Ruland, 19 mm OD 4 mm, 22.9 mm Length 3 mm Flexible Coupling
- RS Stock No.:
- 604-887
- Mfr. Part No.:
- PSMR19-4-3-SS
- Brand:
- Ruland
Subtotal (1 unit)*
$215.29
(exc. GST)
$236.82
(inc. GST)
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- Shipping from 02 April 2026
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Units | Per unit |
|---|---|
| 1 + | $215.29 |
*price indicative
- RS Stock No.:
- 604-887
- Mfr. Part No.:
- PSMR19-4-3-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 | 19 mm | |
| Length | 22.9mm | |
| Maximum Speed | 6000rpm | |
| Torque Rating | 3.95Nm | |
| Moment of Inertia | 2.048 x 10-6 kg/m² | |
| Misalignment - Angular | 3.0° | |
| Number of Beams | 4 | |
| Misalignment - Parallel | 0.20mm | |
| Style | Set Screw | |
| Misalignment - Axial | 0.13mm | |
| Bore Size A | 4mm | |
| Minimum Operating Temperature | -40°F | |
| Material | 303 Stainless Steel | |
| Bore Size B | 3mm | |
| Series | PSMR19 | |
| Maximum Operating Temperature | 350°F | |
| Standards/Approvals | DIN 912 12.9, REACH, RoHS3 | |
| Screw Size | M4 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Flexible Coupling | ||
Outside Diameter 19 mm | ||
Length 22.9mm | ||
Maximum Speed 6000rpm | ||
Torque Rating 3.95Nm | ||
Moment of Inertia 2.048 x 10-6 kg/m² | ||
Misalignment - Angular 3.0° | ||
Number of Beams 4 | ||
Misalignment - Parallel 0.20mm | ||
Style Set Screw | ||
Misalignment - Axial 0.13mm | ||
Bore Size A 4mm | ||
Minimum Operating Temperature -40°F | ||
Material 303 Stainless Steel | ||
Bore Size B 3mm | ||
Series PSMR19 | ||
Maximum Operating Temperature 350°F | ||
Standards/Approvals DIN 912 12.9, REACH, RoHS3 | ||
Screw Size M4 | ||
- COO (Country of Origin):
- US
The Ruland Four beam coupling from Ruland represents a sophisticated solution for connecting shafts with precision and reliability. Crafted from high-grade stainless steel, this product is designed for exceptional torque capacity and minimal windup. Its zero-backlash characteristic ensures efficient power transmission, while its balanced design reduces vibrations even at high rotational speeds. With rigorous machining processes employed, each unit is manufactured to meet stringent standards, offering performance that surpasses industry expectations. The coupling is suitable for various applications and is compliant with RoHS3 and REACH regulations, assuring users of its environmental safety. Its robust construction from bar stock sourced solely from North American mills further reinforces its durability and reliability in demanding environments.
Zero-backlash design enhances power efficiency and precision
Manufactured from 303 stainless steel for higher torque capabilities
Capable of operating at a maximum speed of 6,000 RPM for versatile applications
Balanced design aids in the reduction of vibrations during operation
Complies with RoHS3 and REACH regulations for safety assurance
Includes two sets of spiral cuts for improved torque capacity
Designed for easy installation with metric hex keys
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