Ruland, 50.8 mm OD 18 mm, 61.3 mm Length Flexible Coupling 18 mm
- RS Stock No.:
- 591-644
- Mfr. Part No.:
- MBC51-18-18-A
- Brand:
- Ruland
Subtotal (1 unit)*
$377.52
(exc. GST)
$415.27
(inc. GST)
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- Shipping from 06 April 2026
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Units | Per unit |
|---|---|
| 1 + | $377.52 |
*price indicative
- RS Stock No.:
- 591-644
- Mfr. Part No.:
- MBC51-18-18-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 | 50.8 mm | |
| Length | 61.3mm | |
| Maximum Speed | 10000rpm | |
| Torque Rating | 45.2Nm | |
| Moment of Inertia | 81.041 x 10-6 kg/m² | |
| Misalignment - Angular | 2.0° | |
| Misalignment - Parallel | 0.25mm | |
| Hub Material | Aluminium | |
| Misalignment - Axial | 0.50mm | |
| Bellows Material | 321 Stainless Steel | |
| Minimum Operating Temperature | -40°F | |
| Bore Size B | 18mm | |
| Bore Size A | 18mm | |
| Maximum Operating Temperature | 200°F | |
| Series | MBC51 | |
| Standards/Approvals | DIN 912 12.9, ISO 9001:2015, REACH, RoHS3 | |
| Screw Size | M5 | |
| Select all | ||
|---|---|---|
Brand Ruland | ||
Product Type Flexible Coupling | ||
Outside Diameter 50.8 mm | ||
Length 61.3mm | ||
Maximum Speed 10000rpm | ||
Torque Rating 45.2Nm | ||
Moment of Inertia 81.041 x 10-6 kg/m² | ||
Misalignment - Angular 2.0° | ||
Misalignment - Parallel 0.25mm | ||
Hub Material Aluminium | ||
Misalignment - Axial 0.50mm | ||
Bellows Material 321 Stainless Steel | ||
Minimum Operating Temperature -40°F | ||
Bore Size B 18mm | ||
Bore Size A 18mm | ||
Maximum Operating Temperature 200°F | ||
Series MBC51 | ||
Standards/Approvals DIN 912 12.9, ISO 9001:2015, REACH, RoHS3 | ||
Screw Size M5 | ||
- COO (Country of Origin):
- US
The Ruland Bellows Coupling designed to excel in precision positioning applications. Combining innovative engineering with premium materials, this coupling features 18mm x 18mm bores coupled with durable anodised aluminium hubs and robust stainless steel bellows. Its unique construction allows for superior torsional stiffness, making it ideal for scenarios demanding minimal backlash and excellent alignment capabilities. With a maximum speed of 10,000 RPM, the MBC51 18 18 A reliably supports high speed operations while maintaining a balanced design that mitigates vibrations. Additionally, it is meticulously manufactured in an ISO 9001:2015 certified facility, ensuring robust quality control and consistency across all units.
High stiffness construction provides enhanced torque transmission
Lightweight design decreases overall inertia for improved responsiveness
Balanced structure allows for smooth operation at elevated speeds
Accommodates various forms of misalignment for flexibility in applications
Reducing vibration enhances the performance lifecycle of connected machinery
Manufactured from selected materials to ensure durability and longevity
Meets stringent manufacturing and material compliance standards
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