XSU080398 Crossed Roller Slewing Bearing INA Heavy-Duty Robot Arm & Excavator Swing Bearing
XSU080398 Crossed Roller Slewing Bearing INA Heavy-Duty Robot Arm & Excavator Swing Bearing
Product Overview
The XSU080398 Cross Roller Bearing is a heavy-duty, high-precision slewing bearing designed for robot arms, excavator swing systems, and industrial rotation applications. Built with a crossed cylindrical roller structure, it can simultaneously support radial, axial, and moment loads, ensuring high rigidity and stable performance under demanding conditions.
As part of the XSU series, this bearing features an integrated inner and outer ring with mounting holes, allowing for direct installation without additional housings. It is ideal for applications requiring compact structure, high load capacity, and precise rotation control.
Key Features
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Heavy-Duty Slewing Design
Suitable for excavators and large robotic systems -
High Load Capacity & Rigidity
Handles combined loads in all directions -
Integrated Mounting Structure
Easy installation with pre-drilled mounting holes -
High Precision Rotation
Ensures accurate positioning and smooth movement -
Durable & Long Service Life
Low friction, wear-resistant, stable operation
Technical Specifications
| Parameter | Value |
|---|---|
| Model | XSU080398 |
| Type | Crossed Roller Slewing Bearing |
| Structure | Integrated Inner & Outer Ring with Mounting Holes |
| Material | GCr15 Chrome Steel |
| Accuracy Grade | P5 / P4 (Optional) |
| Lubrication | Grease / Oil |
| Sealing | Sealed / Open (Optional) |
Applications
The XSU080398 crossed roller bearing is widely used in:
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Robot arms and heavy robotic systems
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Excavator swing mechanisms
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Construction and mining equipment
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Industrial automation systems
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Crane and lifting equipment
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Rotary tables and positioning 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. Is XSU080398 suitable for excavator applications?
Yes, it is designed for heavy-duty rotation systems, making it ideal for excavator swing and construction equipment.
2. What are the advantages of crossed roller slewing bearings?
They provide high rigidity, compact design, and the ability to support radial, axial, and moment loads simultaneously.
3. Can this bearing be customized?
Yes, we offer custom dimensions, sealing, lubrication, and preload options based on your requirements.
Request a Quote
Looking for a reliable XSU080398 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.