Product Description

1. Company introduction 

HangZhou King Slewing Bearing Technology Co.,Ltd.is a professional manufacturer and exporter of excavator slewing rings, its factory is located in HangZhou city, ZheJiang Province,very close to ZheJiang Port, goods can be easily transported all over the world.

Our main product is excavator slewing rings, we can now produce more than 1000 part numbers to match with many famous excavator brands, such as CATERPILLAR, KOMATSU, HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, LIEBHERR, DAEWOO, JCB,CASE, SUMITOMO, KATO,etc. 

Our engineers have more than 20 years rich experience in studying excavator slewing rings and we have professional measuring team can go to customers ‘ workplace  to measure the old or broken slewing rings, then to produce the same replacements. We have our own factory with latest CNC machines , such as vertical lathes, gear hobbing machines, gear shaping machines, hole drilling mahines, quenching machines, vertical grinding machines, turning machines,etc. to meet customers’ quick delivery requirements. 

We will adhere to the “quality first, credibility first” business philosophy and continually provide our clients with superior quality products and services. We warmly welcome customers from all over the world to visit us and together to build a better future !

2. Our slewing rings can match with more than 1000 excavator models. 

3. Our excavator part numbers as below:

Doosan Slewing Ring Replacement 
Excavator model number Part number Excavator model number Part number
S140LC-V  109-00165  255lc-v  145719-00043
SOLAR55-VPLUS 109-00149 300-v   109-00157
DH220LC  145719-00048A DX300LCA   145719-0571
DX225 109-00162 Dx300LCA   145719-0571A 
DX225LC   109-00162A S340  145719-00038
DX225LC  109-00162 S340LC-V 145719-00038
DX225LCA 109-00162A S340LC-V  2109-1059A                  (New Part Number)
DX225LCA 145719-00048 S400LC-3 2109-9047A
S225NLC-V 145719-00045 DOOSAN 420  145719-00039
SL220LC-V  109-00052 S420LC-V  109-00161
225NLC-V 109-00052B DX420LC  K15719
225NLC-V 145719-00045 DX420LC    109-00046
255LC-V 109-00030B DX420LC   145719-00007A
255LC-V   180-5717D3 470 109-00159
255lc-v  145719-00042 SOLAR 500LC-V   145719-00040

4. Our excavator slewing ring pictures

5. Our slewing bearing packaging pictures 

6. Transportation way: By sea/ air/ rail/ road/ TNT/DHL/UPS/Fedex,ect. 

7. Contact information
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Standard or Nonstandard: Standard
Feature: Short Delivery Time
Sealing Gland: We Use Seal Rings
Rolling-Element Number: Single Row, Three Row for Huge Slewing Bearing
Roller Type: Four Point Contact
Material: Alloy Steel
Samples:
US$ 2600/Set
1 Set(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

slewing bearing

Are there any Notable Advancements in Slewing Bearing Technology in Recent Years?

In recent years, there have been several notable advancements in slewing bearing technology, driven by the demand for improved performance, efficiency, and durability. Some key advancements include:

  • Enhanced Materials:

New material compositions, coatings, and surface treatments have been developed to improve the corrosion resistance, wear resistance, and overall longevity of slewing bearings. These advancements enable bearings to perform reliably in harsh environments.

  • Integrated Sensors:

Advancements in sensor technology have led to the integration of sensors within slewing bearings. These sensors monitor parameters such as temperature, load, and vibrations, providing real-time data for predictive maintenance and improving overall operational efficiency.

  • Sealing and Contamination Control:

New sealing technologies and designs have been introduced to enhance the sealing effectiveness of slewing bearings, preventing the ingress of contaminants and extending bearing life. These advancements are particularly beneficial in industries with demanding environmental conditions.

  • Smart Lubrication Systems:

Advanced lubrication systems have been developed, incorporating features like automatic lubrication and condition-based lubrication. These systems optimize lubrication levels, reducing friction and wear, and contributing to longer bearing life.

  • Improved Manufacturing Techniques:

Precision manufacturing techniques, such as advanced machining and forging methods, have improved the consistency and quality of slewing bearings. This results in bearings with tighter tolerances, better load distribution, and enhanced performance.

  • Finite Element Analysis (FEA) and Simulation:

FEA and simulation software have been employed to model and analyze the behavior of slewing bearings under various conditions. This technology aids in optimizing bearing design, load distribution, and durability.

  • Customization and Tailored Solutions:

Manufacturers are increasingly offering customized slewing bearing solutions to meet specific application requirements. This includes designing bearings for unique loads, dimensions, and operating conditions.

