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RB Cross Roller Bearings

1.Structure: RB crossed roller bearing series type is outer ring division type with inner rotating.
2. Sizes: Inner Diameter: 30-1250mm Outer Diameter: 55-1500mm Width: 10-110mm Weight: 0.12-440kg
3. Feature: RB crossed roller bearing series (outer ring division type with inner rotating), this type is the basic type of crossed roller bearings. The outer rings have two parts, and the inner ring is one integer.
4. Application:The type is well applied to the situation which need high rotation accuracy on inner ring. For example, it is suitable for the rotary part of the indexing table of the tools machine.
5. Precision: P5, P4, P2
6. Material: Gcr15, Gcr15SiMn

What are RB Cross Roller Bearings?

RB Cross Roller Bearings are specialized high-precision bearings designed to handle high loads and provide exceptional rigidity in various demanding applications. These bearings are characterized by their unique construction, which features alternating rows of rollers that cross each other at 90 degrees. This design allows them to support radial, axial, and moment loads simultaneously, making them ideal for applications that require precise positioning and stability.

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Why Choose CHG Bearing for RB Cross Roller Bearings?

At CHG Bearing, we pride ourselves on being a leading manufacturer and supplier of the roller bearings. Here’s why you should consider us for your bearing needs:

  1. Customization and Solutions: We provide tailored solutions to meet the specific requirements of different working conditions, ensuring that our bearings perform optimally in your unique applications.

  2. Industry Expertise: With over 30 years of experience in the industry, we have developed a deep understanding of bearing technology and customer needs. Our extensive experience includes collaborations with many large and reputable companies.

  3. Innovation and Quality: Our commitment to quality is demonstrated by our more than 50 invention patents and certifications, including ISO9001 for quality management and ISO14001 for environmental management. We adhere to the highest standards to ensure the reliability and durability of our products.

For more information or to discuss your specific needs, feel free to contact us at sale@chg-bearing.com.

Technical Specifications

SpecificationDetails
TypeRB Cross Roller Bearing
Load CapacityHigh radial, axial, and moment loads
PrecisionHigh precision with minimal runout
RigidityExcellent rigidity and stability
Temperature Range-20°C to +150°C
MaterialsHigh-quality steel or stainless steel
CertificationISO9001, ISO14001, etc.

Benefits of RB Cross Roller Bearings

The roller bearings offer several advantages, including:

  • High Precision: Ensures accurate and stable positioning for precision machinery.
  • High Load Capacity: Can support heavy radial, axial, and moment loads simultaneously.
  • Enhanced Rigidity: Provides excellent rigidity and stability, reducing vibrations and increasing the lifespan of your equipment.
  • Versatility: Suitable for a wide range of applications, from aerospace to robotics and medical equipment.

Applications

The roller bearings are used in various industries due to their robust performance characteristics. Here are some key applications:

  1. Aerospace: Used in aircraft landing gear, missiles, drones, and other aerospace equipment where precision and reliability are crucial.
  2. Robotics: Integral to robot arms, chassis, and other motion mechanisms in industrial robots.
  3. Machine Tools: Essential for spindle transmission devices and feed systems, ensuring precise machining and stability.
  4. Medical Equipment: Employed in high-end medical devices like CT and MRI machines to handle harsh environments and maintain precision.
  5. Automobile Manufacturing: Found in steering gears, transmissions, and suspension systems, contributing to vehicle performance and safety.

Installation Guide

Proper installation is crucial for optimal performance. Follow these steps for installing RB Cross Roller Bearings:

  1. Preparation: Ensure all components are clean and free of debris.
  2. Alignment: Properly align the bearing with the housing and shaft.
  3. Press Fit: Use a press to install the bearing, applying even pressure to avoid damage.
  4. Lubrication: Apply appropriate lubrication as specified in the product guidelines.
  5. Testing: After installation, test the bearing to ensure it operates smoothly and within the desired parameters.

