Ruland, 1.75 in OD 18 mm, 2.75 in Length 18 mm Beam Coupling
- RS Stock No.:
- 801-189
- Mfr. Part No.:
- ROCMD44-18-18-AN
- Brand:
- Ruland
Image representative of range
Subtotal (1 unit)*
£179.94
(exc. VAT)
£215.93
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 22 July 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £179.94 |
*price indicative
- RS Stock No.:
- 801-189
- Mfr. Part No.:
- ROCMD44-18-18-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 | 1.75in | |
| Length | 2.75in | |
| Maximum Speed | 6000rpm | |
| Torque Rating | 12.99nm | |
| Moment of Inertia | 63.399 x10⁻⁰⁶ kg-m² | |
| Number of Beams | 6 | |
| Misalignment - Angular | 6° | |
| Misalignment - Parallel | 1.4mm | |
| Style | Clamp | |
| Misalignment - Axial | 0.64mm | |
| Minimum Operating Temperature | -40°C | |
| Bore Size A | 18mm | |
| Material | Aluminium | |
| Bore Size B | 18mm | |
| Series | ROCMD | |
| Maximum Operating Temperature | 107°C | |
| Standards/Approvals | RoHS3 | |
| Screw Size | M6 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Beam Coupling | ||
Outside Diameter 1.75in | ||
Length 2.75in | ||
Maximum Speed 6000rpm | ||
Torque Rating 12.99nm | ||
Moment of Inertia 63.399 x10⁻⁰⁶ kg-m² | ||
Number of Beams 6 | ||
Misalignment - Angular 6° | ||
Misalignment - Parallel 1.4mm | ||
Style Clamp | ||
Misalignment - Axial 0.64mm | ||
Minimum Operating Temperature -40°C | ||
Bore Size A 18mm | ||
Material Aluminium | ||
Bore Size B 18mm | ||
Series ROCMD | ||
Maximum Operating Temperature 107°C | ||
Standards/Approvals RoHS3 | ||
Screw Size M6 | ||
- COO (Country of Origin):
- US
The Ruland coupling is a six beam design specifically engineered to accommodate 18mm x 18mm bores, ensuring reliable torque transmission in Compact spaces.
Constructed from 7075 aluminium, providing lightweight durability
Features two sets of three spiral cuts for enhanced misalignment accommodation
Max shaft penetration up to 34.0 mm for versatile fitting
Allen head screws MADE of alloy steel ensure secure mounting
Temperature resistant from -40°F to 225°F for broader operational range
Manufactured under strict controls to meet international compliance standards
Related links
- Ruland 2.75 in Length 14 mm Beam Coupling
- Ruland 2.75 in Length 18 mm Beam Coupling
- Ruland 2.75 in Length 18 mm Beam Coupling
- Ruland 2.75 in Length 16 mm Beam Coupling
- Ruland 2.75 in Length 15 mm Beam Coupling
- Ruland 2.75 in Length 17 mm Beam Coupling
- Ruland 2.75 in Length 18 mm Beam Coupling
- Ruland 2.75 in Length 18 mm Beam Coupling