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Cross Roller Bearing

CRBF Series

Cross roller bearings are precision-engineered components widely used in various industries due to their unique design and capability to handle heavy loads, axial and radial forces simultaneously. Among the diverse range of cross roller bearings, the CRBF series stands out for its exceptional performance characteristics and versatility. This blog article aims to delve into the specifics of the CRBF series, including its features, applications, advantages, and commonly used models.

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Cross roller bearings are precision-engineered components widely used in various industries due to their unique design and capability to handle heavy loads, axial and radial forces simultaneously. Among the diverse range of cross roller bearings, the CRBF series stands out for its exceptional performance characteristics and versatility. This blog article aims to delve into the specifics of the CRBF series, including its features, applications, advantages, and commonly used models.

Features of CRBF Series Cross Roller Bearings

The CRBF series is designed with several distinctive features that contribute to its superior performance:

  1. Cylindrical Roller Arrangement: The rollers are arranged in a crisscross pattern, promoting increased contact points and allowing the bearing to withstand high loads and provide enhanced rigidity.
  2. Compact Design: The CRBF series is characterized by its compact design, which efficiently accommodates limited spaces without compromising on load capacity.
  3. High Precision: These bearings are manufactured to precise tolerances, ensuring smooth rotational motion and reducing jitter, which is critical in applications requiring high precision.
  4. Low Friction: The design minimizes friction during operation, leading to reduced wear and extending the service life of both the bearings and the machinery they are integrated into.

Applications of CRBF Series Cross Roller Bearings

The CRBF series is utilized across numerous industries due to its versatility. Some common applications include:

  1. Industrial Robots: The precision and compact size make CRBF bearings ideal for robotic joints and rotating axes where efficiency and accuracy are paramount.
  2. Medical Equipment: In devices such as MRI machines or surgical robots, the reduced friction and high stability of CRBF bearings ensure safe and reliable operation.

3.Optical Instruments: High-precision equipment, such as telescopes and cameras, benefit from the smooth operation provided by the CRBF series, allowing for steady and clear imaging.

  1. Machine Tools: These bearings are preferred in various machine tools where precision machining is essential, facilitating accurate movements and enhancing productivity.

Advantages of CRBF Series Cross Roller Bearings

The CRBF series offers several advantages that make it a preferred choice among engineers and designers:

  1. Enhanced Load-Carrying Capacity: The unique roller arrangement allows the bearings to support heavy axial and radial loads, making them highly reliable in demanding applications.
  2. Space Efficiency: With a compact design, these bearings can fit into smaller assemblies, saving valuable space without sacrificing functionality.
  3. Durability: Thanks to their robust construction and low wear rates, CRBF bearings tend to have a longer life span, reducing maintenance and replacement costs over time.
  4. Adaptable to High-Speed Applications: The low-friction characteristics allow for efficient performance in high-speed scenarios, ensuring that machinery can operate at optimal efficiency.

Common Models in the CRBF Series

Several models in the CRBF series cater to different application needs. Some of the most widely used models include:

  1. CRBF1010: Designed for lightweight applications with moderate load requirements, suitable for automation equipment.
  2. CRBF2530: Ideal for industrial robotic arms requiring high precision and load-bearing capacity in compact spaces.
  3. CRBF4010: Built for heavy-duty applications where high durability and space efficiency are essential, often used in machine tools.
  4. CRBF2016: This model caters to applications in medical devices and precision instruments, ensuring high stability and minimal friction.

Conclusion

The CRBF series of cross roller bearings represents a significant advancement in bearing technology, offering unparalleled features and reliability. Their exceptional design makes them suitable for a plethora of applications, ranging from industrial robots to high-precision optical instruments. With advantages like enhanced load capacity, compactness, durability, and efficiency in high-speed environments, the CRBF series is an exemplary choice for engineers seeking to optimize the performance of their machinery. By understanding the specific characteristics and strengths of the CRBF series, businesses can make informed decisions that enhance their operational efficiency and product reliability.

Shaft dia.
mm		  Identification number dimensions    mm Mounting holes    mm Mounting dimensions mm Basic dynamic load rating
C
N		 Basic static load rating
C 0
N		 Mass (Ref.)
kg
Open Type Sealed Type d D B (1)
r 1min		 (1)
r 2min		 PCD1 d a Da
10 CRBF108AT CRBF108ATUU 10 52 8 0.3 0.3 16 24 31 2,910 2,430 0.12
20 CRBF2012AT CRBF2012ATUU 20 70 12 0.3 0.3 28 36.5 48.5 7,600 8,370 0.31
25 CRBF2512AT CRBF2512ATUU 25 80 12 0.6 0.6 35 46.5 58.5 8,610 10,600 0.40
35 CRBF3515AT CRBF3515ATUU 35 95 15 0.6 0.6 45 56 74 17,300 20,900 0.66
55 CRBF5515AT CRBF5515ATUU 55 120 15 0.6 0.6 65 76 94 20,100 27,700 0.96
80 CRBF8022AT CRBF8022ATUU 80 165 22 0.6 1 97 107 137 51,100 72,000 2.63
80 CRBF8022A CRBF8022AUU 80 165 22 0.6 1 97 107 137 51,100 72,000 2.60
80 CRBF8022AD CRBF8022ADUU 80 165 22 0.6 1 97 107 137 51,100 72,000 2.60
90 CRBF9025AT CRBF9025ATUU 90 210 25 1.5 1.5 112 132 168 73,400 108,000 4.83
90 CRBF9025A CRBF9025AUU 90 210 25 1.5 1.5 112 132 168 73,400 108,000 4.67
90 CRBF9025AD CRBF9025ADUU 90 210 25 1.5 1.5 112 132 168 73,400 108,000 4.67
115 CRBF11528AT CRBF11528ATUU 115 240 28 1.5 1.5 139 162 198 84,300 138,000 6.81
115 CRBF11528A CRBF11528AUU 115 240 28 1.5 1.5 139 162 198 84,300 138,000 6.63
115 CRBF11528AD CRBF11528ADUU 115 240 28 1.5 1.5 139 162 198 84,300 138,000 6.63

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