Maintenance and Care

To extend the life of your roller bearings, follow these maintenance tips:

  • Regular Inspection: Check for signs of wear, corrosion, or contamination.
  • Proper Lubrication: Maintain proper lubrication levels to reduce friction and wear.
  • Clean Environment: Keep the operating environment clean and free from debris.
  • Monitor Performance: Regularly monitor the bearing’s performance and address any issues promptly.

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FAQ

1. What makes the roller bearings different from other bearings?

The roller bearings are unique due to their cross-roller design, which allows them to handle multiple types of loads simultaneously with high precision and rigidity.

2. Can the roller bearings be customized?

Yes, at CHG Bearing, we offer customization options to meet the specific requirements of different applications and environments.

3. What industries use the roller bearings?

These bearings are used in aerospace, robotics, machine tools, medical equipment, automobile manufacturing, and more.

4. How do I maintain the roller bearings?

Regular inspection, proper lubrication, and keeping the environment clean are key to maintaining the performance of these bearings.

Customer Reviews

"CHG Bearing's the products have significantly improved the performance of our robotics systems. The precision and load capacity are top-notch!" – Sarah M., Robotics Engineer

"We've been using CHG Bearing's products for years. Their roller bearings are reliable and have never let us down." – John D., Aerospace Technician

Contact Us

For more information about RB Cross Roller Bearings or to request a quote, please contact us at sale@chg-bearing.com. Our team is here to provide expert advice and support for your bearing needs.

Identifi -cation numberMain dimensionsShoulder heightBasic load rating(radial)weight

inner ring

d (mm)

outer ring

D(mm)

Roller pitch circle diameter dp(mm)width B B1 (mm)Chamfer r(min)dsDhC kNC0 kNKg
HRB3010305541.5100.637477.358.360.12
HRB3510356046.5100.64151.57.649.120.13
HRB4010406551.5100.647.557.58.3310.60.16
HRB4510457056.5100.65161.58.6211.30.17
HRB5013508064130.657.47216.720.90.27
HRB6013609074130.668821824.30.3
HRB70137010084130.6789219.427.70.35
HRB80168012098160.69111130.142.10.7
HRB9016901301081619811831.445.30.75
HRB10016100140119.316110912931.748.60.83
HRB1002015012320111313333.150.91.45
HRB11012110135121.8120.611712712.524.10.4
HRB11015145126.5150.612213623.741.50.75
HRB1102011016013320112014334541.56
HRB12016120150134.2161.612714124.243.20.72
HRB12025180148.7251.513316466.91002.62
HRB13015130160144.5150.61371522546.70.72
HRB13025190158151.514317469.51072.82
HRB14016140175154.816114716225.950.11
HRB14025200168251.515418574.81212.96
HRB15013150180164130.61571722753.50.68
HRB15025210178251.516419476.81283.16
HRB15030230188301.51732111001565.3
HRB16025160220188.6251.517320481.71353.14
HRB17020170220191201.51841982962.12.21
HRB18025180240210251.5195225841433.44
HRB19025190240211.925120222241.782.92.99
HRB2002520026023025224524584.21574
HRB200302802403022582581142006.7
HRB20035295247.73522702701512529.6
HRB22025220280250.125223526592.31714.1
HRB24025240300269252.525628168.31454.5
HRB25025250310277.5252.526529069.31505
HRB25030330287.5302.52693061262448.1
HRB25040355300.7402.527532619534814.8
HRB30025300360328252.531534076.31785.9
HRB30035395345352.532236818336713.4
HRB30040300405351.6402.532637721240917.2
HRB35020350400373.4202.536338354.11433.9
HRB40035400480440.3352.542245915637014.5
HRB40040510453.4402.542847924153123.5
HRB4502545050047425146448461.71826.6
HRB50025500550524.225151453465.52017.3
HRB50040600548.8402.552657223960726
HRB50050625561.6502.553658726765341.7
HRB6004060070065040362767326472129
HRB70045700815753.545373177728183646
HRB80070800950868.17048369004681330105
HRB90070900105096970493710014941490120
HRB100011010001250111411051057117112203220360
HRB1250110125015001365.811051308142313501970440
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