Customization: | Available |
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Rolling Body: | Roller Bearings |
The Number of Rows: | Single |
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The XSU series of cross roller bearings is a high-precision bearing solution designed for applications requiring high rigidity, compactness, and the ability to handle both radial and axial loads simultaneously. These bearings feature a unique design that incorporates a large number of cylindrical rollers arranged in a crossed pattern, which allows for high load capacity in a small envelope. The XSU bearings are also known for their excellent rotational accuracy and high-speed performance, making them ideal for use in precision machinery such as machine tools, robotics, and aerospace equipment. Their robust construction ensures long service life and reliability, even under harsh operating conditions. With a variety of sizes and configurations available, the XSU series is a versatile choice for engineers looking to optimize their equipment's performance.
Identification number | Main dimensions | Basic load rating(axial) | Basic load rating(radial) | 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 |
Crossed roller bearings
If you are looking for high-precision, high-load capacity bearings, you might consider cross roller bearings. In this article, we will discuss everything you need to know about cross roller bearings, including their construction, principle of operation, applications, and advantages.
What are cross roller bearings?
Crossed roller bearings, also known as cross roller bearings, are a type of roller bearing with cylindrical rollers arranged in a cross between two inner and outer rings. This configuration allows for high stiffness, precision and axial load capacity.
Structure of cross roller bearings
Crossed roller bearings consist of two sets of rollers that cross each other at right angles. The rollers are held in place by a synthetic resin or brass cage. The inner and outer rings are made of steel or stainless steel and have raceways for the rollers.
Principle of operation of cross roller bearings
Crossed roller bearings operate on the principle of linear contact between the rollers and raceways. The rollers roll between the raceways, transmitting loads in all directions, including axial, radial and moment loads. The linear contact between the rollers and raceways ensures high rigidity and precision.
Advantages of cross roller bearings
Cross-roller bearings have many advantages over other types of bearings. Some of these advantages are.
Applications of cross roller bearings
Crossed roller bearings are used in a wide range of applications, including:
Selection of cross roller bearings
When selecting cross-roller bearings, several factors need to be considered, including load capacity, stiffness, accuracy and speed. Other factors to consider are size, weight and mounting requirements.
Maintenance of cross roller bearings
Proper maintenance of cross roller bearings is essential for their long-term performance. Maintenance operations include lubrication, cleaning, and inspection for wear and damage.
Conclusion
Cross-roller bearings are a versatile and reliable type of bearing that can handle high loads and provide high stiffness and precision. They are used in a wide range of applications, from robotics to medical equipment and industrial automation. When selecting cross roller bearings, it is essential to consider factors such as load capacity, stiffness, precision and maintenance requirements.
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