Product Description

CZPT is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball slewing ring bearings, roller slewing bearings and precision slewing ring bearings as per customer’s different technical requirements.

Slewing ring bearing is also called slewing ring, slewing bearing, turntable bearing, and rotary bearing.
Slewing ring bearing is a bearing that CZPT to bear axial load, radial load and overturning torque. Under normal circumstances, slewing ring bearings have their own mounting holes, lubricant holes and seal holes, to meet the different needs of the various host working under the various conditions;

On the other hand, slewing ring bearing itself has characteristics of compact structure, CZPT rotating convenient, easy to install and maintaining easily.

Slewing Ring Bearings——Types:
1.       4 point contact ball slewing ring bearings
2.       double row ball 4 point contact slewing ring bearings(same diameter ball; different diameter ball)
3.       cross roller slewing ring bearings
4.       triple row cylindrical roller combined slewing ring bearings
5.       ball roller combined slewing ring bearings
6.       light flanged slewing ring bearings

Slewing Ring Bearings——Technical Data:
1.       Material: 42CrMo, 50Mn
2.       Precision: P0. P6. P5.
3.       Outside diameter: 200~9500mm
4.       Cage/retainer: Nylon or aluminum
5.       Gear type: non-geared, internal gear and external gear, gear hardened

Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints”
Hereunder is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipments (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipments (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Military products (e.g. aerospace machinery)
8. Packing machinery

Slewing Ring Bearings——Packaging Details:
Step 1: Covered with the anti-rust oil
Step 2: wrapped with the plastic film;
Step 3: Packed with Kraft paper and professional belts;
Step 4: Put into wooden box to avoid the rust or the moist;
Remark: Normally, plastic film+ Kraft +belt+ wooden box, but customized packing available,

Our Advantages:
1. Good quality and competitive price
2. Trial order accepted
3. ISO certified company
4. OEM and ODM accepted
5. Manufacturing slewing ring bearings since 2000

LYHY Slewing bearing models:

