Product Description

CZPT THK CZPT Bearing cross roller bearing RB4571UUCO

Cross Roller Rings are used in large quantities in the ROTARY TABLES of MACHINING CENTERS, the main SPINDLE for MULTIPLE MACHINE TOOLS, and ROBOTS. Because they have a large effect on the processing accuracy of machining tools, it is important to acquire official products when performing maintenance or replacements.
 

shaft diamete Identification numbe Main dimensions        Shoulder height Basic load rating(radial) weight
    inner ring
d
   outer ring
D
Roller pitch circle diameter dp width
B B1
Greasing hole
φ
r(min) ds Dh C
kN
C0
kN
Kg
100 RA10008 100 116 107 8 1 0.5 103.5 110.5 7.15 13.9 0.14
110 RA11008 110 126 117 8 1 0.5 113.5 120.5 7.45 15 0.15
120 RA12008 120 136 127 8 1 0.5 123.5 130.5 7.84 16.5 0.17
130 RA13008 130 146 137 8 1 0.5 133.5 140.5 7.94 17.6 0.18
140 RA14008 140 156 147 8 1 0.5 143.5 150.5 8.33 19.1 0.19
150 RA15008 150 166 157 8 1 0.5 153.5 160.5 8.82 20.6 0.2
160 RA16013 160 186 172 13 1 0.5 165 179 23.3 44.9 0.59
170 RA17013 170 196 182 13 2 0.8 175 189 23.5 46.5 0.64
180 RA18013 180 206 192 13 2 0.8 185 199 24.5 49.8 0.68
190 RA19013 190 216 202 13 2 0.8 195 209 24.9 51.5 0.69
200 RA20013 200 226 212 13 2 0.8 205 219 25.8 54.7 0.71

 

shaft diameter model Main dimensions Shoulder height Basic load rating(radial) weight
inner
ring
d
outer
 ring
D
Roller pitch circle diameterdp width
B B1
Greasing hole r ds Dh C
kN
Co
kN
Kg
a b
50 RE  5013 50 80 66 13 2.5 1.6 1 57.5 72 16.7 20.9 0.27
60 RE  6013 60 90 76 13 2.5 1.6 1 68 82 18 24.3 0.3
70 RE  7013 70 100 86 13 2.5 1.6 1 78 92 19.4 27.7 0.35
80 RE  8016 80 120 101.4 16 3 1.6 1 91 111 30.1 42.1 0.7
90 RE  9016 90 130 112 16 3 1.6 1.5 98 118 31.4 45.3 0.75
100 RE 10016 100 140 121.1 16 3 1.6 1.5 109 129 31.7 48.6 0.83
RE 1571 150 127 20 3.5 1.6 1.5 113 133 33.1 50.9 1.45
110 RE 11012 110 135 123.3 12 2.5 1 1 117 127 12.5 24.1 0.4
RE 11015 145 129 15 3 1.6 1 122 136 23.7 41.5 0.75
RE 11571 160 137 20 3.5 1.6 1.5 120 140 34 54 1.56
120 RE 12016 120 150 136 16 3 1.6 1 127 141 24.2 43.2 0.72
RE 12571 180 152 25 3.5 2 2 133 164 66.9 100 2.62
130 RE 13015 130 160 146 15 3 1.6 1 137 152 25 46.7 0.72
RE 13571 190 162 25 3.5 2 2 143 174 69.5 107 2.82
140 RE 14016 140 175 160 16 3 1.6 1.5 147 162 25.9 50.1 1
RE 14571 200 172 25 3.5 2 2 154 185 74.8 121 2.96
150 RE 15013 150 180 166 13 2.5 1.6 1 158 172 27 53.5 0.68
RE 15571 210 182 25 3.5 2 2 164 194 76.8 128 3.16
RE 15030 230 192 30 4.5 3 2 173 210 100 156 5.3
160 RE 16571 160 220 192 25 3.5 2 2 173 204 81.7 135 3.14
170 RE 17571 170 220 196.1 20 3.5 1.6 2 184 198 29 62.1 2.21
180 RE 18571 180 240 210 25 3.5 2 2 195 225 84 143 3.44
190 RE 19571 190 240 219 25 3.5 1.6 1.5 202 222 41.7 82.9 2.99

