XSU140544 Crossed Roller Bearing
Key Features & Advantages:
- Integrated Structure: Outer and inner rings come with mounting holes, allowing direct installation without the need for additional housings, saving assembly time and cost.
- High Load Capacity: With rollers arranged orthogonally, the bearing can support loads from multiple directions simultaneously, ensuring reliability under heavy working conditions.
- Precision Performance: Manufactured with strict tolerances, the XSU140544 provides smooth rotation and consistent accuracy, ideal for high-precision equipment.
- Versatile Options: Available with different cage designs and surface treatments to suit varied operating environments, from industrial robotics to machine tools and rotary tables.
- Durability & Rigidity: Its robust construction reduces deformation under load, extending service life while maintaining stable performance.
Comparison of XSU140544 with Other Models
| Model | Inner Dia. (mm) | Outer Dia. (mm) | Width (mm) | Ca (KN) |
COa (kN) | Cr (KN) |
Cor (KN) |
Typical Use Case | Key Advantage |
|---|---|---|---|---|---|---|---|---|---|
| XSU080258 | 220 | 295 | 25.4 | ≈ 84 | ≈ 375 | ≈ 54 | ≈ 151 | Compact rotary tables, automation | Slim design, space-saving |
| XSU080318 | 280 | 355 | 25.4 | ≈ 93 | ≈ 465 | ≈ 59 | ≈ 185 | Robotics joints, small CNC systems | Lightweight with good load balance |
| XSU140544 | 474 | 614 | 56 | ≈ 270 | ≈ 680 | ≈ 170 | ≈ 330 | Aerospace, large CNC machinery | High rigidity & heavy load performance |
| XSU140744 | 674 | 814 | 56 | ≈ 315 | ≈ 930 | ≈ 200 | ≈ 455 | Medical imaging, defense, heavy automation | Maximum load capacity & extra stability |
Highlights of XSU140544 in Comparison
- More Balanced than Smaller Models: Compared with XSU080258 and XSU080318, the XSU140544 provides much higher rigidity and endurance, making it more suitable for heavy-duty systems.
- Compact but Stronger than Larger Models: Compared with XSU140744, it offers similar rigidity with a slightly smaller footprint, ideal where both strength and space efficiency are required.
- Best Fit for Heavy Precision Applications: Aerospace and large CNC systems benefit from its optimized balance between size, load capacity, and precision.
Frequently Asked Questions FAQ
What installation benefits does the XSU140544 offer?
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Both inner and outer rings come with pre-drilled mounting holes, allowing direct installation without extra housings. This simplifies assembly and reduces the risk of misalignment in precision equipment.
What lubrication method is recommended for this model?
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Both grease and oil lubrication are possible. For most CNC and aerospace applications, high-quality lithium-based grease is preferred. Oil circulation systems are recommended for continuous high-speed or high-temperature environments.
How long is the supply lead time for the XSU140544?
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Lead time varies by stock availability and customization requirements. Standard versions are often available for quick shipment, while special cage or surface treatment options may require longer production time.
Does the XSU140544 require special handling during installation?
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Yes. Since it is a precision bearing, it should be mounted in a clean environment using proper torque control. Any contamination or excessive force may affect rotational accuracy and shorten lifespan.
Can I replace smaller XSU models with the XSU140544?
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Not directly. While the XSU140544 provides higher rigidity and load ratings, it also has larger dimensions. Replacement depends on the machine's design space and load requirements, so consulting technical engineers is recommended.
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