 Single Row Crossed Roller Slewing Bearing–Bearing with external gear
161.16.0400.890.11.1503 161.16.0400.891.21.1503 161.16.0450.890.11.1503
161.16.0450.891.21.1503 161.16.0560.890.11.1503 161.16.0560.891.21.1503
161.16.0630.890.11.1503 161.16.0630.891.21.1503 161.20.0450.890.11.1503
161.20.0450.891.21.1503 161.20.0560.890.11.1503 161.20.0560.891.21.1503
161.20.0630.890.11.1503 161.20.0630.891.21.1503 161.20.571.890.11.1503
161.20.571.891.21.1503 161.25.0764.890.11.1503 161.25.0764.891.21.1503
161.25. 0571 .890.11.1503 161.25. 0571 .891.21.1503 161.25.0980.890.11.1503
161.25.0980.891.21.1503 161.25.1077.890.11.1503 161.25.1077.891.21.1503
161.25.1120.890.11.1503 161.25.1120.891.21.1503 161.25.1180.890.11.1503
161.25.1180.891.21.1503 161.25.1250.890.11.1503 161.25.1250.891.21.1503
161.25.1320.890.11.1503 161.25.1320.891.21.1503 161.28.1400.890.11.1503
161.28.1400.891.21.1503 161.28.1500.890.11.1503 161.28.1500.891.21.1503
161.28.1600.890.11.1503 161.28.1600.891.21.1503 161.28.1700.890.11.1503
161.28.1700.891.21.1503 161.36.1700.890.11.1503 161.36.1700.891.41.1503
161.36.1800.890.11.1503 161.36.1800.891.41.1503 161.36.1900.890.11.1503
161.36.1900.891.41.1503 161.36.2000.890.11.1503 161.36.2000.891.41.1503
161.40.2000.890.11.1503 161.40.2000.891.41.1503 161.40.2128.890.11.1503
161.40.2128.891.41.1503 161.40.2240.890.11.1503 161.40.2240.891.41.1503
161.40.2368.890.11.1503 161.40.2368.891.41.1503 161.45.2240.890.11.1503
161.45.2240.891.41.1503 161.45.2366.890.11.1503 161.45.2366.891.41.1503
161.45.2510.890.11.1503 161.45.2510.891.41.1503 161.45.2654.890.11.1503
161.45.2654.891.41.1503 161.50.2800.891.41.1503 161.50.2660.891.41.1503
161.50.2800.891.41.1503 161.50.3000.891.41.1503  
 Single Row Crossed Roller Slewing Bearing–Bearing with internal gear
162.16.0400.890.11.1503 162.16.0400.891.21.1503 162.16.0450.890.11.1503
162.16.0450.891.21.1503 162.16.0560.890.11.1503 162.16.0560.891.21.1503
162.16.0630.890.11.1503 162.16.0630.891.21.1503 162.20.0450.890.11.1503
162.20.0450.891.21.1503 162.20.0560.890.11.1503 162.20.0560.891.21.1503
162.20.0630.890.11.1503 162.20.0630.891.21.1503 162.20.571.890.11.1503
162.20.571.891.21.1503 162.25.0764.890.11.1503 162.25.0764.891.21.1503
162.25. 0571 .890.11.1503 162.25. 0571 .891.21.1503 162.25.0980.890.11.1503
162.25.0980.891.21.1503 162.25.1077.890.11.1503 162.25.1077.891.21.1503
162.25.1120.890.11.1503 162.25.1120.891.21.1503 162.25.1180.890.11.1503
162.25.1180.891.21.1503 162.25.1250.890.11.1503 162.25.1250.891.21.1503
162.25.1320.890.11.1503 162.25.1320.891.21.1503 162.28.1400.890.11.1503
162.28.1400.891.21.1503 162.28.1500.890.11.1503 162.28.1500.891.21.1503
162.28.1600.890.11.1503 162.28.1600.891.21.1503 162.28.1700.890.11.1503
162.28.1700.891.21.1503 162.36.1700.890.11.1503 162.36.1700.891.41.1503
162.36.1800.890.11.1503 162.36.1800.891.41.1503 162.36.1900.890.11.1503
162.36.1900.891.41.1503 162.36.2000.890.11.1503 162.36.2000.891.41.1503
162.40.2000.890.11.1503 162.40.2000.891.41.1503 162.40.2128.890.11.1503
162.40.2128.891.41.1503 162.40.2240.890.11.1503 162.40.2240.891.41.1503
162.40.2368.890.11.1503 162.40.2368.891.41.1503 162.45.2240.890.11.1503
162.45.2240.891.41.1503 162.45.2366.890.11.1503 162.45.2366.891.41.1503
162.45.2510.890.11.1503 162.45.2510.891.41.1503 162.45.2654.890.11.1503
162.45.2654.891.41.1503 162.50.2800.891.41.1503 162.50.2660.891.41.1503
162.50.2800.891.41.1503 162.50.3000.891.41.1503  

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Standard
Feature: Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Deep Groove Raceway
Material: 50mn 42CrMo
Samples:
US$ 600/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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

What considerations are important when selecting the appropriate size and material for a cross roller bearing?

When selecting the appropriate size and material for a cross roller bearing, several considerations are crucial to ensure optimal performance and longevity. The following factors should be taken into account:

  • Load Requirements:
  • Determine the expected load that the bearing will need to support. Consider both the magnitude and direction of the load, including radial, axial, and moment loads. Cross roller bearings are known for their high load capacity in all directions, but it is important to select a size and material that can handle the specific load requirements of the application.

  • Space Limitations:
  • Consider the available space for the bearing within the application. Cross roller bearings have a compact design, but it is essential to choose a size that fits within the allotted space while allowing for proper clearance and mounting considerations. Take into account the dimensions of the bearing, including inner and outer diameters, width, and overall profile.

  • Rotational Speed:
  • Determine the rotational speed at which the bearing will operate. Different materials and designs have specific limitations on rotational speed due to factors such as heat generation, lubrication requirements, and the potential for dynamic effects like centrifugal forces. Select a bearing size and material that can safely accommodate the anticipated rotational speed without compromising performance or causing premature wear.

  • Accuracy and Precision:
  • Consider the required level of accuracy and precision for the application. Cross roller bearings are known for their excellent positioning accuracy and low friction characteristics. However, different designs and materials may offer varying levels of precision. Determine the specific tolerance and precision requirements of the application and select a bearing that can meet those criteria.