200  RE 20571 200 260 230 25 3.5 2 2.5 215 245 84.2 157 4
 RE 20030 280 240 30 4.5 3 2.5 221 258 114 200 6.7
 RE 20035 295 247.7 35 5 3 2.5 225 270 151 252 9.6
220  RE 22571 220 280 250.1 25 3.5 2 2.5 235 265 92.3 171 4.1
240  RE 24571 240 300 272.5 25 3.5 2 3 256 281 68.3 145 4.5
250  RE 25571 250 310 280.9 25 3.5 2 3 268 293 69.3 150 5
 RE 25030 330 287.5 30 4.5 3 3 269 306 126 244 8.1
 RE 25040 355 300.7 40 6 3.5 3 275 326 195 348 14.8
300  RE 30571 300 360 332 25 3.5 2 3 319 344 75.7 178 5.9
 RE 30035 395 345 35 5 3 3 322 368 183 367 13.4
 RE 30040 405 351.6 40 6 3.5 3 326 377 212 409 17.2

 
SX series
SX011814 SX011818 SX011820 SX011824 SX011828 SX011832 SX011836 SX011840 SX011848 SX011860 SX011868 SX011860 SX0118/500
XSU series
XSU080168 XSU080188 XSU 0571 18 XSU 0571 18 XSU08 0571 XSU08 0571 XSU14571 XSU140544 XSU140644 XSU14 0571 XSU140844 XSU140944
RA series
RA10008 RA11008 RA12008 RA13008 RA14008 RA15008 RA16013 RA17013 RA18013 RA19013 RA20013
RU series
RU124G RU148G RU178G RU228 RU297 RU445 RU228X RU297X RU445X RU228G RU297G RU445G
RB series
RB7013 RB8016 RB9016 RB10016 RB1571 RB11012 RB11015 RB11571 RB12016 RB12571 RB13015 RB13571 RB14016 RB14571 RB15013 RB15571 RB15030 RB16571 RB17571 RB18571 RB19571 RB20571 RB20030 RB20035 RB22571 RB24571 RB25571 RB25030 RB25040 RB30571 RB30035 RB30040 RB35571 RB40035 RB40040 RB45571 RB50571 RB50040 RB50050 RB60040 RB70045 RB80070 RB90070 RB1000110 RB1250110
CRB series
CRB8016 CRB9016 CRB10016 CRB1571 CRB11012 CRB11015 CRB11571 CRB12016 CRB12571 CRB13015 CRB13571 CRB14016 CRB14571 CRB15013 CRB15571 CRB15030 CRB16571 CRB17571 CRB18571 CRB19571 CRB20571 CRB20030 CRB20035 CRB22571 CRB24571 CRB25571 CRB25030 CRB25040 CRB30571 CRB30035 CRB30040 CRB35571 CRB40035 CRB40040 CRB40070 CRB45571 CRB50571 CRB50040 CRB50050 CRB50070 CRB60040 CRB60070 CRB600120 CRB70045 CRB70070 CRB700150 CRB80070 CRB85710 
CRBC series
CRBC8016 CRBC9016 CRBC1571 CRBC11571 CRBC11571 CRBC12571 CRBC13571 CRBC14571 CRBC15571
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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: Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 100/Set
1 Set(Min.Order)

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Customization:
Available

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cross roller bearing

Are there specific maintenance practices that can extend the life of cross roller bearings?

Implementing proper maintenance practices is essential for extending the life of cross roller bearings. Regular maintenance helps prevent premature wear, minimize downtime, and ensure optimal performance. Here are specific maintenance practices that can contribute to extending the life of cross roller bearings:

  • Regular Inspection:
  • Perform regular inspections of cross roller bearings to detect any signs of wear, damage, or abnormal operating conditions. Visual inspections can identify visible damage, such as cracks, pitting, or corrosion. Additionally, monitoring noise, vibration, and temperature levels during operation can help identify potential issues early on.

  • Lubrication:
  • Proper lubrication is crucial for the smooth operation and longevity of cross roller bearings. Follow the manufacturer's recommendations regarding the type and quantity of lubricant to use. Establish a regular lubrication schedule and ensure that the bearings are adequately lubricated. Monitor the lubricant condition and replenish or replace it as needed to maintain optimal lubrication levels.

  • Contamination Control:
  • Preventing contamination is essential for the longevity of cross roller bearings. Implement measures to control and minimize the ingress of contaminants, such as dust, dirt, or moisture. Use appropriate sealing or shielding mechanisms to protect the bearing from external particles. Clean the surrounding area regularly and ensure that the bearing housing and mounting surfaces are free from debris.

  • Proper Mounting:
  • Ensure proper mounting and alignment of cross roller bearings to avoid unnecessary stress or misalignment that can lead to premature wear. Follow the manufacturer's guidelines for mounting procedures, including the use of suitable tools and torque values. Ensure that the mounting surfaces are clean, flat, and perpendicular to minimize stress concentrations.

  • Load and Speed Considerations:
  • Be mindful of the recommended load and speed limits specified by the bearing manufacturer. Avoid exceeding these limits as it can accelerate wear and decrease the bearing's lifespan. If operating conditions change, such as increased load or speed, consult the manufacturer for guidance on appropriate bearing selection or additional maintenance measures.

