Product Description

 Our factory specializes in the production of tapered roller bearings, deep groove ball bearings, spherical roller bearings, slewing bearing bearings with high quality and low price, factory direct sales delivery, eliminating the middleman to earn the difference, the lowest price, the best quality, the best service!

 

More details of CZPT tapered roller bearings

 

 

Hyundai Excavator Slewing Ring Replacement 
Excavator model number Part number Excavator model number Part number
R110-7   81N3-57122 BG R250/260  81EN- R320LC-7    81n9-57122 BG
R210W-9S 81Q5-57120 R320LC-7    81N9-00571
R210W-9S 81Q5-57121 R360/380 81NA-57120
R220LC-9S 81Q6-0571 R360LC-7A 81NA-57121BG
R220LC-9S 81Q6-57120 R450/500 81NB-57121
R220LC-9S 81Q6-57121 R450-7A    81NB-57122BG
R220LC-9S 81Q6-00571 R520LC-9S   81QB-57120
R225-7   81qb-57121 ZX850-3  HH2036267

 

 

Packing&Delivery

jieerThe production of YRT rotary table bearings, YRT standard series, YRTS high-speed series and ZKLDF thrust angle contact ball series all have high rotational accuracy, can withstand radial loads, bi-directional axial loads and overturning moments, suitable for high-precision and combined load occasions such as rotary tables, flower discs, milling heads and reversible clamps. Bearing rings have mounting holes for easy installation. Axial and radial preload after installation ensure high precision and rigidity. The size series is complete, which is used for rational use of different sizes of rotary tables; the shape and installation size of different series of rotary table bearings are the same, which is suitable for selecting suitable series according to different environmental requirements. Commonly used types such as YRT50 turntable bearings, YRT80 rotary table bearings, YRT100 rotary table bearings, YRT120 rotary table bearings, YRT150 rotary table bearings, YRT180 rotary table bearings, YRT200 rotary table bearings, YRT260 rotary table bearings, YRT325 rotary table bearings, YRT395 rotary table bearings, YRT460 rotary table bearings, YRT580 rotary table bearings, YRT650 rotary table bearings, YRT950 rotary table bearings, YRT1030 rotary table bearings, YRT1200 rotary table bearings, etcPacking

AOur workshop. plastic box+outer carton+pallets

Packing

A. plastic box+outer carton+pallets
B. plastic bag+box+carton+pallet
C. tube package+middle box+carton+pallet
D. Of course we will also be based on your needs

Delivery

1.Most orders will be shipped within 3-5 days of payment being received.
2.Samples will be shipped by courier as FedEx,UPS,DHL,etc.
3.More than 3000 set bearings, it is recommended to be shipped by sea (sea transportation).

 

apply
Motors, household appliances, agricultural machinery, construction machinery, construction machinery, skates, paper machinery, reduction gears, railway vehicles, crushers, printing machinery, woodworking machinery, automobiles, metallurgy, rolling mills, mines, automation equipment, robot rocker arms, fully automatic mechanical equipment

One. Our main products
Our products cover deep groove ball bearings, tapered roller bearings, cylindrical roller bearings,spherical roller bearing, pillow block bearing, angular contact ball bearing, self-aligning ball bearing, thrust ball bearing, thrust roller bearing, needle roller bearing, spherical plain bearing and so on, large, super large and non-standard bearings. In addition to the above, we offer customized high-tech bearings for free design according to drawings and samples from the clients’ side.

Two. Our team
Teamwork helps the company prosper. Combining the knowledge of all colleagues,Two. Our team
Teamwork helps the company prosper. Combining the knowledge of all colleagues,the companies possess high work efficiency and an ability to deal with whatever problems. As a result, the companies can make more profits and develop more quickly.
In sum, teamwork is very important, no 1 could live individually, they must rely on others in some way. Hence, work together could make life easier.

Three.FAQ
Frequently Asked Questions
Q: Are you a trading company or a manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

Four.ApplicationsApplications
1. machine tools,metallurgical machinery,
2. textile machinery,printing machinery,
3.other machinery,equipment,Can make the mechanical 
4. system design very compact and nimble

Five. Contact Information.
We are professionally doing bearings,
China Bearing, you see what kind of model you need can contact me, /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Medium and Large(120-190mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing

cross roller bearing

What are the signs of wear or damage in cross roller bearings, and when should they be replaced?

Identifying signs of wear or damage in cross roller bearings is crucial for ensuring the proper functioning and reliability of machinery. Regular inspection and maintenance can help detect these issues early and prevent potential failures. Here are the common signs of wear or damage in cross roller bearings and guidelines for determining when they should be replaced:

  • Abnormal Noise:
  • Unusual noises such as grinding, clicking, or rumbling sounds during operation can indicate bearing wear or damage. These noises often result from rough or pitted bearing surfaces, insufficient lubrication, or the presence of foreign particles. If abnormal noise is observed, it is advisable to inspect the bearing and consider replacement if necessary.

