Ruland, 25.4 mm OD 9 mm, 31.8 mm Length 8 mm Flexible Coupling
- RS Stock No.:
- 604-550
- Mfr. Part No.:
- PSMR25-9-8-SS
- Brand:
- Ruland
Subtotal (1 unit)*
$261.06
(exc. GST)
$287.17
(inc. GST)
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- Shipping from 10 March 2026
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Units | Per unit |
|---|---|
| 1 + | $261.06 |
*price indicative
- RS Stock No.:
- 604-550
- Mfr. Part No.:
- PSMR25-9-8-SS
- Brand:
- Ruland
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Ruland | |
| Product Type | Flexible Coupling | |
| Outside Diameter | 25.4 mm | |
| Length | 31.8mm | |
| Maximum Speed | 6000rpm | |
| Torque Rating | 1.76Nm | |
| Moment of Inertia | 9.275 x 10-6 kg/m² | |
| Misalignment - Angular | 3.0° | |
| Number of Beams | 4 | |
| Misalignment - Parallel | 0.38mm | |
| Style | Set Screw | |
| Misalignment - Axial | 0.25mm | |
| Material | 303 Stainless Steel | |
| Bore Size B | 8mm | |
| Minimum Operating Temperature | -40°C | |
| Bore Size A | 9mm | |
| Maximum Operating Temperature | 176°C | |
| Series | PSMR25 | |
| Standards/Approvals | DIN 912 12.9, REACH, RoHS3 | |
| Screw Size | M4 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Flexible Coupling | ||
Outside Diameter 25.4 mm | ||
Length 31.8mm | ||
Maximum Speed 6000rpm | ||
Torque Rating 1.76Nm | ||
Moment of Inertia 9.275 x 10-6 kg/m² | ||
Misalignment - Angular 3.0° | ||
Number of Beams 4 | ||
Misalignment - Parallel 0.38mm | ||
Style Set Screw | ||
Misalignment - Axial 0.25mm | ||
Material 303 Stainless Steel | ||
Bore Size B 8mm | ||
Minimum Operating Temperature -40°C | ||
Bore Size A 9mm | ||
Maximum Operating Temperature 176°C | ||
Series PSMR25 | ||
Standards/Approvals DIN 912 12.9, REACH, RoHS3 | ||
Screw Size M4 | ||
- COO (Country of Origin):
- US
The Ruland Four beam coupling offers unmatched precision and performance, crafted for applications requiring reliable torque transmission and minimal backlash. Made from quality 303 stainless steel, it stands out with its robust design, ensuring longevity and high performance even at elevated speeds. Ideal for high-torque applications, the coupling features a unique design that enhances its operating efficiency, capable of enduring speeds of up to 6,000 RPM. Its engineered to meet stringent international standards, making it suitable for a variety of industrial applications, and provides users with a reliable solution for achieving optimal alignment and performance in their machinery. With its meticulous manufacturing processes, this product is a trusted choice for engineers and designers alike.
Manufactured from RoHS3 and REACH compliant materials for environmental safety
Zero-backlash operation enhances transmission accuracy
Designed for high-speed applications, capable of maintaining performance at 6,000 RPM
Withstands maximum torque ratings, providing reliability under heavy load conditions
Balanced design reduces vibration, improving operational stability
Metrics-compliant hardware, supporting easier integration into existing systems
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