When you need exceptional rotational accuracy combined with multi-directional load capacity, the XSU080318UUP5 Crossed Roller Slewing Bearing delivers reliable performance in demanding industrial environments. This precision-engineered bearing features an integral design with pre-drilled mounting holes, eliminating the need for additional housing components while maintaining superior rigidity and accuracy. The dual-sealed configuration protects internal components from contamination, making it ideal for automated machinery, precision tooling, and robotic applications where consistent performance is critical.


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Bearing Designations
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Boundary Dimensions(mm)
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Basic Load Rating(Axial)
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Basic Load Rating(Radial)
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Weight(kg)
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|||||
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|
d
|
D
|
B
|
nB
|
Ca
KN
|
Coa
KN
|
Gr
KN
|
Cor
KN
|
|
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XSU080168
|
130
|
205
|
25.4
|
12
|
66
|
240
|
42
|
96
|
3.3
|
|
XSU080188
|
150
|
225
|
25.4
|
16
|
71
|
275
|
46
|
110
|
3.7
|
|
XSU080218
|
180
|
225
|
25.4
|
20
|
77
|
315
|
49
|
175
|
4.3
|
|
XSU080258
|
220
|
295
|
25.4
|
24
|
84
|
375
|
54
|
151
|
5.1
|
|
XSU080318
|
280
|
355
|
25.4
|
28
|
93
|
465
|
59
|
185
|
6.3
|
|
XSU080398
|
360
|
435
|
25.4
|
36
|
106
|
590
|
68
|
236
|
7.8
|
|
XSU140414
|
344
|
484
|
56
|
24
|
229
|
520
|
146
|
250
|
28
|
|
XSU140544
|
474
|
614
|
56
|
32
|
270
|
680
|
170
|
330
|
38
|
|
XSU140644
|
574
|
714
|
56
|
36
|
290
|
800
|
185
|
395
|
44
|
|
XSU140744
|
674
|
814
|
56
|
40
|
315
|
930
|
200
|
455
|
52
|
|
XSU140844
|
774
|
914
|
56
|
40
|
340
|
1050
|
215
|
510
|
60
|
|
XSU141094
|
1024
|
1164
|
56
|
48
|
390
|
1360
|
246
|
670
|
77
|
The bearing utilizes a modern crossed-roller setup where round and hollow rollers are organized opposite to each other in a 90° V-groove raceway. This course of action makes line contact between rollers and raceways, giving 3-4 times higher firmness compared to ball bearings.
The fundamentally external and inward rings dispense with the require for isolated mounting equipment. Each ring joins precision-machined mounting gaps that streamline establishment whereas keeping up auxiliary judgment. The rollers are situated with plastic separators to avoid skewing and guarantee uniform stack dispersion over the bearing circumference.
The dual-sided elastic seals hold high-grade lithium-based oil whereas avoiding contaminant entrance. This fixed plan expands benefit life in dusty or sticky mechanical situations without requiring visit maintenance.
Multi-Directional Stack Taking care of: The crossed-roller plan empowers concurrent bolster of spiral strengths, hub strengths from both headings, and tilting minutes through a single bearing position. This capability decreases plan complexity and dispenses with the require for different bearing arrangements.
Superior Unbending nature: Line contact between rollers and raceways gives extraordinary auxiliary solidness, basic for exactness apparatus requiring negligible avoidance beneath stack. The bearing keeps up steady execution indeed beneath irregular stun loads.
Precision Precision: P5 course resistance guarantees rotational runout inside 10 micrometers, assembly necessities for high-precision applications. The steady roller course of action minimizes contact variety and keeps up reliable beginning and running torque.
Installation Proficiency: Fundamentally mounting gaps permit coordinate bolt-on establishment to hardware outlines, diminishing gathering time and dispensing with arrangement issues common with partitioned bearing housings.
This bearing serves basic capacities in exactness hardware over different industries:
Manufacturing Gear: Rotating tables in machining centers, CNC processing machines, and laser cutting frameworks advantage from the bearing's tall inflexibility and exactness for exact positioning.
Robotics and Computerization: Mechanical robot joints, controller arms, and computerized gathering lines depend on the bearing's capacity to handle complex stack combinations whereas keeping up smooth operation.
Medical and Research facility Gear: Accuracy measuring rebellious, arrange measuring machines, and therapeutic imaging gadgets utilize the bearing's low-friction characteristics and exact situating capabilities.
Aerospace and Defense: adj. situating frameworks and aviation test hardware depend on the bearing's unwavering quality and exactness in basic applications.
The XSU080318UUP5 Crossed Roller Slewing Bearing particularly excels in applications requiring compact design with high load capacity, where traditional bearing arrangements would be too bulky or complex.

Our manufacturing process incorporates high-purity bearing steel with specialized heat treatment to achieve surface hardness of 58-62 HRC. Each bearing undergoes comprehensive testing including vibration analysis, runout measurement, and torque verification to ensure consistent performance.
The three-level quality control system validates 12 core performance indicators before shipment. This rigorous approach maintains an ex-factory qualification rate exceeding 99.9%, providing confidence for critical applications.
With 30 years of bearing industry experience, our engineering team provides comprehensive technical support for bearing selection, installation guidance, and performance optimization. We maintain stock inventory for immediate delivery of standard configurations while offering customization for specific application requirements.
For technical consultation or to discuss your specific application requirements for the XSU080318UUP5 Crossed Roller Slewing Bearing, contact our engineering team at auto@lyautobearing.com. Our experts can assist with bearing selection, installation procedures, and performance optimization to ensure optimal results in your application.
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