  • Increased Vibration:
  • An increase in vibration levels during equipment operation can indicate bearing wear or misalignment. Excessive vibration may lead to premature wear of the bearing surfaces and other components. If the vibration levels exceed acceptable limits or show a significant increase compared to normal operation, a thorough inspection should be conducted to determine the cause. If bearing wear or damage is identified as the source, replacement is recommended.

  • Irregular Movement or Stiffness:
  • If the cross roller bearing exhibits irregular movement, stiffness, or resistance during rotation, it may be a sign of wear or damage. This can result from insufficient lubrication, contamination, or excessive internal clearance. Any noticeable change in the smoothness of rotation or resistance to movement should be investigated, and replacement should be considered if the bearing is found to be compromised.

  • Visible Damage:
  • Visual inspection of the cross roller bearing is essential to identify visible signs of damage. These can include chipped or cracked bearing surfaces, excessive wear, corrosion, or deformation. If any visible damage is detected, the bearing should be replaced promptly to prevent further deterioration and potential system failure.

  • Lubrication Issues:
  • Problems related to lubrication can affect the performance and lifespan of cross roller bearings. Insufficient or contaminated lubricant can lead to increased friction, wear, and heat generation. If there are signs of inadequate lubrication (e.g., dry or discolored bearing surfaces) or if contamination is observed (e.g., presence of dirt, debris, or water), the bearing should be inspected, and appropriate measures such as relubrication or replacement should be taken.

  • Operational Conditions:
  • The operational conditions and service life of cross roller bearings vary depending on factors such as load, speed, temperature, and environment. Bearings that are subjected to heavy loads, high speeds, extreme temperatures, or harsh environments may experience accelerated wear or damage. Regular monitoring and periodic replacement based on the manufacturer’s recommendations and guidelines for specific operating conditions can help ensure the reliability and longevity of the bearing.

It is important to note that the signs of wear or damage mentioned above are general indicators, and the specific conditions and requirements of each application may vary. Therefore, it is advisable to consult the manufacturer’s documentation and guidelines for the cross roller bearing being used to determine the recommended inspection intervals and replacement criteria based on the specific operating conditions.

In summary, signs of wear or damage in cross roller bearings include abnormal noise, increased vibration, irregular movement or stiffness, visible damage, and lubrication issues. The appropriate time for replacement depends on the severity of the wear or damage, as well as the specific operational conditions of the bearing. Regular inspection, adherence to maintenance schedules, and following manufacturer recommendations are crucial for ensuring the optimal performance and longevity of cross roller bearings.

cross roller bearing

How do cross roller bearings improve the functionality of industrial machinery like CNC machines?

Cross roller bearings play a significant role in improving the functionality of industrial machinery, particularly CNC (Computer Numerical Control) machines. These precision bearings offer several advantages that enhance the performance and capabilities of CNC machines:

  • Precision Positioning:
  • Cross roller bearings are known for their exceptional positioning accuracy. They have a unique design that allows for point contact between the rollers and raceways, resulting in minimal elastic deformation and reduced clearance. This enables CNC machines to achieve highly precise positioning and motion control. The low friction characteristics of cross roller bearings also contribute to smoother and more accurate movements, ensuring precise machining and tight tolerances.

  • Rigidity and Stability:
  • Cross roller bearings exhibit high rigidity and stability due to their compact design and the elimination of clearance. This is crucial in CNC machines, where maintaining stability and rigidity during machining operations is essential. The high rigidity of cross roller bearings helps minimize vibrations, deflections, and deformations, ensuring precise and repeatable machining results. It enhances the overall stability of the machine, enabling it to handle high cutting forces and maintain dimensional accuracy even during heavy-duty operations.

  • Load Capacity:
  • Cross roller bearings have a unique structure that allows them to support high loads in all directions, including radial, axial, and moment loads. This makes them suitable for handling the heavy loads encountered in CNC machines. The ability of cross roller bearings to distribute and carry loads evenly helps prevent premature wear and prolong the service life of the machine. It also allows CNC machines to handle a wide range of machining tasks, from light-duty precision work to heavy-duty milling and cutting operations.

  • Compact Design:
  • Cross roller bearings have a compact and space-saving design. This is advantageous in CNC machines, where space can be limited, especially in multi-axis configurations. The compact design of cross roller bearings allows for efficient use of available space, enabling CNC machines to have a smaller footprint while maintaining high functionality and performance. It also facilitates easier integration of the bearings into the machine structure, simplifying assembly and reducing overall weight.

