Crossed Roller Bearing XSU140944 – High Precision & Reliability
The XSU140944 crossed roller bearing is a high-precision bearing developed for applications where accuracy, rigidity, and durability are essential. With rollers arranged in a crisscross pattern, this bearing is capable of handling radial, axial, and moment loads all at once, making it a reliable choice for complex motion systems.
Technical Parameters – XSU140944 Crossed Roller Bearing
| Inner Diameter (d) | 874mm |
| Outer Diameter (D) | 1014mm |
| Bearing Width (B) | 56mm |
| Dynamic Axial Load (Ca) | 360 |
| Static Axial Load (C0a) | 1170 |
| Dynamic Radial Load (Cr) | 227 |
| Static Radial Load (C0r) | 580 |
| Weight | 67kg |
| Structure | Integrated inner/outer rings with mounting holes |
| Applications | Heavy-duty rotary tables, robotic axes, precision machine tools |
Why Choose the XSU140944 Bearing?
✔ Superior Precision – Integrated ring structure ensures outstanding rotational accuracy and stable performance.
✔ Compact & Rigid Design – Ideal for limited installation spaces while maintaining excellent stiffness under heavy loads.
✔ Long Service Life – Manufactured from high-quality materials with advanced heat treatment and precision grinding.
✔ Ease of Assembly – Preloaded design minimizes installation errors and reduces maintenance requirements.
✔ Proven Performance – Widely trusted by global customers in robotics, machine tools, aerospace, and medical technology.
Applications
The XSU140944 crossed roller bearing is the preferred solution for:
- CNC rotary tables and indexing equipment
- Robotics and automation joints
- Medical imaging systems (CT scanners, surgical robots)
- Aerospace & defense equipment
- Precision measuring instruments
- Semiconductor processing machinery
Specifications of Similar XSU Types
| Model | Inner Diameter (d) | Outer Diameter (D) | Width (B) | Typical Applications |
|---|---|---|---|---|
| XSU140944 | 874 mm | 1014 mm | 56 mm | Large rotary tables, heavy robotics, precision machining centers |
| XSU140744 | 674 mm | 814 mm | 56 mm | Medium-size machine tools, automation turntables |
| XSU140544 | 474 mm | 614 mm | 56 mm | Compact rotary axes, inspection platforms |
| XSU080318 | 280 mm | 355 mm | 25.4 mm | Small robotics, measuring instruments, light automation units |
Comparison: XSU140944 vs. RA / RB / CRBH Series
- The XSU140944 offers a balance of rigidity, accuracy, and simplified installation, making it suitable for heavy-duty precision applications.
- The RA series is best for compact, lightweight systems where space saving is a priority.
- The RB series provides high rigidity but requires more careful installation.
- The CRBH series is a slim, integrated option for aerospace and medical technology.
Quality You Can Trust
Every XSU140944 bearing is subject to strict quality control, including dimensional checks, clearance testing, surface finishing inspection, and noise/vibration analysis. Products are cleaned, demagnetized, coated with anti-rust oil, and packed in protective cartons to ensure safe delivery worldwide.
Your Reliable Bearing Partner
Choosing the XSU140944 crossed roller bearing means choosing long-term performance and dependable service. With years of manufacturing expertise, we provide not only precision bearings but also customized solutions to meet your specific engineering needs.
Frequently Asked Questions (FAQ)
What benefits does it bring to automation production lines?
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In indexing tables and positioning systems, the XSU140944 ensures accurate alignment and smooth transitions between stations. Its simplified mounting reduces downtime during maintenance or replacement.
Is the XSU140944 bearing interchangeable with other series?
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No. While it shares the crossed roller concept with other XSU bearings, its size, thickness, and mounting dimensions are specific. Always confirm compatibility with equipment requirements before replacement.
Can this bearing be used in both vertical and horizontal orientations?
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Yes. The XSU140944 is designed to function reliably regardless of orientation, making it versatile for machine tools, robotic axes, and large-scale automation systems.
How can downtime be reduced during maintenance?
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The integrated mounting holes simplify disassembly and reinstallation, which shortens service intervals. Regular lubrication and inspection also help extend the operating cycle.
What type of applications benefit most from the XSU140944?
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It is commonly used in heavy machining centers, precision indexing tables, large robotic arms, and advanced inspection platforms that require long-term accuracy under heavy load.
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