Product Description

Precision Cross Roller Bearing, the inner structure of which adopts the vertical and cross arrangement of cylindrical rollers with 90°, can bear radial load, double-direction thrust loads and overturning moment at the same time. Combined with its high rigidity, it can be applied to the joints and rotating parts of industrial robots, rotary tables of machining centers, rotating parts of manipulators, precision rotary tables, medical equipments, measuring instruments, IC manufacturing machines, etc.

Precision Cross Roller Bearing has 3 structure types, including bearing   with cage, with separator, and with full complement. Cage and separator types are suitable to low friction moment and high-speed rotation, while full complement is suitable to low-speed rotation and heavy load.
Precision Cross Roller Bearing has the following 7 structure series:

 RB Series
 RE Series
 RU Series
 RA Series
 RA-C Series
 CRB Series
 CRBH Series

 

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
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

How do cross roller bearings contribute to the proper functioning of aerospace components?

Cross roller bearings play a crucial role in ensuring the proper functioning of aerospace components. These bearings offer several benefits and contribute to the reliable and efficient operation of various aerospace systems. Here's a detailed look at how cross roller bearings contribute to the proper functioning of aerospace components:

  • Compact Design:
  • Cross roller bearings have a compact design that allows for efficient use of space in aerospace components. Their thin and lightweight structure enables them to be integrated into tight spaces without adding excessive weight or bulk. This compact design is especially advantageous in aerospace applications where weight reduction and space optimization are critical factors.

  • High Load Capacity:
  • Cross roller bearings are designed to handle high radial, axial, and moment loads. They feature crossed rollers arranged at right angles to one another, which enables them to distribute load forces in multiple directions. This high load capacity is essential in aerospace components that experience significant forces and loads during operation, such as landing gear systems, control surfaces, and actuators.

  • Stiffness and Precision:
  • Cross roller bearings offer high stiffness and precision, making them suitable for aerospace applications that require precise positioning and motion control. Their unique design and preloaded arrangement of rollers result in minimal deflection and high rigidity, ensuring accurate and repeatable performance. Aerospace components, such as robotic arms, control mechanisms, and guidance systems, benefit from the stiffness and precision of cross roller bearings.

  • Low Friction and Energy Efficiency:
  • Cross roller bearings are designed to minimize friction and energy losses. The rolling contact between the crossed rollers and raceways reduces friction, resulting in smooth and efficient motion. This low friction characteristic contributes to energy efficiency in aerospace systems, where reducing power consumption and maximizing operational efficiency are crucial considerations.

  • High-Speed Capability:
  • Cross roller bearings are capable of operating at high speeds without sacrificing performance. Their low rotational inertia and optimized design allow them to handle rotational speeds encountered in aerospace applications, such as turbine engines, gearbox systems, and rotating assemblies. The ability to maintain performance and reliability at high speeds is essential for aerospace components that operate under demanding conditions.

  • Reliability and Durability:
  • Cross roller bearings are engineered to provide high reliability and durability in aerospace environments. They are designed to withstand harsh operating conditions, including high temperatures, vibration, shock, and contamination. Aerospace components, such as aircraft engines, landing gear, and control systems, rely on the robustness and longevity of cross roller bearings to ensure continuous and safe operation throughout their service life.

In summary, cross roller bearings play a vital role in the proper functioning of aerospace components. Their compact design, high load capacity, stiffness, precision, low friction, high-speed capability, and reliability contribute to the efficiency, performance, and safety of various aerospace systems. By providing reliable motion control, load support, and durability, cross roller bearings are essential components in aerospace applications, enabling the successful operation of aircraft, spacecraft, and other aerospace platforms.

cross roller bearing

What are the common applications and industries where cross roller bearings are essential components?

Cross roller bearings find essential use in various applications and industries that require high precision, rigidity, and compact design. These bearings offer excellent rotational accuracy and load-carrying capacity, making them suitable for a wide range of demanding applications. Here's a detailed overview of the common applications and industries where cross roller bearings are essential components:

  • Robotics and Automation:
  • Cross roller bearings are extensively used in robotics and automation systems. They provide precise rotational motion and support heavy loads with minimal deflection. Cross roller bearings are commonly found in robot joints, robotic arms, manipulators, and other robotic mechanisms that require accurate positioning and smooth motion control.

  • Machine Tools:
  • In the machine tool industry, cross roller bearings are vital components in various equipment such as milling machines, grinding machines, lathes, and machining centers. These bearings provide the necessary rigidity and accuracy for spindle rotation, table movement, and other critical functions in machine tools.

  • Medical and Healthcare:
  • The medical and healthcare sector relies on cross roller bearings for a range of applications. They are used in medical imaging equipment, including CT scanners, MRI machines, and X-ray systems, where precise and smooth movement is crucial. Cross roller bearings are also employed in surgical robots, patient tables, examination chairs, and other medical devices that require high precision and reliability.

  • Aerospace and Aviation:
  • Cross roller bearings play a significant role in the aerospace and aviation industry. They are utilized in aircraft landing gear systems, control surfaces, engine components, and satellite mechanisms. The compact design and high load-carrying capacity of cross roller bearings make them well-suited for aerospace applications that demand reduced weight and increased efficiency.

  • Semiconductor Manufacturing:
  • In semiconductor manufacturing, cross roller bearings are critical for precise wafer handling and positioning. They are used in wafer handling robots, inspection systems, lithography machines, and other semiconductor equipment. The high rigidity and low friction of cross roller bearings ensure accurate alignment and positioning of wafers during the manufacturing process.

  • Optical and Precision Instruments:
  • Cross roller bearings are extensively employed in optical and precision instruments, including telescopes, microscope stages, coordinate measuring machines (CMMs), and optical inspection systems. These bearings provide stable and smooth motion control, allowing for accurate observations, measurements, and alignments in these instruments.

  • Industrial Machinery:
  • Various industrial machinery and equipment rely on cross roller bearings for their critical operations. They are used in printing machines, packaging equipment, textile machinery, industrial robots, and assembly lines. Cross roller bearings provide the necessary precision, load capacity, and reliability required in these industrial applications.

  • Renewable Energy:
  • In the renewable energy sector, cross roller bearings are utilized in wind turbines and solar tracking systems. They enable the precise rotation and positioning of wind turbine blades and solar panels, ensuring optimal energy capture and conversion. Cross roller bearings contribute to the efficiency and reliability of renewable energy generation.

In summary, cross roller bearings are essential components in a wide range of applications and industries. They are commonly found in robotics and automation, machine tools, medical and healthcare equipment, aerospace and aviation systems, semiconductor manufacturing, optical and precision instruments, industrial machinery, and renewable energy systems. The unique characteristics of cross roller bearings make them indispensable for achieving accurate motion control, high load capacity, and long-term reliability in these demanding applications.

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editor by CX 2024-04-13