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Precision Cross Roller Bearing

1. RU crossed roller bearing characteristics:
a. High precision: P4 precision, P2 precision
b. A rigidity: This series bearing have preload
c. High load:This series bearing can bear double-direction axial load, radial load and tilting moment
d. Small size: This series bearing can save space for machine tools
2. Structure: RU Series Crossed roller bearing is Integrated Inner/Outer Ring type
3. Sizes:Inner Diameter: 20-350mm Outer Diameter: 70-540mm Width: 12-45mm
4. Feature: RU crossed roller bearing can be used for both inner-ring rotation and outer-ring rotation
ince the mounting holes are provided, the model does not require a presser flange or housing. In addition, because it has an integrated inner/outer ring structure and is equipped with washers, its performance is minimally affected by the mounting procedure, ensuring stable rotation accuracy and torque
5, Material: Gcr15, Gcr15SiMn
6. Cage:Brass,Nylon
7. Application: Industrial robots/Crane/Excavator
8. Accurcy: P6, P0, P5, P4, P2

What is a Precision Cross Roller Bearing?

A precision cross roller bearing is a highly specialized bearing designed for applications requiring superior precision, stability, and load capacity. It features rollers arranged perpendicular to each other in a crisscross pattern, which allows it to handle both radial and axial loads simultaneously. This unique design makes it ideal for applications where precision and reliability are crucial, such as in aerospace, robotics, machine tools, medical equipment, and automotive manufacturing.

Why Choose CHG Bearing?

At CHG Bearing, we are committed to delivering the highest quality products tailored to meet your specific needs. Here’s why we stand out:

  1. Customization and Solutions: We offer bespoke solutions designed to fit various working conditions and operational requirements. Whether you need a bearing for high-speed applications or harsh environments, we can provide a solution that meets your exact needs.

  2. Industry Expertise: With over 30 years of experience in the bearing industry, we have collaborated with numerous leading companies, delivering products that excel in performance and reliability.

  3. Innovative Technology: Our extensive portfolio includes more than 50 invention patents, reflecting our commitment to innovation and excellence. We adhere to stringent quality standards and are certified under ISO9001 for quality management and ISO14001 for environmental management.

Technical Specifications

Specification Details
Type Precision Cross Roller Bearing
Load Capacity High radial and axial load capacity
Accuracy High precision and minimal runout
Material High-grade steel or custom alloys
Temperature Range -40°C to 150°C
Certifications ISO9001, ISO14001
Patents 50+

Benefits of Precision Cross Roller Bearings

  1. High Precision: Designed for applications requiring minimal runout and exceptional accuracy, ensuring smooth and reliable operation.
  2. Enhanced Load Capacity: Capable of handling high radial and axial loads, making them suitable for heavy-duty applications.
  3. Superior Rigidity: Offers excellent rigidity due to the line contact between rollers and raceways, enhancing stability and longevity.
  4. Versatile Performance: Performs reliably in a wide range of environments, including high temperatures, vacuum conditions, and corrosive atmospheres.

Applications

Precision cross roller bearing is used in various fields, including:

  • Aerospace: Essential for aircraft landing gear, missiles, and drones where precise positioning and reliable support are critical.
  • Robotics: Key components in robot arms, waists, and rotation mechanisms, providing high-speed and high-reliability performance.
  • Machine Tools: Used in spindle transmission devices and feed systems to ensure precision and stability in machining processes.
  • Medical Equipment: Critical for high-end medical devices like CT and MRI machines, withstanding extreme conditions while maintaining high precision.
  • Automobile Manufacturing: Applied in steering gears, transmissions, and suspension systems to ensure vehicle performance and reliability.
  • Semiconductor and LCD Manufacturing: Utilized in handling robots and inspection platforms to achieve high-precision control and stable operation.

Installation Guide

  1. Preparation: Ensure the installation area is clean and free of contaminants.
  2. Alignment: Properly align the bearing with the mounting surfaces to avoid misalignment issues.
  3. Mounting: Carefully press the bearing into place, ensuring it is securely fitted without applying excessive force.
  4. Lubrication: Apply the appropriate lubricant as specified in the product manual to ensure smooth operation.
  5. Inspection: Check for any signs of misalignment or irregularities after installation to confirm proper setup.

Maintenance and Care

  1. Regular Inspection: Periodically check the bearing for signs of wear, misalignment, or damage.
  2. Lubrication: Ensure proper lubrication levels are maintained to reduce friction and wear.
  3. Cleaning: Keep the bearing clean and free from contaminants that could affect performance.
  4. Storage: Store bearings in a clean, dry environment to prevent corrosion and damage.

FAQ

Q1: What makes precision cross roller bearings different from other types?

A1: They feature rollers arranged perpendicularly, allowing them to handle both radial and axial loads with high accuracy and stability.

Q2: Can these bearings be customized?

A2: Yes, CHG Bearing offers customized solutions to meet specific performance requirements and operational conditions.

Q3: What is the typical lifespan of this product?

A3: The lifespan depends on factors like load, operating conditions, and maintenance. Proper care can significantly extend the bearing’s service life.

Q4: How do I choose the right precision cross roller bearing for my application?

A4: Consider factors such as load capacity, precision requirements, and environmental conditions. Consulting with a bearing specialist can help in selecting the optimal bearing.

Customer Reviews

“CHG Bearing’s peoducts have been a game-changer for our aerospace applications. The accuracy and reliability are unmatched.” - John D., Aerospace Engineer

“We’ve been using CHG bearings in our robotics systems for years. Their performance and durability have always exceeded our expectations.” - Sarah L., Robotics Specialist

Contact Us

For more information about our precision cross roller bearing or to request a quote, please reach out to us at sale@chg-bearing.com. Our team is ready to assist you with all your bearing needs.

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