Product Description

Product Description

Bearing type Shaft diameter(mm) Roundness Perpendicularity Cylindricity Roughness
Nominal dimension Upper deviation Lower deviation t1(μm) t3(μm) t4(μm) Ra(μm)
YRT50 50 0 -0.011 3 3 3 0.4
YRT80 80 0 -0.013 3 3 3 0.4
YRT(KLDF)100 100 0 -0.015   4 4 0.4
YRT(KLDF)120 120 0 -0.015 4 4 4 0.4
YRT(KLDF)150 150 0 -0.018 5 5 5 0.8
YRT(KLDF)180 180 0 -0.018 5 5 5 0.8
YRT(KLDF)200 200 0 -0.02 7 7 7 0.8
YRT(KLDF)260 260 0 -0.571 8 8 8 0.8
YRT(KLDF)325 325 0 -0.571 9 9 9 0.8
YRT(KLDF)395 395 0 -0.571 9 9 9 0.8
YRT(KLDF)460 460 0 -0.571 10 10 10 0.8
YRT(KLDF)580 580 0 -0.571 11 11 11 1.6
YRT(KLDF)650 650 0 -0.032 12 12 12 1.6
YRT850 850 0 -0.036 14 14 14 1.6
YRT950 950 0 -0.036 14 14 14 1.6
YRT1030 1030 0 -0.045 16 16 16 1.6
YRT1200 1200 0 -0.054 18 18 18 1.6

Company Profile
UKL Bearing Manufacturing Co., Ltd., founded in 2002, is a group company integrating R & D, production, sales and after-sales service. The registered brand is UKL. With advanced production equipment and testing instruments, we have the ability to produce high-quality products to replace high-quality brands.

UKL Bearing Manufacturing Co., Ltd. as an export enterprise and has 3 production bases in HangZhou, ZheJiang and HangZhou, China. Our HangZhou factory produces spherical roller bearings, ZheJiang factory produces ball bearings and bearing units, and HangZhou factory mainly produces oversized ball bearings and roller bearings. In addition, our company completed the construction of ZheJiang second new type factory in November 2571, specializing in the production of precision angular contact ball bearings, robot bearings, and special bearings for screw rods. Our company has a comprehensive purchasing and trading network for other types of bearings, such as cylindrical roller bearings, self-aligning ball bearings, tapered roller bearings and spherical roller thrust bearings. With our strict quality management system and professional sales team, we will provide you with high-quality products, preferential prices and excellent after-sales service.

UKL bearings are widely used as supporting products in metallurgy, mining, petroleum, chemical industry, coal, cement, papermaking, wind power, heavy machinery, engineering machinery, port machinery, automation equipment, automobile and other industries. The production accuracy can reach P0, P6, P5, P4.
The company adheres to the business philosophy of “excellence, CZPT service, meticulous manufacturing and brand strategy”, and cooperates with customers at home and abroad on the principle of integrity and fairness. The company has successfully passed ISO9001 quality management system certification and ISO14001 environmental management system certification.

Workshop

 

Testing Room

Warehouse

Packing

Certificates

 

FAQ

1.Q:What the MOQ of your company?
A:MOQ is 1pc.
2.Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
3.Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
4.Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
5.Q:Could you tell me the material of your bearing?
A:We have chrome steel,carbon steel and staninless steel,ceramic and plastic material.
6.Q:Could you offer door to door service?
A:Yes,by express(DHL,FEDEX,TNT,EMS,4-10 days to your city.)
7.Q:Coould you tell me the payment term of your company can accept?
A:T/T.L/C,Western Union,PayPal
8.Q:Could you tell me the delivery time of your doods?
A:If stock,in 7days or base on your order quantity.

Please do not hesitate to contact us for further informations!!!

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Item Name: Cross Roller Bearing
Advantage: Low Noise, Low Vibration, High Precesion
Application: Mining, Petroleum, Automatic
Grade: P0, P6, P5, P4, P2
Warranty: 12 Months
Custom Service: Available
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

cross roller bearing

How do cross roller bearings contribute to the efficient operation of robotics and automation systems?

Cross roller bearings play a vital role in enhancing the efficiency of robotics and automation systems. These bearings offer several benefits that contribute to the overall performance and reliability of such systems. Here are the ways in which cross roller bearings contribute to the efficient operation of robotics and automation systems:

  • Precision Motion Control:
  • Cross roller bearings provide precise and smooth motion control, which is essential for the accurate positioning and movement of robotic arms, joints, and other automated components. The low friction and high stiffness of these bearings enable precise control of motion, ensuring accurate and repeatable operations in robotics and automation systems.

