Ruland, 19.1 mm OD 8 mm, 31.8 mm Length 8 mm Flexible Beam Coupling
- RS Stock No.:
- 591-814
- Mfr. Part No.:
- FSMR19-8-8-SS
- Brand:
- Ruland
Subtotal (1 unit)*
Kr. 1 542,46
(exc. VAT)
Kr. 1 928,08
(inc. VAT)
FREE delivery for online orders over 750,00 kr
Stocked by manufacturer
- Ready to ship from 11 June 2026
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Units | Per unit |
|---|---|
| 1 + | Kr. 1 542,46 |
*price indicative
- RS Stock No.:
- 591-814
- Mfr. Part No.:
- FSMR19-8-8-SS
- Brand:
- Ruland
Specifications
Technical Reference
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 | 19.1 mm | |
| Length | 31.8mm | |
| Maximum Speed | 6000rpm | |
| Torque Rating | 3.51Nm | |
| Moment of Inertia | 2.964 x 10-6 kg/m² | |
| Number of Beams | 6 | |
| Misalignment - Angular | 3.0° | |
| Misalignment - Parallel | 0.20mm | |
| Style | Set Screw | |
| Misalignment - Axial | 0.13mm | |
| Material | 303 Stainless Steel | |
| Minimum Operating Temperature | -40°F | |
| Bore Size B | 8mm | |
| Bore Size A | 8mm | |
| Maximum Operating Temperature | 350°F | |
| Series | FSMR19 | |
| Standards/Approvals | RoHS3, REACH, DIN 912 12.9 | |
| Screw Size | M4 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Flexible Beam Coupling | ||
Outside Diameter 19.1 mm | ||
Length 31.8mm | ||
Maximum Speed 6000rpm | ||
Torque Rating 3.51Nm | ||
Moment of Inertia 2.964 x 10-6 kg/m² | ||
Number of Beams 6 | ||
Misalignment - Angular 3.0° | ||
Misalignment - Parallel 0.20mm | ||
Style Set Screw | ||
Misalignment - Axial 0.13mm | ||
Material 303 Stainless Steel | ||
Minimum Operating Temperature -40°F | ||
Bore Size B 8mm | ||
Bore Size A 8mm | ||
Maximum Operating Temperature 350°F | ||
Series FSMR19 | ||
Standards/Approvals RoHS3, REACH, DIN 912 12.9 | ||
Screw Size M4 | ||
The Ruland Six beam coupling is engineered for precision and reliability in light duty power transmission applications. Machined from a single piece of 303 stainless steel, it combines strength with reduced windup and vibration, enabling high-performance coupling of a servo motor to a lead screw. Its zero-backlash design ensures optimal torque capacity while maintaining a balanced construction for operation at speeds up to 6,000 RPM. Manufactured in the USA under stringent quality controls, this coupling guarantees compliance with RoHS3 and REACH standards, making it a trustworthy choice for engineers seeking durable solutions.
Constructed from high-grade 303 stainless steel for enhanced durability
Zero-backlash design enables precise torque transmission
Suitable for use in high-speed applications up to 6,000 RPM
Machined from bar stock sourced from North American mills
Features two sets of three spiral cuts for superior torque capacity
Offers a balanced design that reduces vibration during operation
Designed for quick assembly with metric hardware
Complies with strict environmental regulations for safety
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