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XSU Series Cross Roller Bearings - High Precision & Compact Design

XSU Series Cross Roller Bearings

XSU Series Cross Roller Bearings are precision bearings designed for applications that require high rigidity, high rotational accuracy, and the ability to handle complex loads in all directions. The XSU Series is characterized by an ultra-thin, compact design, featuring an integrated inner and outer ring that eliminates the need for a separate housing. This series is ideal for applications requiring both a slim profile and robust load-bearing capacity, such as robotics, medical equipment, and precision machinery. The XSU Series bearings feature integrated inner and outer rings, simplifying installation and increasing rigidity. This design eliminates the need for a separate housing, providing a more compact and space-efficient solution. The integrated rings also help maintain high rotational accuracy, making these bearings ideal for precision applications.

Product Details

XSU Series Cross Roller Bearings Introduction

Crossed roller bearings are a type of rolling element bearing that have cylindrical rollers arranged in a cross configuration. They are designed to handle both radial and axial loads while providing high rotational accuracy. Among various series of crossed roller bearings, the XSU series stands out for its exceptional performance and wide range of applications. This article aims to provide an overview of the XSU series, its advantages, and common application fields.

Advantages of XSU Series Crossed Roller Bearings

1. Compact Design: XSU series crossed roller bearings are designed with a thin-walled structure, making them ideal for applications where space is limited.

2. High Rigidity: The crossed roller arrangement of XSU series bearings allows for the distribution of load more evenly, leading to improved rigidity and stiffness.

3. Enhanced Rotation Accuracy: Due to their design, XSU series bearings exhibit high rotational accuracy, making them suitable for applications requiring precise positioning and motion control.

4. Long Service Life: XSU series bearings are manufactured using high-quality materials and advanced manufacturing techniques, ensuring durability and long service life even under heavy loads and harsh operating conditions.

5. Easy Installation and Maintenance: XSU series crossed roller bearings are designed for easy installation, with pre-drilled mounting holes and accurate alignment. They also require minimal maintenance, resulting in reduced downtime and increased production efficiency.

Application Fields of XSU Series Crossed Roller Bearings

1. Robotics and Automation: XSU series bearings are extensively used in industrial robots, collaborative robots, and CNC machine tools. They provide precise motion control and high load-bearing capacity, enabling smooth and accurate movements.

2. Medical Equipment: With their compact design and exceptional rotational accuracy, XSU series bearings find applications in medical devices such as surgical robots, imaging systems, and laboratory equipment.

3. Aerospace and Defense: XSU series bearings are utilized in a variety of aerospace and defense applications, including satellite systems, telescopes, radar equipment, and missile guidance systems. Their high rigidity and reliability are crucial for maintaining performance in extreme conditions.

4. Precision Machinery: XSU series crossed roller bearings are employed in various precision machinery, including semiconductor manufacturing equipment, printing machines, and optical inspection systems. Their ability to provide precise positioning and motion control contributes to the overall accuracy and performance of these machines.

5. Packaging and Material Handling: XSU series bearings are found in packaging machinery, conveyor systems, and material handling equipment. Their compact design and reliable operation help optimize production efficiency in these industries.

Parameters of XSU Series Crossed Roller Bearings

Identification Number Main Dimensions Basic Load RatingAxial  Basic Load RatingRadial  Weight
Inner Ring Outer Ring Width Installing Hole Chamfer φLa φLi Ca C0a Cr Cor Kg
d D B  nB r(min) KN KN KN KN
(mm) (mm) (mm)
XSU080168 130 205 25.4 12 1.1 190 145 66 240 42 96 3.3
XSU080188 150 225 25.4 16 1.1 210 165 71 275 46 110 3.7
XSU080218 180 255 25.4 20 1.1 240 195 77 315 49 127 4.3
XSU080258 220 295 25.4 24 1.5 280 235 84 375 54 151 5.1
XSU080318 280 355 25.4 28 1.5 340 295 93 465 59 185 6.3
XSU080398 360 435 25.4 36 2 420 375 106 590 68 236 7.8
XSU140414 344 484 56 24 2 460 368 229 520 146 250 28
XSU140544 474 614 56 32 2.5 590 498 270 680 170 330 38
XSU140644 574 714 56 36 2.5 690 598 290 800 185 395 44
XSU140744 674 814 56 40 3 790 698 315 930 200 455 52
XSU140844 744 914 56 40 3 890 798 340 1050 215 510 60
XSU140944 874 1014 56 44 3 990 898 360 1170 227 580 67
XSU141094 1024 1164 56 48 4 1140 1048 390 1360 246 670 77