XU Series Cross Roller Bearing

1. XU cross roller bearing:Roller and raceway: Cylindrical rollers are arranged in a 90-degree cross, and the raceway is V-shaped, which is in line contact and has strong rigidity and bearing capacity; Equipped with isolation block to prevent roller inclination and friction and stable torque.
Inner and outer ring design: the inner and outer rings are integral, without division, and the rigidity and rotation accuracy are more stable; Pre-set mounting holes (common countersunk holes/thread holes) on the end face, and install directly on the end face, saving space and parts.
2. Sizes:Inner Diameter: 20-1100mm Outer Diameter: 70-1500mm Width: 12-110mm
3.Performance Advantages:High radial, axial and moment load capacity in a single bearing; low friction coefficient for smooth rotation; excellent runout accuracy.
4.Material: Gcr15, Gcr15SiMn.
5. Application: Joints or rotating parts of industrial robots, rotary tables of machining centers, rotating parts of manipulators, precision rotary tables, medical machines, measuring instruments, IC manufacturing devices, etc.
6. Accurcy: P6, P0, P5, P4, P2.
Product Description

XU Series Cross Roller Bearing: High-Precision Bearing Solutions for Industrial Applications

When your industrial equipment demands exceptional precision and load capacity in confined spaces, the XU Series Cross Roller Bearing delivers the performance you need. These advanced bearing units feature cylindrical rollers arranged in a 90-degree cross configuration within V-shaped raceways, providing simultaneous radial, axial, and moment load support. This unique design makes the product an ideal solution for robotics, machining centers, and precision instruments where space optimization and rigidity are critical requirements.

XU Series Cross Roller Bearing

Understanding XU Series Cross Roller Bearing Design

Structural Configuration

The XU Series features a monolithic design where both inner and outer rings are manufactured as integral units without division. This approach eliminates the structural weaknesses found in split-ring designs.

Cylindrical rollers are positioned orthogonally across V-groove raceways, creating line contact surfaces. This configuration distributes loads evenly across the bearing while maintaining high rigidity.

Isolation blocks prevent roller inclination and friction between adjacent rollers. This design ensures consistent torque characteristics throughout the bearing's operational life.

Working Principle

The 90-degree cross arrangement allows each roller to support different load directions. When combined loads are applied, the bearing distributes forces across multiple contact points.

The V-shaped raceway geometry creates optimal contact angles for handling complex loading conditions. This design principle enables the bearing to maintain precise positioning under varying operational stresses.

Pre-set mounting holes on the end faces eliminate the need for additional presser flanges or housing components, simplifying installation procedures.

Technical Specifications

Bearing Designations
Boundary Dimensions(mm)
Basic Load Rating(Axial)
Basic Load Rating(Radial)
Weight(kg)
 
d
D
dp
width
Ca
KN
Coa
KN
Gr
KN
Cor
KN
 
XU050077
40
112
77
22
22.4
29
14.3
14.2
1.4
XU060094
57
140
94
26
32.5
37.5
20.7
18.4
2.4
XU060111
76.2
145.79
111
15.87
36
44.5
22.8
21.5
1.2
XU080120
69
170
120
30
56
53
35.5
26
4
XU080149
101.6
196.85
149.6
22.22
63
66
40
32.5
3.6
XU120179
124.5
234
179
35
118
179
75
88
7
XU120222
140
300
222
36
133
275
85
121
12
XU160260
191
329
260
46
212
350
135
173
16
XU080264
215.9
311
264
25.4
85
117
54
57
6.9
XU160405
336
474
405
46
270
550
172
270
25
XU080430
380
480
430
26
110
280
70
138
12
XU300515
384
646
515
86
720
1370
455
670
115

Performance Advantages

Load Handling Capabilities

The XU Series Cross Roller Bearing excels in applications requiring simultaneous multi-directional load support. The cross-roller arrangement provides high radial and axial load ratings within a compact profile.

Minute stack capacity is especially upgraded due to the wide viable bearing span made by the roller dissemination. This characteristic is fundamental for applications including cantilevered loads or off-center forces.

Precision and Accuracy

Runout exactness remains reliable due to the indispensably ring development. Fabricating resiliences are kept up over the whole bearing circumference without the dimensional varieties inalienable in gathered designs.

Low grinding coefficients result from optimized roller-to-raceway contact geometry. This diminishes warm era and keeps up dimensional solidness amid operation.

Installation Benefits

Direct end-face mounting through pre-machined gaps diminishes establishment complexity. You can mount the bearing specifically to your hardware without extra components.

The compact plan spares important space in your application whereas giving prevalent stack appraisals compared to ordinary bearing arrangements.

XU Series Cross Roller Bearing​​​​​​​

Industrial Applications

Robotics and Automation

Industrial robot joints advantage from the XU Series' capacity to handle complex stacking whereas keeping up exact situating. The bearing's compact profile suits space-constrained mechanical applications.

Collaborative robot wrists require the smooth operation and moo contact characteristics that these orientation provide.

Machining Equipment

Rotary tables in machining centers depend on the tall inflexibility and accuracy capabilities of cross roller orientation. The item keeps up precision beneath cutting loads.

Precision rotating tables accomplish repeatable situating through the bearing's great runout characteristics.

Medical and Research facility Equipment

Medical imaging gear requires the moo clamor and smooth operation that these heading provide. Vibration control is basic for picture quality.

Measuring rebellious advantage from the dimensional steadiness and exactness maintenance of the XU Arrangement design.

Material and Manufacturing Quality

Our XU Arrangement orientation utilize premium Gcr15 and Gcr15SiMn bearing steels. These materials experience specialized warm treatment forms to accomplish ideal hardness and wear resistance.

Precision pounding innovation guarantees steady surface wraps up over all contact surfaces. This consideration to detail amplifies bearing life and keeps up execution characteristics.

XU Series Cross Roller Bearing

Quality Assurance

We keep up a comprehensive three-level quality control framework covering crude fabric review, in-process confirmation, and wrapped up item testing. Each bearing experiences approval of 12 center execution indicators.

Vibration testing and life testing confirm that each item meets indicated execution benchmarks some time recently shipment.

Expert Support and Service

With 30 years of bearing industry experience, our technical team provides comprehensive application support. We assist with bearing selection, installation guidance, and maintenance planning.

Our engineering capabilities extend to custom modifications when standard configurations don't meet your specific requirements.

For technical consultation or product inquiries regarding XU Series Cross Roller Bearing solutions, contact our engineering team at auto@lyautobearing.com. We provide detailed application analysis and recommend optimal bearing configurations for your specific operating conditions.

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