Ruland, 2 in OD 21 mm, 3 in Length 20 mm Beam Coupling
- RS Stock No.:
- 801-669
- Mfr. Part No.:
- ROCMD51-21-20-AN
- Brand:
- Ruland
Image representative of range
Subtotal (1 unit)*
£242.92
(exc. VAT)
£291.50
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 24 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £242.92 |
*price indicative
- RS Stock No.:
- 801-669
- Mfr. Part No.:
- ROCMD51-21-20-AN
- 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 | Beam Coupling | |
| Outside Diameter | 2in | |
| Length | 3in | |
| Maximum Speed | 6000rpm | |
| Torque Rating | 20.3nm | |
| Moment of Inertia | 112.963 x10⁻⁰⁶ kg-m² | |
| Number of Beams | 6 | |
| Misalignment - Angular | 6° | |
| Misalignment - Parallel | 1.52mm | |
| Style | Clamp | |
| Misalignment - Axial | 0.76mm | |
| Material | Aluminium | |
| Minimum Operating Temperature | -40°C | |
| Bore Size B | 20mm | |
| Bore Size A | 21mm | |
| Series | ROCMD | |
| Maximum Operating Temperature | 107°C | |
| Standards/Approvals | RoHS3 | |
| Screw Size | M6 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Beam Coupling | ||
Outside Diameter 2in | ||
Length 3in | ||
Maximum Speed 6000rpm | ||
Torque Rating 20.3nm | ||
Moment of Inertia 112.963 x10⁻⁰⁶ kg-m² | ||
Number of Beams 6 | ||
Misalignment - Angular 6° | ||
Misalignment - Parallel 1.52mm | ||
Style Clamp | ||
Misalignment - Axial 0.76mm | ||
Material Aluminium | ||
Minimum Operating Temperature -40°C | ||
Bore Size B 20mm | ||
Bore Size A 21mm | ||
Series ROCMD | ||
Maximum Operating Temperature 107°C | ||
Standards/Approvals RoHS3 | ||
Screw Size M6 | ||
- COO (Country of Origin):
- US
The Ruland six beam coupling features a robust design suitable for precise mechanical connections, ensuring optimal performance in varied applications. Its construction utilises premium materials to enhance durability and functionality.
Machined from 7075 aluminium for a lightweight and low inertia solution
Capable of handling dynamic torque up to 10.15 Nm in reversing situations
Increased misalignment capability thanks to its unique beam structure
Includes a reference mark for easy identification of the larger bore