The XSU080168UUP5 Precision Crossed Roller Bearing represents advanced engineering for applications demanding exceptional rotational accuracy and load capacity. This integrated bearing unit features pre-drilled mounting holes on both inner and outer rings, eliminating complex housing requirements. The crossed roller configuration handles radial, axial, and moment loads simultaneously within a compact profile. With P5 precision class and dual-sided sealing (UU), this bearing delivers superior performance for industrial robotics, precision machinery, and medical equipment applications.

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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
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D
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B
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nB
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Ca
KN
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Coa
KN
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Gr
KN
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Cor
KN
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|
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XSU080168
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130
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205
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25.4
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12
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66
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240
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42
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96
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3.3
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XSU080188
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150
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225
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25.4
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16
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71
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275
|
46
|
110
|
3.7
|
|
XSU080218
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180
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225
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25.4
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20
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77
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315
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49
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175
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4.3
|
|
XSU080258
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220
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295
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25.4
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24
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84
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375
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54
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151
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5.1
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XSU080318
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280
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355
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25.4
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28
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93
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465
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59
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185
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6.3
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|
XSU080398
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360
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435
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25.4
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36
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106
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590
|
68
|
236
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7.8
|
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XSU140414
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344
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484
|
56
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24
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229
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520
|
146
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250
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28
|
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XSU140544
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474
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614
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56
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32
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270
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680
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170
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330
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38
|
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XSU140644
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574
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714
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56
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36
|
290
|
800
|
185
|
395
|
44
|
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XSU140744
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674
|
814
|
56
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40
|
315
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930
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200
|
455
|
52
|
|
XSU140844
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774
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914
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56
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40
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340
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1050
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215
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510
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60
|
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XSU141094
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1024
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1164
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56
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48
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390
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1360
|
246
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670
|
77
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The XSU series utilizes an integral outer and inner ring design with factory-machined mounting holes. This eliminates the need for separate flanges or housings, reducing assembly complexity and potential alignment errors. The crossed roller arrangement positions cylindrical rollers at 90-degree angles within V-grooved raceways, creating a configuration that supports multi-directional forces through a single bearing unit.
Load Handling Capability
The orthogonal roller arrangement enables the bearing to manage three load types simultaneously:
This multi-directional load capacity replaces traditional two-bearing configurations, reducing space requirements and mechanical complexity.
Precision and Accuracy
The P5 accuracy classification ensures rotational runout within strict micron-level tolerances. This precision level supports applications requiring exact positioning, such as CNC machining centers and coordinate measuring machines. The integrated design maintains geometric integrity throughout the bearing's operational life.
Sealing and Lubrication
Dual-sided sealing (UU designation) protects internal components from contamination while retaining high-quality lithium-based grease. This sealed configuration extends maintenance intervals and ensures consistent performance in industrial environments.
Mechanical Robotics
In automated joint congregations, the XSU080168UUP5 Precision Crossed Roller Bearing handles complex minute loads created by enunciated arm developments. The zero-backlash characteristic guarantees repeatable situating precision fundamental for mechanized welding, gathering, and fabric taking care of operations.
CNC Revolving Tables
For accuracy machining applications, this bearing underpins pivoting workholding installations and ordering tables. The P5 precision lesson minimizes runout impacts that may compromise portion resiliences amid high-precision fabricating processes.
Medical Equipment
Medical imaging frameworks require smooth, vibration-free revolution for precise information securing. The fixed plan anticipates oil defilement in sterile situations whereas keeping up calm operation basic for understanding consolation and picture quality.
Measurement and Testing Equipment
Coordinate measuring machines and exactness assessment hardware advantage from the bearing's soundness beneath changing stack conditions. The tall solidness anticipates avoidance that may influence estimation accuracy.
The coordinates mounting gap plan streamlines establishment strategies. Both rings highlight accurately machined jolt circles that dispense with the require for compression ribs or isolated lodging components. This direct-mount arrangement decreases portion number and get together time whereas keeping up ideal bearing geometry.
Critical installation requirements include:
Our fabricating handle joins accuracy pounding innovation and specialized warm treatment strategies optimized for GCr15 bearing steel. Each bearing experiences comprehensive testing counting vibration investigation, dimensional confirmation, and operational approval to guarantee P5 exactness standards.
The generation office keeps up strict quality control all through the fabricating arrangement, from crude fabric assessment through last gathering verification.

With 30 a long time of bearing industry encounter, we combine demonstrated fabricating ability with progressed quality control frameworks. Our coordinates generation and supply chain capabilities guarantee dependable conveyance of both standard and customized bearing solutions.
Our commitment to building fabulousness implies each bearing meets exacting execution benchmarks appropriate for requesting mechanical applications. The item speaks to this devotion to quality and specialized innovation.
Whether you require quick conveyance of standard setups or customized arrangements for special applications, our comprehensive bearing mastery guarantees ideal execution for your basic apparatus systems.
Luoyang Auto Bearing Co., Ltd. gives comprehensive specialized bolster for bearing determination, establishment direction, and operational optimization. Our building group offers application examination to guarantee appropriate bearing determination for your particular necessities.
For technical inquiries or application support regarding the XSU080168UUP5 Precision Crossed Roller Bearing, contact our engineering team at auto@lyautobearing.com.
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