 mm.
It features a screw style fixing mechanism using M4 screws for secure shaft connection.
It operates reliably over a temperature range from -40°C to 107°C.
This coupler allows for up to 3° angular misalignment, 0.38 mm parallel misalignment, and 0.25 mm axial misalignment.
It is constructed from lightweight aluminium, providing corrosion resistance.
It meets DIN 912 12.9, RoHS3, and REACH standards.
It is suitable for use with encoders, stepper motors, robotics, servo systems, pumps, valves, and fans.
This model features 4 beams in its design.
It is made in the United States.
The moment of inertia is 3.394 x 10^-6 kg/m².
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