  • Digitalization and Industry 4.0 Integration:

Integration with Industry 4.0 principles has led to the development of connected and digitally-enabled slewing bearing solutions. This enables remote monitoring, data analysis, and predictive maintenance strategies.

These advancements collectively contribute to more reliable, efficient, and durable slewing bearings, meeting the evolving needs of industries across the board.

slewing bearing

How does Proper Lubrication Impact the Performance and Longevity of Slewing Bearings?

Proper lubrication plays a crucial role in enhancing the performance and extending the longevity of slewing bearings. Here’s how it impacts these aspects:

  • Reduced Friction and Wear:

Lubrication forms a protective layer between the rolling elements and raceways, reducing friction and wear. This minimizes surface contact and prevents metal-to-metal contact, leading to less wear and extended bearing life.

  • Heat Dissipation:

Lubrication helps dissipate heat generated during operation. Adequate heat management prevents overheating, which can otherwise lead to premature bearing failure and reduced efficiency.

  • Corrosion Protection:

Lubricants with anti-corrosion properties form a barrier that protects bearing surfaces from moisture and environmental contaminants. This is crucial in preventing rust and corrosion, especially in challenging operating environments.

  • Sealing Effect:

Lubrication can enhance the sealing effect of bearing seals, preventing the ingress of dust, dirt, and other particles. This maintains the integrity of the bearing’s internal components and reduces the risk of contamination-related failures.

  • Noise and Vibration Reduction:

Properly lubricated bearings generate less friction and operate more smoothly, resulting in reduced noise and vibration levels. This is particularly important in applications where noise reduction is essential.

  • Improved Efficiency:

Effective lubrication minimizes energy losses due to friction, leading to improved overall efficiency of machinery. This is significant in applications that require high performance and energy savings.

  • Prevention of Micro-Movements:

Lubrication helps prevent micro-movements between the rolling elements and raceways, reducing wear caused by repeated impacts and vibrations during operation.

  • Maintenance Reduction:

Proper lubrication reduces the need for frequent maintenance and replacement of bearings. This not only saves time and resources but also contributes to increased uptime and reduced operational disruptions.

  • Longevity:

By reducing wear, preventing corrosion, and managing heat, proper lubrication significantly extends the lifespan of slewing bearings. This, in turn, contributes to improved equipment reliability and reduced lifecycle costs.

In conclusion, proper lubrication is essential for optimizing the performance, efficiency, and durability of slewing bearings. Regular maintenance and adherence to manufacturer-recommended lubrication intervals ensure that the bearings operate smoothly and consistently over their operational life.

slewing bearing

What are the Main Applications of Slewing Bearings?

Slewing bearings find wide applications across various industries due to their ability to handle complex loads and facilitate rotational movement. Some of the main applications of slewing bearings include:

  • Construction Machinery: Slewing bearings are essential components in construction equipment such as excavators, cranes, concrete pumps, and drilling rigs. They enable smooth rotation and movement, supporting heavy loads and dynamic forces.
  • Wind Turbines: In wind energy systems, slewing bearings are used to orient the rotor blades and nacelle to capture maximum wind energy. Their durability and load-bearing capacity make them crucial for efficient wind turbine operation.
  • Mining Equipment: Slewing bearings are used in mining machinery like stacker-reclaimers and conveyor systems. They enable the movement of large loads, contributing to efficient material handling and processing.
  • Marine Applications: Slewing bearings are employed in ship cranes, davits, and other marine equipment. They assist in cargo handling, ship maintenance, and various onboard operations.
  • Aerial Work Platforms: Slewing bearings are integral to aerial platforms and access equipment. They enable controlled and safe movement for workers at elevated heights.
  • Robotics and Automation: Slewing bearings play a role in industrial robots and automation systems. They facilitate precise and controlled rotational movement in manufacturing processes.
  • Medical Equipment: Some medical imaging equipment, such as CT scanners and MRI machines, use slewing bearings for rotational movement, contributing to accurate diagnostics.
  • Defence and Aerospace: Slewing bearings are employed in defense equipment like radar systems and missile launchers, as well as in aerospace applications like aircraft landing gear.

These are just a few examples of the many applications of slewing bearings across different industries. Their ability to handle diverse loads and rotational movements makes them versatile components in various machinery and equipment.

China Best Sales Excavator Model Solar 500LC-V Slewing Ring Bearing 140109-00040   bearing driver kitChina Best Sales Excavator Model Solar 500LC-V Slewing Ring Bearing 140109-00040   bearing driver kit
editor by CX 2024-04-12