  • Periodic Reassessment:
  • Periodically reassess the operating conditions and performance of cross roller bearings. As equipment and usage patterns may change over time, it is essential to periodically review the bearing's performance and consider reevaluating maintenance practices. This can help identify potential improvements or adjustments to ensure continued reliability and longevity.

  • Training and Documentation:
  • Provide training to personnel responsible for the maintenance and operation of equipment that utilizes cross roller bearings. Ensure they are familiar with proper maintenance procedures and understand the importance of adhering to maintenance schedules. Maintain documentation of maintenance activities, including inspection reports, lubrication records, and any interventions or replacements performed.

By implementing these specific maintenance practices, it is possible to extend the life of cross roller bearings, optimize their performance, and minimize the risk of premature failures. Regular inspections, proper lubrication, contamination control, proper mounting, considering load and speed limits, periodic reassessment, and training and documentation are all key aspects of effective maintenance for cross roller bearings.

cross roller bearing

Can you provide insights into recent advancements in cross roller bearing technology?

Recent advancements in cross roller bearing technology have brought significant improvements in performance, reliability, and application versatility. Ongoing research and development efforts have led to innovative designs and materials, enhanced manufacturing processes, and improved functionality. Here are some key insights into the recent advancements in cross roller bearing technology:

  • Advanced Materials:
  • New materials and alloys have been developed to enhance the performance of cross roller bearings. For example, the use of high-strength steels and advanced ceramics has improved the bearing's load-carrying capacity, durability, and resistance to wear and fatigue. These materials offer better mechanical properties, increased hardness, and improved corrosion resistance, making them suitable for demanding applications in industries such as aerospace, automotive, and robotics.

  • Improved Sealing and Lubrication:
  • Advancements in sealing and lubrication technologies have addressed challenges related to contamination, maintenance, and operating conditions. Innovative sealing solutions, such as integrated seals and multi-lip designs, provide better protection against contaminants, extending the bearing's service life. Additionally, advancements in lubrication techniques, such as solid lubricants and advanced greases, offer improved performance in high-temperature, high-speed, and harsh environments.

  • Enhanced Precision and Accuracy:
  • Recent advancements have focused on improving the precision and accuracy of cross roller bearings. Manufacturers have developed new manufacturing processes and technologies to achieve tighter tolerances and reduce dimensional variations. This results in improved positioning accuracy, smoother motion, and enhanced repeatability. These advancements are particularly beneficial in applications that require high precision, such as machine tools, robotics, and optical systems.

  • Intelligent Monitoring and Condition Assessment:
  • The integration of sensors, data acquisition systems, and advanced analytics has enabled intelligent monitoring and condition assessment of cross roller bearings. These advancements allow real-time monitoring of bearing performance, temperature, vibration, and other operating parameters. By collecting and analyzing data, it is possible to detect early signs of wear, identify potential faults, and optimize maintenance strategies. This proactive approach helps prevent unexpected failures, reduce downtime, and improve overall operational efficiency.

  • Application-Specific Designs:
  • Manufacturers are developing cross roller bearings with application-specific designs to meet the unique requirements of various industries. Customized bearing geometries, configurations, and mounting options are being developed to optimize performance in specific applications. For instance, specialized designs for robotics offer increased rigidity and compactness, while bearings for medical equipment prioritize cleanliness and corrosion resistance. These application-specific designs enable better integration, improved performance, and enhanced reliability in specific industries and applications.

  • Simulation and Virtual Testing:
  • Advancements in simulation and virtual testing techniques have played a significant role in cross roller bearing development. Computer-aided design (CAD) software and finite element analysis (FEA) tools allow engineers to simulate the behavior and performance of bearings under various operating conditions. Virtual testing helps optimize designs, evaluate different materials and configurations, and shorten the development cycle. This approach enables more efficient and cost-effective product development while ensuring performance and reliability.

In summary, recent advancements in cross roller bearing technology have brought about significant improvements in materials, sealing and lubrication, precision, monitoring capabilities, application-specific designs, and simulation techniques. These advancements have expanded the capabilities and performance of cross roller bearings, enabling their use in a wide range of industries and applications. With ongoing research and innovation, cross roller bearings are expected to continue evolving to meet the ever-increasing demands of modern machinery and equipment.

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 OEM CZPT CZPT CZPT Bearing Cross Roller Bearing Rb4010uuco   bearing driver kitChina OEM CZPT CZPT CZPT Bearing Cross Roller Bearing Rb4010uuco   bearing driver kit
editor by CX 2024-04-09