Ruland, 25.4 mm OD 8 mm, 31.8 mm Length 7 mm Flexible Coupling
- RS Stock No.:
- 604-785
- Mfr. Part No.:
- PCMR25-8-7-A
- Brand:
- Ruland
Subtotal (1 unit)*
$116.61
(exc. GST)
$128.27
(inc. GST)
FREE delivery for orders over $60.00 ex GST
Temporarily out of stock
- Shipping from 10 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | $116.61 |
*price indicative
- RS Stock No.:
- 604-785
- Mfr. Part No.:
- PCMR25-8-7-A
- 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 | 4.6Nm | |
| Moment of Inertia | 3.394 x 10-6 kg/m² | |
| Number of Beams | 4 | |
| Misalignment - Angular | 3.0° | |
| Style | Clamp | |
| Misalignment - Parallel | 0.38mm | |
| Misalignment - Axial | 0.25mm | |
| Bore Size A | 8mm | |
| Minimum Operating Temperature | -40°F | |
| Bore Size B | 7mm | |
| Material | 7075-T651 Extruded Drawn Aluminium Bar | |
| Maximum Operating Temperature | 225°F | |
| Series | PCMR25 | |
| Standards/Approvals | DIN 912 12.9, RoHS3, REACH | |
| Screw Size | M4 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Flexible Coupling | ||
Outside Diameter 25.4 mm | ||
Length 31.8mm | ||
Maximum Speed 6000rpm | ||
Torque Rating 4.6Nm | ||
Moment of Inertia 3.394 x 10-6 kg/m² | ||
Number of Beams 4 | ||
Misalignment - Angular 3.0° | ||
Style Clamp | ||
Misalignment - Parallel 0.38mm | ||
Misalignment - Axial 0.25mm | ||
Bore Size A 8mm | ||
Minimum Operating Temperature -40°F | ||
Bore Size B 7mm | ||
Material 7075-T651 Extruded Drawn Aluminium Bar | ||
Maximum Operating Temperature 225°F | ||
Series PCMR25 | ||
Standards/Approvals DIN 912 12.9, RoHS3, REACH | ||
Screw Size M4 | ||
- COO (Country of Origin):
- US
The Ruland Meticulously engineered four beam coupling that serves as an ideal solution for precision power transmission. Designed to handle misalignment with ease, this coupling features an innovative clamp style that ensures a secure fit on the shafts. Machined from high-quality 7075 aluminum, its robust construction ensures lightweight capabilities without compromising on torque capacity or durability. With the ability to operate smoothly at high speeds of up to 6,000 RPM, perfect for demanding applications that require minimal vibration and zero-backlash performance. Its balanced design, supported by strict manufacturing controls in the USA, highlights its suitability for operational excellence in various industrial environments.
Manufactured from premium 7075 aluminum for enhanced strength and reduced weight
Optimized for high-speed operations, reaching performance levels of up to 6,000 RPM
Zero-backlash design ensures precise alignment and greater torque transmission
Robust clamp style mechanism prevents slippage, enhancing reliability in application
High torque capacity enables utilization in demanding applications without risk of failure
Tested beyond DIN standards for maximum torque and structural integrity
Related links
- Ruland Beam 7 mm 31.8mm Length Flexible Coupling
- Ruland Beam 7 mm 31.8mm Length Flexible Coupling
- Ruland Beam 7 mm 31.8mm Length Flexible Coupling
- Ruland Beam 8 mm 31.8mm Length Flexible Coupling
- Ruland Beam 6 mm 31.8mm Length Flexible Coupling
- Ruland Beam 8 mm 31.8mm Length Flexible Coupling
- Ruland Beam 7mm Bore, 31.8mm Length Flexible Coupling
- Ruland Beam 9 mm 31.8mm Length Flexible Coupling
