Precision XSU080318 Crossed Roller Slewing Bearing 280×355×25.4 mm for Robotics & Industrial Automation
Precision XSU080318 Crossed Roller Slewing Bearing 280×355×25.4 mm for Robotics & Industrial Automation
Product Overview
The XSU080318 Precision Cross Cylindrical Roller Bearing is a high-rigidity slewing bearing designed for robotic systems, heavy-duty automation equipment, and precision rotary applications. With dimensions of 280mm ID × 355mm OD × 25.4mm width, it delivers excellent load capacity, structural stability, and high rotational accuracy.
The XSU series features an integrated inner and outer ring with mounting holes, allowing direct installation without additional flanges or housings. Its crossed cylindrical roller structure enables the bearing to simultaneously support radial, axial, and moment loads, making it ideal for robot joints, slewing systems, and high-precision positioning equipment.
Key Features
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Integrated Mounting Structure
Inner and outer rings with pre-drilled holes for easy installation -
High Load Capacity & Rigidity
Designed for heavy-duty and high-precision applications -
Precision Rotation Performance
Suitable for robotics and positioning systems -
Compact Slewing Ring Design
Saves space while maintaining strong performance -
Smooth Operation & Long Service Life
Low friction, low vibration, high durability
Technical Specifications
| Parameter | Value |
|---|---|
| Model | XSU080318 |
| Type | Crossed Roller Slewing Bearing |
| Inner Diameter (ID) | 280 mm |
| Outer Diameter (OD) | 355 mm |
| Width | 25.4 mm |
| Structure | Integrated Inner & Outer Ring with Mounting Holes |
| Material | GCr15 Chrome Steel |
| Accuracy Grade | P5 / P4 (Optional) |
Applications
The XSU080318 crossed roller slewing bearing is widely used in:
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Industrial robots and robotic arms
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Automation and assembly systems
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CNC rotary tables and indexing systems
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Radar and antenna positioning systems
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Semiconductor manufacturing equipment
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Heavy machinery and material handling systems
Related Models (Thin Crossed Roller Bearing Series)
| INA Model | Da | di | Di | da | La | Li | nB1 | Ca | Coa | Cr | Cor | KG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XSU080168 | 205 | 130 | 174 | 159 | 190 | 145 | 12 | 65 | 243 | 41.4 | 119 | 3.3 |
| XSU080188 | 225 | 150 | 194 | 179 | 210 | 165 | 16 | 70 | 270 | 44.5 | 133 | 3.7 |
| XSU080218 | 255 | 180 | 224 | 209 | 240 | 195 | 20 | 76 | 315 | 48 | 154 | 4.3 |
| XSU080258 | 295 | 220 | 264 | 249 | 280 | 235 | 24 | 83 | 370 | 53 | 182 | 5.1 |
| XSU080318 | 355 | 280 | 324 | 309 | 340 | 295 | 28 | 94 | 465 | 60 | 228 | 6.3 |
| XSU080398 | 435 | 360 | 404 | 389 | 420 | 375 | 36 | 106 | 580 | 67 | 285 | 7.8 |
Why Choose GQZ Bearing?
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High Precision (P5/P4) for laser applications
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Factory Direct Pricing with reliable quality
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Fast Delivery & Stable Supply
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OEM & Custom Engineering Support
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Strict Quality Control (ISO9001)
FAQ
1. What are the advantages of XSU crossed roller bearings?
They offer high rigidity, compact structure, and the ability to support multi-directional loads, making them ideal for precision rotation systems.
2. Is XSU080318 suitable for robotic applications?
Yes, it is widely used in robot joints and automation systems due to its high accuracy and stability.
3. Can you provide customization for this bearing?
Yes, we support custom preload, sealing, lubrication, and material options based on your application needs.
Request a Quote
Looking for a reliable XSU080318 crossed roller bearing supplier?
Contact us now to get:
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Competitive price
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Technical drawings
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Bulk order support
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.