  • High Rigidity:
  • Rigidity is crucial in robotics and automation systems to maintain stability and eliminate undesired vibrations or deflections. Cross roller bearings are designed to have high rigidity, allowing them to withstand external forces and loads without significant deformation. This rigidity improves the overall system performance, enabling precise and reliable operation even in demanding applications.

  • Compact Design:
  • Space optimization is often a critical factor in robotics and automation systems, where components need to be compactly arranged. Cross roller bearings have a compact design that minimizes the required installation space. Their thin and lightweight construction allows for efficient integration into robotic arms, joints, and other automated mechanisms without compromising performance.

  • Load Capacity:
  • Robotics and automation systems often need to handle various loads, including radial, axial, and moment loads. Cross roller bearings are specifically designed to provide high load capacity in all directions. They can support significant loads while maintaining their structural integrity, ensuring the efficient operation of the system even under demanding load conditions.

  • Reduced Friction and Energy Consumption:
  • Cross roller bearings exhibit low friction characteristics, resulting in reduced energy consumption in robotics and automation systems. The reduced friction minimizes power losses and heat generation, allowing the system to operate more efficiently. This energy efficiency is particularly important in applications where power consumption needs to be optimized for extended operation or to meet specific energy requirements.

  • Durability and Longevity:
  • The durability and longevity of cross roller bearings contribute to the efficiency of robotics and automation systems by reducing downtime and maintenance requirements. These bearings are designed to withstand repeated use, high-speed operations, and harsh operating conditions. Their robust construction and high-quality materials ensure reliable performance and extended service life, enhancing the overall efficiency and productivity of the system.

In summary, cross roller bearings contribute to the efficient operation of robotics and automation systems through precision motion control, high rigidity, compact design, high load capacity, reduced friction and energy consumption, as well as durability and longevity. By incorporating cross roller bearings into their designs, robotics and automation systems can achieve optimal performance, accuracy, and reliability, leading to increased productivity, improved efficiency, and reduced maintenance requirements.

cross roller bearing

Can you explain the role of preloading in optimizing the performance of cross roller bearings?

Preloading plays a crucial role in optimizing the performance of cross roller bearings. It involves applying a controlled axial force to the bearing to eliminate internal clearance and ensure proper contact between the rolling elements and raceways. Preloading offers several benefits that enhance the performance of cross roller bearings:

  • Increased Stiffness:
  • Preloading significantly increases the stiffness of the bearing system. By eliminating internal clearance, it minimizes the play or deflection between the rolling elements and raceways. This increased stiffness improves the rigidity of the bearing, allowing it to resist deformations and maintain precise positioning and alignment. The increased stiffness is particularly advantageous in applications that require high precision and stability, such as machine tools or robotic systems.

  • Reduced Elastic Deformation:
  • Preloading helps reduce elastic deformation within the bearing under load. When a load is applied to a bearing, elastic deformation can occur, resulting in a temporary change in the internal clearance. This can lead to inaccuracies in positioning and decreased performance. By applying preloading, the bearing is already under some initial load, reducing the elastic deformation when additional loads are applied. This minimizes the change in internal clearance, enhancing the accuracy and repeatability of the bearing system.

  • Improved Axial and Radial Stiffness:
  • Preloading enhances both the axial and radial stiffness of cross roller bearings. It improves the resistance to both axial and radial loads, ensuring better load distribution and load-carrying capacity. The increased stiffness helps to maintain the integrity of the bearing structure and minimize deflections or deformations, even under high loads or dynamic operating conditions. This results in improved performance, reduced vibration, and enhanced overall system stability.

  • Elimination of Clearance-Related Issues:
  • Preloading eliminates clearance-related issues that can affect the performance of cross roller bearings. Internal clearance in bearings can lead to backlash, which is undesirable in applications requiring precise motion control. Backlash can result in inaccuracies, positioning errors, and reduced responsiveness. By applying preloading, the clearance is eliminated, ensuring immediate and precise response to input forces or motion commands. This is crucial in applications such as robotics, where precise positioning and control are critical.

  • Enhanced System Rigidity:
  • By optimizing the stiffness and eliminating clearance, preloading enhances the overall rigidity of the bearing system. This increased rigidity improves the system’s ability to resist external disturbances, such as vibrations or shocks. It helps maintain the desired positioning and alignment of components, ensuring stability and accuracy. The enhanced system rigidity contributes to improved overall performance and reliability of the application.

