THK RU228G High Precision Cross Roller Bearing Low Runout Slewing Bearing 160x295x35mm for Robotics
RU228G High Precision Cross Roller Bearing 160x295x35mm | Low Runout Slewing Bearing for Robotics & Precision Automation
Product Overview
The RU228G Cross Roller Bearing is a high-precision upgraded version of the RU228 series, engineered for applications requiring superior accuracy, smooth rotation, and minimal runout. With dimensions of 160mm inner diameter, 295mm outer diameter, and 35mm width, it delivers excellent rigidity, stability, and consistent motion performance.
Designed with a refined crossed cylindrical roller structure and tighter manufacturing tolerances, the RU228G ensures high positioning accuracy and long-term reliability in precision automation and robotic systems.
- Model: RU228G
- Size: 160x295x35mm
- High precision grade with low runout
- Smooth and stable rotation
- Ideal for high-end robotics and automation systems
Key Features
- Ultra High Precision: Tight tolerances ensure accurate and repeatable motion.
- Low Runout Performance: Reduced vibration and deviation for smoother operation.
- High Rigidity: Crossed roller structure provides strong stiffness under load.
- Stable Rotation: Optimized raceways minimize friction and improve consistency.
- Integrated Ring Design: Simplifies installation and enhances structural stability.
- Extended Service Life: Heat-treated GCR15 bearing steel ensures durability.
Technical Specifications
| Parameter | RU228G |
|---|---|
| Model | RU228G |
| Inner Diameter (ID) | 160 mm |
| Outer Diameter (OD) | 295 mm |
| Width (H) | 35 mm |
| Type | Cross Roller Bearing |
| Structure | Integrated Ring, Crossed Cylindrical Rollers |
| Material | Bearing Steel (GCR15) |
| Preload | C0 / Precision Preload Optional |
| Accuracy Class | P5 / Higher optional |
| Application | Robotics, Precision Automation, Rotary Systems |
Applications
- High-End Industrial Robots – Ensures precise joint movement and repeatability.
- Precision Automation Equipment – Ideal for high-accuracy positioning systems.
- CNC & Rotary Tables – Provides stable and accurate rotational control.
- Advanced Robotics Systems – Suitable for applications requiring ultra-smooth motion.
| 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 |
Why Choose GQZ Bearing?
- Industrial-Grade Quality: Designed for demanding heavy-load environments.
- Reliable Delivery: Efficient production and global logistics support.
- Technical Expertise: Professional guidance for selection and system integration.
- Customization Available: OEM/ODM solutions tailored to your project needs.
FAQ
Q1: What does the “G” version indicate in RU228G?
A1: It represents a higher precision grade with lower runout and improved rotational accuracy.
Q2: Is RU228G suitable for precision automation systems?
A2: Yes, it is specifically designed for applications requiring high accuracy and smooth motion.
Q3: Can you provide customized precision levels?
A3: Yes, we offer higher precision grades and custom configurations upon request.
Achieve superior precision with RU228G Cross Roller Bearing.
Contact us today for pricing, customization, or technical consultation!
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.