  • High-Speed Capability:
  • Cross roller bearings are capable of operating at high speeds due to their low friction characteristics and optimized design. This is crucial in CNC machines, where high-speed machining and rapid positioning are often required to improve productivity. The low friction of cross roller bearings minimizes heat generation and allows for smooth and efficient operation at high rotational speeds. It ensures that CNC machines can achieve fast and accurate movements, reducing cycle times and increasing overall machining efficiency.

  • Long Service Life:
  • The robust construction and high-quality materials used in cross roller bearings contribute to their long service life. CNC machines often operate in demanding environments and undergo continuous use. The durability and reliability of cross roller bearings help minimize downtime and maintenance requirements, ensuring uninterrupted operation of the CNC machine. The extended service life of cross roller bearings also leads to cost savings by reducing the need for frequent bearing replacements.

In summary, cross roller bearings improve the functionality of industrial machinery like CNC machines by providing precision positioning, rigidity and stability, high load capacity, a compact design, high-speed capability, and long service life. These advantages enable CNC machines to achieve highly accurate and repeatable machining, handle heavy loads, operate at high speeds, and maintain stability during demanding operations. By incorporating cross roller bearings into CNC machines, manufacturers can enhance productivity, improve machining quality, and achieve greater efficiency in their manufacturing processes.

cross roller bearing

What factors should be considered when selecting a cross roller bearing for a specific application?

When selecting a cross roller bearing for a specific application, several factors need to be carefully considered. These factors ensure that the chosen bearing meets the requirements of the application in terms of performance, reliability, and longevity. Here are the key factors to consider when selecting a cross roller bearing:

  • Load Requirements:
  • First and foremost, the load requirements of the application must be assessed. Consider the magnitude and direction of the loads, including radial, axial, and moment loads. Determine the maximum load capacity needed and ensure that the selected cross roller bearing can handle the anticipated loads without excessive deflection or premature failure.

  • Precision and Accuracy:
  • If the application requires precise positioning or motion control, the level of required precision and accuracy should be evaluated. Cross roller bearings are known for their excellent rotational accuracy, but the specific requirements of the application should be matched with the bearing’s precision level. Consider factors such as the permissible deviation, repeatability, and smoothness of operation.

  • Space Limitations:
  • Assess the available installation space in the application. Cross roller bearings are compact and space-saving, making them suitable for applications with limited space. Measure the dimensions and ensure that the selected bearing can be accommodated without interference or compromising other components.

  • Environmental Conditions:
  • Consider the environmental conditions in which the cross roller bearing will operate. Evaluate factors such as temperature, humidity, dust, chemicals, and potential exposure to contaminants. Choose a bearing that is designed to withstand the specific environmental conditions to ensure optimal performance and longevity.

  • Speed and Acceleration:
  • Assess the required speed and acceleration parameters of the application. Cross roller bearings have speed limitations, and exceeding these limits can lead to increased friction, heat generation, and premature wear. Consider the rotational speed and acceleration requirements and select a bearing that can operate within the desired speed range without compromising performance or reliability.

  • Mounting and Integration:
  • Consider the mounting and integration aspects of the cross roller bearing. Evaluate the mounting method, available space for mounting components, and the overall system design. Ensure that the selected bearing can be easily integrated into the application with appropriate mounting options and compatibility with other system components.

  • Maintenance and Service Life:
  • Assess the maintenance requirements and expected service life of the cross roller bearing. Consider factors such as lubrication needs, accessibility for maintenance, and the desired operating lifespan. Choose a bearing that aligns with the maintenance capabilities and longevity expectations of the application.

  • Cost and Availability:
  • Evaluate the cost-effectiveness and availability of the cross roller bearing. Consider the budget constraints of the application and compare the pricing of different bearing options. Additionally, ensure that the selected bearing is readily available from reliable suppliers to avoid delays or difficulties in sourcing replacements or spare parts.

By carefully considering these factors, it is possible to select the most suitable cross roller bearing for a specific application. Taking into account the load requirements, precision needs, space limitations, environmental conditions, speed and acceleration parameters, mounting considerations, maintenance requirements, and cost-effectiveness ensures that the chosen bearing will deliver optimal performance, reliability, and longevity in the intended application.

China manufacturer Cross Roller Bearings Robotic Arm Bearing Automation Equipment Bearings High Precision Bearings Ru Series Bearings   wheel bearingChina manufacturer Cross Roller Bearings Robotic Arm Bearing Automation Equipment Bearings High Precision Bearings Ru Series Bearings   wheel bearing
editor by CX 2024-05-16