Ruland, 38.1 mm OD 20 mm, 57.2 mm Length 15 mm Flexible Beam Coupling
- RS Stock No.:
- 593-470
- Mfr. Part No.:
- FSMR38-20-15-A
- Manufacturer:
- Ruland
Subtotal (1 unit)*
MYR639.55
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- Shipping from 11 March 2026
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Units | Per Unit |
|---|---|
| 1 + | MYR639.55 |
*price indicative
- RS Stock No.:
- 593-470
- Mfr. Part No.:
- FSMR38-20-15-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 | Flexible Beam Coupling | |
| Outside Diameter | 38.1 mm | |
| Length | 57.2mm | |
| Maximum Speed | 6000rpm | |
| Torque Rating | 11.75Nm | |
| Moment of Inertia | 30.032 x 10-6 kg/m² | |
| Number of Beams | 6 | |
| Misalignment - Angular | 3.0° | |
| Misalignment - Parallel | 0.76mm | |
| Style | Set Screw | |
| Misalignment - Axial | 0.38mm | |
| Minimum Operating Temperature | -40°F | |
| Bore Size A | 20mm | |
| Bore Size B | 15mm | |
| Material | 7075-T651 Extruded Drawn Aluminium Bar | |
| Maximum Operating Temperature | 225°F | |
| Series | FSMR38 | |
| Standards/Approvals | RoHS3, REACH, DIN 912 12.9 | |
| Screw Size | M6 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Flexible Beam Coupling | ||
Outside Diameter 38.1 mm | ||
Length 57.2mm | ||
Maximum Speed 6000rpm | ||
Torque Rating 11.75Nm | ||
Moment of Inertia 30.032 x 10-6 kg/m² | ||
Number of Beams 6 | ||
Misalignment - Angular 3.0° | ||
Misalignment - Parallel 0.76mm | ||
Style Set Screw | ||
Misalignment - Axial 0.38mm | ||
Minimum Operating Temperature -40°F | ||
Bore Size A 20mm | ||
Bore Size B 15mm | ||
Material 7075-T651 Extruded Drawn Aluminium Bar | ||
Maximum Operating Temperature 225°F | ||
Series FSMR38 | ||
Standards/Approvals RoHS3, REACH, DIN 912 12.9 | ||
Screw Size M6 | ||
- COO (Country of Origin):
- US
The Ruland Six beam coupling is engineered for precision and reliability, making it an essential component in light-duty power transmission applications. Constructed from a single piece of robust 7075 aluminium, it combines durability with a remarkably low inertia, supporting high-speed operations up to 6,000 RPM. The unique design features two sets of three spiral cuts, significantly enhancing torque capacity while minimising windup. With the dual benefits of a zero-backlash configuration and balanced design, this coupling ensures reduced vibration, providing a smooth and reliable performance in critical systems.
Manufactured from lightweight aluminium, enhancing system efficiency
Incorporates dual spiral cuts for superior performance and durability
Compatible with standard metric hex keys, simplifying installation
Meets stringent RoHS3 and REACH compliance standards
Backed by rigorous performance testing that exceeds industry standards
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