Ruland MBC51-24-20-A 2024 or 7075 Aluminum Hubs Bellows Coupling, Clamp Style, 24 mm x 20 mm Bores, 50.8 mm OD, 58.7 mm Length
- Bellows coupling have zero-backlash with high torsional stiffness for high accuracy and repeatability
- Manufactured from high strength 2024 aluminum with a balanced design for reduced vibration at speeds up to 10,000 RPM
- Thin walls of the bellows allow the coupling to flex easily while remaining rigid under torsional loads
- Manufactured from 7075 aluminum for light weight and low inertia.
- Hardware exceeds DIN 912 12.9 standards for maximum torque capabilities. Ruland beam couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant.
Ruland MBC51-20-12-A 2024 or 7075 Aluminum Hubs Bellows Coupling, Clamp Style, 20 mm x 12 mm Bores, 50.8 mm OD, 58.7 mm Length
| DIMENSIONS | |||
|---|---|---|---|
| Bore (B1) | 20 mm | Small Bore (B2) | 12 mm |
| B1 Max Shaft Penetration | 27.9 mm | B2 Max Shaft Penetration | 27.9 mm |
| Outer Diameter (OD) | 50.8 mm | Bore Tolerance | +0.03 mm / -0.00 mm |
| Length (L) | 61.3 mm | Length Tolerance | +/- 0.76 mm |
| Hub Width (LH) | 20.55 mm | Recommended Shaft Tolerance | +0.000 mm / -0.013 mm |
| FASTENING HARDWARE | |||
| Forged Clamp Screw | M5 | Screw Material | Alloy Steel |
| Hex Wrench Size | 4.0 mm | Screw Finish | Black Oxide |
| Seating Torque | 9.5 Nm | Number of Screws | 2 ea |
| PEFORMANCE SPECIFICATIONS | |||
| Dynamic Torque Reversing | 11.30 Nm | Angular Misalignment | 2.0° |
| Dynamic Torque Non-Reversing | 22.60 Nm | Parallel Misalignment | 0.25 mm |
| Static Torque | 45.2 Nm | Axial Motion | 0.50 mm |
| Torsional Stiffness | 108 Nm/Deg | Moment of Inertia | 81.191 x10-6 kg-m2 |
| Maximum Speed | 10,000 RPM | Full Bearing Support Required? | Yes |
| Zero-Backlash? | Yes | Balanced Design | Yes |
| RECOMMENDED INSTALLATION TOOLS | |||
| Torque Wrench | TW:BT-4C-3/8-86 | Recommended Hex Key | Metric Hex Keys |
| ADDITIONAL INFORMATION | |||
| Material Specification | Hubs: 2024-T351 Aluminum Bar Bellows: Type 321 Stainless Steel | Temperature | -40°F to 200°F (-40°C to 93°C) |
| Finish Specification | Sulfuric Anodized MIL-A-8625 Type II, Class 2 and ASTM B580 Type B Black Anodize | Bellows Attachment Method | Epoxy |
| Manufacturer | Ruland Manufacturing | Country of Origin | USA |
| Weight (lbs) | 0.476500 | UPC | 634529064351 |
| Tariff Code | 8483.60.8000 | UNSPC | 31163018 |
Ruland MBC51-20-14-A 2024 or 7075 Aluminum Hubs Bellows Coupling, Clamp Style, 20 mm x 14 mm Bores, 50.8 mm OD, 58.7 mm Length
- Bellows coupling have zero-backlash with high torsional stiffness for high accuracy and repeatability
- Manufactured from high strength 2024 aluminum with a balanced design for reduced vibration at speeds up to 10,000 RPM
- Thin walls of the bellows allow the coupling to flex easily while remaining rigid under torsional loads
- Hardware tests beyond DIN 912 12.9 standards for maximum torque capabilities
- Ruland bellows couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant
- Bellows coupling have zero-backlash with high torsional stiffness for high accuracy and repeatability
- Manufactured from high strength 2024 aluminum with a balanced design for reduced vibration at speeds up to 10,000 RPM
- Thin walls of the bellows allow the coupling to flex easily while remaining rigid under torsional loads
- Hardware tests beyond DIN 912 12.9 standards for maximum torque capabilities
- Ruland bellows couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant
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