Ruland, 50.8 mm OD 20 mm, 61.3 mm Length Flexible Coupling 12 mm
- RS Stock No.:
- 592-999
- Mfr. Part No.:
- MBCK51-20-12-A
- Brand:
- Ruland
Subtotal (1 unit)*
$425.76
(exc. GST)
$468.34
(inc. GST)
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- Shipping from 06 April 2026
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Units | Per unit |
|---|---|
| 1 + | $425.76 |
*price indicative
- RS Stock No.:
- 592-999
- Mfr. Part No.:
- MBCK51-20-12-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 | 8.138 x 10-5 kg/m² | |
| Misalignment - Angular | 2.0° | |
| Misalignment - Parallel | 0.25mm | |
| Hub Material | Aluminium | |
| Misalignment - Axial | 0.50mm | |
| Bore Size B | 12mm | |
| Minimum Operating Temperature | -40°F | |
| Bellows Material | 321 Stainless Steel | |
| Bore Size A | 20mm | |
| Maximum Operating Temperature | 200°F | |
| Series | MBCK51 | |
| 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 8.138 x 10-5 kg/m² | ||
Misalignment - Angular 2.0° | ||
Misalignment - Parallel 0.25mm | ||
Hub Material Aluminium | ||
Misalignment - Axial 0.50mm | ||
Bore Size B 12mm | ||
Minimum Operating Temperature -40°F | ||
Bellows Material 321 Stainless Steel | ||
Bore Size A 20mm | ||
Maximum Operating Temperature 200°F | ||
Series MBCK51 | ||
Standards/Approvals DIN 912 12.9, ISO 9001:2015, REACH, RoHS3 | ||
Screw Size M5 | ||
- COO (Country of Origin):
- US
The Ruland Bellows Coupling engineered for precision positioning applications. This coupling integrates two anodised aluminium hubs and a stainless steel bellows, designed to confront torsional loads while accommodating all forms of misalignment. Its unique construction, featuring fewer convolutions than comparable styles, enhances torsional stiffness, making it perfect for applications that require stringent performance standards. Built to sustain high rotational speeds of up to 10,000 RPM, this coupling is compliant with RoHS3 and REACH standards, ensuring it meets modern environmental and safety criteria. The meticulous manufacturing process guarantees each unit is produced from carefully selected materials, sourced exclusively from North American suppliers, reflecting Ruland's commitment to quality and reliability.
High stiffness design enhances performance in precision applications
Constructed with anodised aluminium and stainless steel for lightweight durability
Balanced design reduces vibrations during high speed operations
Accommodates all forms of misalignment without compromising performance
Machined from carefully selected bar stock for exceptional quality
Complies with international standards for environmental safety and reliability
Superior torque capabilities allow for reliable operation under demanding conditions
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