Ruland, 22.2 mm OD 8 mm, 27 mm Length 7 mm Beam Coupling
- RS Stock No.:
- 603-667
- Mfr. Part No.:
- PSMR22-8-7-A
- Manufacturer:
- Ruland
Subtotal (1 unit)*
SGD78.51
(exc. GST)
SGD85.58
(inc. GST)
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- Shipping from 09 March 2026
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Units | Per unit |
|---|---|
| 1 + | SGD78.51 |
*price indicative
- RS Stock No.:
- 603-667
- Mfr. Part No.:
- PSMR22-8-7-A
- Manufacturer:
- 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 | Beam Coupling | |
| Outside Diameter | 22.2 mm | |
| Length | 27mm | |
| Maximum Speed | 6000rpm | |
| Torque Rating | 1.76Nm | |
| Moment of Inertia | 1.639 x 10-6 kg/m² | |
| Number of Beams | 4 | |
| Misalignment - Angular | 3.0° | |
| Misalignment - Parallel | 0.20mm | |
| Style | Set Screw | |
| Misalignment - Axial | 0.13mm | |
| Material | 7075-T651 Extruded Drawn Aluminium Bar | |
| Minimum Operating Temperature | -40°F | |
| Bore Size A | 8mm | |
| Bore Size B | 7mm | |
| Maximum Operating Temperature | 225°F | |
| Standards/Approvals | RoHS3, REACH, DIN 912 12.9 | |
| Screw Size | M4 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Beam Coupling | ||
Outside Diameter 22.2 mm | ||
Length 27mm | ||
Maximum Speed 6000rpm | ||
Torque Rating 1.76Nm | ||
Moment of Inertia 1.639 x 10-6 kg/m² | ||
Number of Beams 4 | ||
Misalignment - Angular 3.0° | ||
Misalignment - Parallel 0.20mm | ||
Style Set Screw | ||
Misalignment - Axial 0.13mm | ||
Material 7075-T651 Extruded Drawn Aluminium Bar | ||
Minimum Operating Temperature -40°F | ||
Bore Size A 8mm | ||
Bore Size B 7mm | ||
Maximum Operating Temperature 225°F | ||
Standards/Approvals RoHS3, REACH, DIN 912 12.9 | ||
Screw Size M4 | ||
- COO (Country of Origin):
- US
The Ruland Four beam coupling is a sophisticated solution designed to ensure precision and reliability in mechanical connections. Constructed from a single piece of 7075 aluminum, it effectively combines lightweight properties with exceptional torque capacity, setting performance benchmarks in high-speed applications. This coupling is engineered for zero-backlash functionality, ensuring that it maintains accurate rotational alignment under varying load and speed conditions. With a robust construction that includes four beams and a balanced design, it excels in demanding environments while reducing vibration and enhancing overall system efficiency. Capable of sustaining high rotational speeds up to 6,000 RPM, this coupling has been meticulously crafted to meet strict quality standards, including RoHS3 and REACH compliance, making it an excellent choice for modern manufacturing needs.
Lightweight aluminum material reduces inertia in dynamic applications
Zero-backlash design enhances precision and performance
Balanced construction minimizes vibration at high speeds
Manufactured under strict controls for consistent quality
Compatible with metric hardware to simplify installation
Suitable for both angular and parallel misalignment scenarios
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