Ruland, 50.8 mm OD 18 mm, 61.3 mm Length Flexible Coupling 12 mm
- RS Stock No.:
- 592-987
- Mfr. Part No.:
- MBC51-18-12-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.:
- 592-987
- Mfr. Part No.:
- MBC51-18-12-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 | 81.476 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 | |
| Bore Size B | 12mm | |
| Minimum Operating Temperature | -40°F | |
| 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 81.476 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 | ||
Bore Size B 12mm | ||
Minimum Operating Temperature -40°F | ||
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 is a premium high stiffness bellows coupling designed for precision positioning applications. Crafted with an anodised aluminium hub and a durable stainless steel bellows, this coupling boasts a balanced design that significantly reduces vibration, making it perfect for high speed operations up to 10,000 RPM. With its unique configuration featuring fewer convolutions, it permits greater torsional stiffness, ensuring reliability even under conditions of misalignment. Manufactured in an ISO 9001:2015 certified facility, the product adheres to strict quality controls, using bar stock sourced from North American mills. Compliance with RoHS3, REACH, and Conflict Minerals regulations underscores its commitment to safety and environmental standards.
Designed for high torque capabilities to accommodate demanding applications
Provides exceptional performance with a maximum speed of 10000 RPM
Features a lightweight construction that reduces inertia for faster response times
Balancing design promotes stability and minimises unwanted vibrations
Manufactured from high quality materials for enhanced durability and longevity
Offers robust tolerances that align perfectly with precision engineering standards
Installs easily with clearly defined torque specifications for secure fittings
Environmentally compliant materials ensure safety during operation
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