RU42 Cross Roller Bearing for Harmonic Reducer | Precision Robot Joint Bearing for Humanoid Robotics
The RU42 Cross Roller Bearing is a high-precision bearing specifically designed for harmonic reducers and advanced robotic joints. Engineered for humanoid robotics and compact automation systems, it delivers exceptional rotational accuracy, rigidity, and smooth motion performance.
With an integrated inner and outer ring design, the RU42 bearing simplifies installation while maintaining high stiffness and load capacity in multi-directional applications.
- Model: RU42
- Designed for harmonic drive and precision reducers
- High rigidity and compact structure
- Smooth rotation with minimal backlash
- Ideal for humanoid robots and high-end automation
- Optimized for Harmonic Reducers: Ensures precise transmission and stable motion in gear systems.
- High Precision Rotation: Suitable for applications requiring accurate positioning and repeatability.
- Integrated Structure: Inner and outer rings are integrated for easier installation and improved rigidity.
- Compact Design: Ideal for space-constrained robotic joints and lightweight systems.
- Multi-Load Capability: Supports radial, axial, and moment loads simultaneously.
- Long Service Life: Made from high-quality bearing steel with heat treatment.
| Parameter | RU42 |
|---|---|
| Model | RU42 |
| Type | Cross Roller Bearing |
| Structure | Integrated Inner & Outer Ring |
| Material | Bearing Steel (GCR15) |
| Preload | C0 / Custom |
| Accuracy Class | P6 / P5 optional |
| Rotation | High precision, low friction |
| Application | Harmonic Reducers, Humanoid Robots, Precision Robotics |
- Humanoid Robotics – Enables smooth, precise joint movement for advanced robotic systems.
- Harmonic Drive Systems – Provides high accuracy and rigidity for reducers.
- Collaborative Robots (Cobot) – Ensures safe and stable motion control.
- Precision Automation Equipment – Suitable for compact, high-precision motion systems.
| Model | d | D | B | C | Co | kg |
|---|---|---|---|---|---|---|
| RU28 | 10 | 52 | 8 | 2.91 | 2.43 | 0.12 |
| RU42 | 20 | 70 | 12 | 7.35 | 8.35 | 0.29 |
| - | 25 | 80 | 12 | 8.61 | 10.6 | 0.4 |
| RU66 | 35 | 95 | 15 | 17.5 | 22.3 | 0.66 |
| RU85 | 55 | 120 | 15 | 20.3 | 29.5 | 1 |
| RU124 | 80 | 165 | 22 | 33.1 | 50.9 | 2.6 |
| RU124G | 80 | 165 | 22 | 33.1 | 50.9 | 2.6 |
| RU124X | 80 | 165 | 22 | 33.1 | 50.9 | 2.6 |
| RU148 | 90 | 210 | 25 | 49.1 | 76.8 | 4.9 |
| RU148G | 90 | 210 | 25 | 49.1 | 76.8 | 4.9 |
| RU148X | 90 | 210 | 25 | 49.1 | 76.8 | 4.9 |
| RU178 | 115 | 240 | 28 | 80.3 | 135 | 6.8 |
| RU178G | 115 | 240 | 28 | 80.3 | 135 | 6.8 |
| RU178X | 115 | 240 | 28 | 80.3 | 135 | 6.8 |
| RU228 | 160 | 295 | 35 | 104 | 173 | 11.4 |
| RU228G | 160 | 295 | 35 | 104 | 173 | 11.4 |
| RU228X | 160 | 295 | 35 | 104 | 173 | 11.4 |
| RU297 | 210 | 380 | 40 | 156 | 281 | 21.3 |
| RU297G | 210 | 380 | 40 | 156 | 281 | 21.3 |
| RU297X | 210 | 380 | 40 | 156 | 281 | 21.3 |
| RU445 | 350 | 540 | 45 | 222 | 473 | 35.4 |
| RU445G | 350 | 540 | 45 | 222 | 473 | 35.4 |
| RU445X | 350 | 540 | 45 | 222 | 473 | 35.4 |
- Precision Focused: Designed for high-end robotics and reducer applications.
- Stable Quality: Strict manufacturing and inspection standards.
- Fast Response: Quick quotation and global delivery.
- Customization Available: Tailored solutions for robotic systems.
A1: Yes, it is specifically designed for harmonic drive systems requiring high precision and rigidity.
Q2: Can this bearing be used in humanoid robots?A2: Absolutely, it is ideal for humanoid robotic joints due to its compact design and smooth motion.
Q3: Do you support customization for robotic applications?A3: Yes, we offer customization options including preload, precision grade, and material selection.
Enhance your robotic system with RU42 Cross Roller Bearing.
Contact us today for pricing, customization, or technical support!
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