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Description:
Ruland part number MBCK33-15-8-A is an aluminum bellows coupling with 15mm x 8mm bores with keyways. Download a 2D/3D CAD file or purchase the MBCK33-15-8-A directly from the manufacturer.
Attributes
| Key ^ | Value |
|---|---|
| Angular Misalignment | 1.5? |
| Axial Motion | 0.40 mm |
| B1 Max Shaft Penetration, B2 Max Shaft Penetration | 20.4 mm |
| Balanced Design, Full Bearing Support Required?, Zero-Backlash? | Yes |
| Bellows Attachment Method | Epoxy |
| Bore (B1) | 15 mm |
| Bore Tolerance | +0.03 mm / -0.00 mm |
| Country of Origin | USA |
| Dynamic Torque Non-Reversing | 6.80 Nm |
| Dynamic Torque Reversing | 3.40 Nm |
| Finish Specification | Sulfuric Anodized MIL-A-8625 Type II, Class 2 and ASTM B580 Type B Black Anodize |
| Forged Clamp Screw | M3 |
| Hex Wrench Size | 2.5 mm |
| Hub Width (LH) | 15.00 mm |
| Keyway (K1) | 5 mm |
| Keyway (K2) | 2 mm |
| Length (L) | 43.2 mm |
| Length Tolerance | +/- 0.76 mm |
| Manufacturer | Ruland Manufacturing |
| Material Specification | Hubs: 2024-T351 Aluminum Bar |
| Maximum Speed | 10,000 RPM |
| Moment of Inertia | 1.118 x 10 |
| Note 1 | Stainless steel hubs are available upon request. |
| Note 2 | Torque ratings are at maximum misalignment. |
| Note 3 | Performance ratings are for guidance only. The user must determine suitability for a particular application. |
| Note 4 | Torque ratings for the couplings are based on the physical limitations/failure point of the metal bellows. Under normal/typical conditions the hubs are capable of holding up to the rated torque of the metal bellows. Please consult technical support for more assistance. |
| Number of Screws | 2 ea |
| Outer Diameter (OD) | 33.3 mm |
| Parallel Misalignment | 0.15 mm |
| Recommended Shaft Tolerance | +0.000 mm / -0.013 mm |
| Screw Finish | Black Oxide |
| Screw Material | Alloy Steel |
| Seating Torque | 2.1 Nm |
| Small Bore (B2) | 8 mm |
| Static Torque | 13.6 Nm |
| Tariff Code | 8483.60.8000 |
| Temperature | -40?F to 200?F (-40?C to 93?C) |
| Torsional Stiffness | 45 Nm/Deg |
| UNSPC | 31163018 |
| UPC | 634529165454 |
| Weight (lbs) | 0.147500 |