Unique Value of the XSU140844 crossed roller bearing
While smaller bearings prioritize compactness and lightweight design, the XSU140844 is tailored for durability, stiffness, and operational stability in larger assemblies. This makes it a preferred solution for industries where downtime is costly and absolute precision is non-negotiable.
Large indexing tables and machining centers
Precision rotary axes in automation lines
Advanced measuring or inspection equipment where misalignment cannot be tolerated
Strong Structure
Durable raceways and design ensure long-lasting stability under heavy loads.
Accurate Rotation
Low runout keeps large equipment precise and well-aligned.
Easy Maintenance
Integrated design with preload reduces adjustment and servicing needs.
Reliable Versatility
Works steadily across different speeds and loads, extending machine life.
XSU140844 Technical Specifications
| Specification | Value |
|---|---|
| Inner Diameter(mm) | 744 |
| Outer Diameter(mm) | 914 |
| Width(mm) | 56 |
| Mounting Holes nB | 40 |
| Reference Dimension La | 890 |
| Reference Dimension Li | 798 |
| Dynamic Axial Load (Ca) | 340 |
| Static Axial Load (C0a) | 1050 |
| Dynamic Radial Load (Cr) | 215 |
| Static Radial Load (C0r) | 510 |
| Weight | 60 |
| Precision Class | P5 / P4 / P2 |
| Material | GCr15/GCr15SiMn |
| Lubrication | Grease |
Check More Types of XSU Crossed Roller Bearings
|
Type code |
Da |
di |
La |
na/ni |
Li |
Di |
da |
A |
B |
C |
D |
Weight/kg |
|
484 |
344 |
460 |
24 |
368 |
415 |
413 |
0.04 |
0.04 |
0.04 |
0.06 |
28 |
|
|
XSU140544 |
614 |
474 |
590 |
32 |
498 |
545 |
543 |
0.04 |
0.04 |
0.04 |
0.07 |
38 |
|
XSU140644 |
714 |
574 |
690 |
36 |
598 |
645 |
643 |
0.05 |
0.05 |
0.05 |
0.08 |
44 |
|
XSU140744 |
814 |
674 |
790 |
40 |
698 |
745 |
743 |
0.05 |
0.05 |
0.05 |
0.09 |
52 |
|
XSU140844 |
914 |
774 |
890 |
40 |
798 |
845 |
843 |
0.06 |
0.06 |
0.06 |
0.09 |
60 |
|
XSU140944 |
1014 |
874 |
990 |
44 |
898 |
945 |
943 |
0.11 |
0.11 |
0.11 |
0.11 |
67 |
Frequently Asked Questions (FAQ)
Does the XSU140844 require complex installation or adjustments?
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-
No. The bearing is manufactured with integrated inner and outer rings and factory preloading. This means it can be installed directly without extra shims or adjustments, saving assembly time while ensuring consistent accuracy.
Can the XSU140844 operate reliably under variable speeds and long duty cycles?
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-
Yes. Its robust raceway design and optimized roller arrangement ensure stable performance across both low and high speeds, even when the system is required to run continuously for long periods.
What type of maintenance does the XSU140844 require in long-term use?
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-
Thanks to its integrated design and preload, it needs minimal adjustment. Regular lubrication and periodic inspection of mounting bolts are usually sufficient to ensure stable performance.
Is customization possible for special environments?
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-
Yes. Surface treatments, special coatings, or alternative materials can be applied to improve corrosion resistance, extend service life, or adapt the bearing to unique environmental conditions.
How does the XSU140844 support continuous operation in heavy-duty machining centers?
+
-
The bearing's optimized roller arrangement distributes loads evenly, reducing wear and ensuring consistent accuracy even during prolonged operation under high loads.
Looking for a high-precision bearing solution for your project?
Contact us today for detailed specifications, CAD drawings, or a custom quote on Crossed Roller Bearing XSU140944.
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