  • Environmental Conditions:
  • Evaluate the environmental conditions in which the bearing will operate. Factors such as temperature, humidity, exposure to chemicals or corrosive substances, and the presence of contaminants can influence the choice of bearing material. Select a material that can withstand the specific environmental conditions of the application to ensure optimal performance and longevity.

  • Maintenance and Service Life:
  • Consider the desired maintenance requirements and service life expectations. Some bearing materials may require more frequent lubrication or maintenance than others. Additionally, different materials and designs have varying levels of durability and service life. Assess the maintenance capabilities and resources available and select a bearing that aligns with the desired maintenance schedule and service life requirements.

  • Budget and Cost:
  • Take into account the budget and cost considerations. Different bearing sizes and materials may have varying price points. Balance the desired performance and longevity with the available budget to select a bearing that offers the best value for the specific application.

By carefully considering these factors, it is possible to select the appropriate size and material for a cross roller bearing that meets the specific requirements of the application. Choosing the right bearing will help optimize performance, ensure reliability, and extend the service life of the bearing in the given application.

cross roller bearing

What advantages do cross roller bearings offer compared to other bearing types?

Cross roller bearings offer several advantages compared to other bearing types. Their unique design and configuration provide distinct benefits, making them preferred choices in various applications. Here are the advantages of cross roller bearings over other bearing types:

  • High Load Capacity:
  • Cross roller bearings can handle both radial and axial loads simultaneously, allowing them to support high load capacities. The arrangement of cylindrical rollers in a cross pattern enables efficient load distribution, resulting in improved load-carrying capacity compared to other bearing types. This makes cross roller bearings suitable for applications that require high load-carrying capability without sacrificing precision.

  • Space-Saving Design:
  • One of the significant advantages of cross roller bearings is their compact and space-saving design. The arrangement of rollers at right angles to each other and the thin-walled rings contribute to a slim profile. This compact design allows for efficient use of available space in applications where installation space is limited. Cross roller bearings are particularly advantageous in equipment and machinery where size and weight reduction are crucial factors.

  • High Rigidity:
  • Compared to other bearing types, cross roller bearings offer exceptional rigidity. The cross arrangement of rollers and the preloading of the bearing contribute to increased stiffness and resistance to deformation. This high rigidity ensures precise positioning and minimizes deflection under load, making cross roller bearings suitable for applications that demand high accuracy and stability, such as precision machining, robotics, and optical instruments.

  • Precision and Accuracy:
  • Cross roller bearings are known for their excellent rotational accuracy and precise motion control. The arrangement of rollers and the low-friction design result in minimal clearance and backlash, enabling precise positioning and smooth operation. This makes cross roller bearings ideal for applications that require high precision, such as machine tools, robotics, and scientific instruments.

  • Moment Load Capability:
  • Due to their unique design, cross roller bearings offer exceptional moment load-carrying capability. They can handle both radial and axial moments, making them suitable for applications with complex loads. The ability to withstand moments enables cross roller bearings to support rotational movements and resist forces acting perpendicular to the bearing axis. This makes them advantageous in applications such as robotics, rotary tables, and indexing heads.

  • Reduced Friction and Wear:
  • Cross roller bearings exhibit low friction and wear characteristics. The rolling motion of cylindrical rollers reduces sliding friction, resulting in improved efficiency and reduced heat generation. Additionally, the use of high-quality materials and advanced lubrication techniques further minimizes friction and wear, contributing to extended bearing life and reduced maintenance requirements.

In summary, cross roller bearings offer distinct advantages compared to other bearing types. Their high load capacity, space-saving design, high rigidity, precision and accuracy, moment load capability, as well as reduced friction and wear make them preferred choices in various applications. Whether it’s in robotics, machine tools, medical equipment, or scientific instruments, the unique performance characteristics of cross roller bearings contribute to enhanced performance, reliability, and efficiency in numerous industrial sectors.

China supplier Cross Roller Slewing Bearings Slewing Ring Bearings with External Teeth 161.45.2510.890.11.1503   double row ball bearingChina supplier Cross Roller Slewing Bearings Slewing Ring Bearings with External Teeth 161.45.2510.890.11.1503   double row ball bearing
editor by CX 2024-02-18