High Precision INA XSU080218 Crossed Roller Slewing Bearing 180×255×25.4 mm for Crane & Heavy Equipment
High Precision INA XSU080218 Crossed Roller Slewing Bearing 180*255*25.4 mm for Crane & Heavy Equipment
Product Overview
The XSU080218 Crossed Roller Slewing Bearing is a high-rigidity, precision-engineered bearing designed for crane systems, heavy machinery, and industrial automation equipment. With dimensions of 180mm ID * 255mm OD * 25.4mm width, it delivers excellent load capacity, structural stability, and rotational accuracy under demanding conditions.
The XSU series features an integrated inner and outer ring structure with mounting holes, allowing direct installation without additional housings. Its crossed cylindrical roller design enables the bearing to support radial, axial, and moment loads simultaneously, making it ideal for slewing and rotation applications in heavy-duty equipment.
Key Features
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Integrated Structure with Mounting Holes
Simplifies installation and reduces assembly time -
High Load Capacity & Rigidity
Suitable for crane rotation and heavy-duty machinery -
High Precision Rotation
Ensures stable and accurate positioning -
Compact Slewing Design
Saves space while maintaining performance -
Smooth Operation & Long Service Life
Low friction, reduced wear, high durability
Technical Specifications
| Parameter | Value |
|---|---|
| Model | XSU080218 |
| Type | Crossed Roller Slewing Bearing |
| Inner Diameter (ID) | 180 mm |
| Outer Diameter (OD) | 255 mm |
| Width | 25.4 mm |
| Structure | Integrated Inner & Outer Ring with Mounting Holes |
| Material | GCr15 Chrome Steel |
| Accuracy Grade | P5 / P4 (Optional) |
Applications
The XSU080218 crossed roller slewing bearing is widely used in:
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Crane rotation systems
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Construction and heavy machinery
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Industrial robots and automation equipment
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CNC rotary tables
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Radar and positioning systems
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Material handling equipment
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 makes XSU080218 suitable for crane applications?
Its high rigidity, large load capacity, and ability to handle combined loads make it ideal for crane slewing systems.
2. Does this bearing require a housing?
No, the XSU series features an integrated mounting structure, allowing direct installation without additional housing.
3. Can you customize this bearing for heavy equipment?
Yes, we offer custom preload, sealing, lubrication, and material solutions based on your application requirements.
Request a Quote
Looking for a reliable XSU080218 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.



