Ruland, 2 in OD 21 mm, 3 in Length 16 mm Beam Coupling
- RS Stock No.:
- 801-664
- Mfr. Part No.:
- ROCMD51-21-16-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 22 July 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.:
- 801-664
- Mfr. Part No.:
- ROCMD51-21-16-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 | 113.311 x10⁻⁰⁶ kg-m² | |
| Misalignment - Angular | 6° | |
| Number of Beams | 6 | |
| Misalignment - Parallel | 1.52mm | |
| Style | Clamp | |
| Misalignment - Axial | 0.76mm | |
| Bore Size B | 16mm | |
| Bore Size A | 21mm | |
| Material | Aluminium | |
| Minimum Operating Temperature | -40°C | |
| 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 113.311 x10⁻⁰⁶ kg-m² | ||
Misalignment - Angular 6° | ||
Number of Beams 6 | ||
Misalignment - Parallel 1.52mm | ||
Style Clamp | ||
Misalignment - Axial 0.76mm | ||
Bore Size B 16mm | ||
Bore Size A 21mm | ||
Material Aluminium | ||
Minimum Operating Temperature -40°C | ||
Series ROCMD | ||
Maximum Operating Temperature 107°C | ||
Standards/Approvals RoHS3 | ||
Screw Size M6 | ||
- COO (Country of Origin):
- US
The Ruland coupling offers exceptional flexibility for shaft alignment in various mechanical assemblies. Designed for high-performance applications, it ensures reliable torque transmission while accommodating angular and parallel misalignment.
Machined from a single piece of 7075 aluminium for lightweight durability
Features a unique six beam design for enhanced misalignment tolerance
Max torque capabilities surpass DIN 912 12.9 standards
Reference mark on the outer diameter aids in identifying bore sizes
Dynamic torque performance includes reversing and non-reversing ratings
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