  • Compensation for Wear:
  • Over time, normal wear and tear can lead to a slight increase in internal clearance in bearings. By applying preloading, the initial clearance is reduced, compensating for any potential wear. This helps to maintain the desired performance and accuracy of the bearing system even as it ages. Preloading can extend the effective service life of cross roller bearings by compensating for wear-related changes in internal clearance.

In summary, preloading plays a vital role in optimizing the performance of cross roller bearings. It increases stiffness, reduces elastic deformation, improves axial and radial stiffness, eliminates clearance-related issues, enhances system rigidity, and compensates for wear. By applying preloading, the bearing system achieves higher precision, better load distribution, improved stability, and increased reliability. It is essential to carefully determine and apply the appropriate preloading force based on the specific application requirements to achieve the desired performance benefits.

cross roller bearing

What are cross roller bearings and how are they used in various industrial applications?

Cross roller bearings are specialized types of roller bearings that utilize cylindrical rollers arranged in a cross configuration between inner and outer rings. This unique design allows for high radial, axial, and moment load capacities while maintaining a compact and space-saving profile. Cross roller bearings are commonly used in various industrial applications where precision, rigidity, and load-carrying capacity are critical. Here’s a detailed explanation of cross roller bearings and their uses in different industrial sectors:

  • Robotics and Automation:
  • Cross roller bearings are extensively used in robotics and automation systems. These bearings provide high rigidity and precision, making them suitable for robotic joints, rotary tables, and linear motion systems. They can handle complex loads and moments, enabling smooth and accurate movement in robotic applications. Cross roller bearings are also preferred in industrial automation equipment such as pick-and-place machines, assembly systems, and semiconductor manufacturing equipment.

  • Machine Tools:
  • In machine tool applications, where high precision and rigidity are essential, cross roller bearings find wide usage. They are commonly employed in spindle units, rotary tables, and indexing heads of milling machines, lathes, and grinding machines. Cross roller bearings offer excellent rotational accuracy, enabling superior machining performance and surface finish. Their compact design allows for space optimization, making them suitable for machine tools with limited installation space.

  • Medical and Optical Equipment:
  • Cross roller bearings play a crucial role in medical and optical equipment that requires precise movement and stability. They are used in medical imaging devices, such as CT scanners and MRI machines, where the bearings support rotating components with high accuracy. Cross roller bearings are also found in optical instruments like telescopes, camera lenses, and precision measuring instruments, ensuring smooth rotation and precise positioning of optical components.

  • Aerospace and Defense:
  • In the aerospace and defense sectors, cross roller bearings are utilized in critical applications that demand high load capacity, rigidity, and reliability. They are used in aircraft landing gear systems, missile guidance systems, radar antennas, and satellite communication systems. Cross roller bearings are favored for their ability to accommodate both radial and axial loads, making them suitable for aerospace and defense applications with varying load requirements.

  • Industrial Robotics and Material Handling:
  • Cross roller bearings are integral components in industrial robotics and material handling equipment. They are commonly used in articulated robot arms, linear actuators, and conveyor systems. Cross roller bearings enable precise and smooth motion control, supporting heavy loads and withstanding dynamic forces. Their high stiffness and load capacity enhance the reliability and productivity of industrial robots and material handling systems.

  • Scientific and Research Instruments:
  • Cross roller bearings find applications in various scientific and research instruments that require precise positioning and smooth operation. They are used in electron microscopes, spectrometers, telescopes, and other scientific equipment. Cross roller bearings contribute to the stability and accuracy of these instruments, ensuring precise measurements and observations in research and scientific investigations.

In summary, cross roller bearings are specialized roller bearings that offer high load-carrying capacity, rigidity, and precision. They find diverse applications in industries such as robotics and automation, machine tools, medical and optical equipment, aerospace and defense, industrial robotics and material handling, as well as scientific and research instruments. The unique design and performance characteristics of cross roller bearings make them indispensable in industrial sectors that require precise motion control, high load capacity, and compact form factors.

China Professional High Accuracy P5 P4 P2 Grade Yrt100 Steel Crossed Roller Bearing   manufacturerChina Professional High Accuracy P5 P4 P2 Grade Yrt100 Steel Crossed Roller Bearing   manufacturer
editor by CX 2024-05-10