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:

Hitachi Slewing Ring Replacement 
Excavator model number Part number Excavator model number Part number
EX60-2 4193433 ZX230    9154037
EX60WD -2 4193433 ZX230    9159646
EX60-5 43767553 ZX240 9196732
EX100 9098995 ZX240   9245728
EX100-3 9157126 EX300-3    9112188
ZX135 9184497 ZX330LC-5G 9245698
EX150-5 9146953 ZX350-3  9245698
EX200 9098993 ZX370  9166468
ZX200LC-5G 926571  ZX370 9169894
ZX200-3, 926571  KH180-3   957174
EX200-3  9148123 HE6571B 1214DBS110T
ZX200  9196732 EX400 164-2568
ZX200-5G 926571 EX400-5  9129521
EX200   9157127 ZX450  9129521
EX210-5  9157127 ZX450-3       9247287
ZX210LCK   9169646 ZX450-3 9247287
ZX210W-1  9275368 ZX470-3  9247287
ZX220 9262248 ZX650   9321213
EX220-1   9154037 ZX650LCH  6016584
ZX225USR 9169646 ZX800LD    9229741
ZX225US  9196732 ZX870-3 9321216
ZX330-3LC 926571 ZX870 6571643
EX270-5 9154037    

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
/* 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

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$ 2400/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

slewing bearing

What is the Typical Lifespan of Slewing Bearings under Different Operating Conditions?

The lifespan of slewing bearings can vary based on different operating conditions and factors that influence wear and fatigue. Here’s a general overview of the typical lifespan under various scenarios:

  • Light Loads and Proper Lubrication:

When operating under light axial, radial, and moment loads and with consistent and proper lubrication, slewing bearings can often exceed 20,000 to 30,000 hours of service life.

  • Heavy Loads and Harsh Environments:

In heavy-duty applications where the bearings handle substantial loads, such as construction equipment or mining machinery, the lifespan might range from 10,000 to 20,000 hours. Harsh environments with dust, moisture, and corrosive substances can affect the bearing’s durability.

  • Corrosive Environments:

In environments with high levels of corrosion, such as marine applications, the lifespan of slewing bearings might be reduced due to the impact of corrosive elements on the bearing’s materials.

  • High-Speed Applications:

In applications requiring high rotational speeds, such as certain automation systems or machinery, the bearing’s lifespan might be affected due to increased friction and wear associated with higher speeds.

  • Poor Lubrication and Maintenance:

If proper lubrication and maintenance practices are neglected, the bearing’s lifespan can be significantly shortened. Insufficient lubrication leads to increased friction and wear, potentially reducing the lifespan by a considerable margin.

  • Shock and Impact Loads:

Applications subject to frequent shock and impact loads, like certain material handling equipment, can experience premature wear and fatigue, leading to a reduced lifespan.

  • Temperature Extremes:

Operating in extreme temperatures, whether high or low, can affect the performance of slewing bearings and potentially reduce their lifespan due to changes in material properties and lubrication effectiveness.

  • Customization and Quality:

The quality of the bearing, manufacturing processes, and the extent of customization also play a role. High-quality bearings designed for specific applications might offer longer lifespans.

  • Manufacturer’s Recommendations:

Always refer to the manufacturer’s guidelines and recommendations for the specific slewing bearing model. They provide valuable insights into maintenance intervals, lubrication, and expected service life.

It’s important to note that these are general estimates, and actual lifespans can vary depending on numerous factors. Regular maintenance, proper lubrication, adherence to guidelines, and consideration of operating conditions are essential for maximizing the lifespan of slewing bearings.

slewing bearing

Are there any Specific Safety Precautions to Take When Working with Slewing Bearings?

Working with slewing bearings involves certain safety considerations to prevent accidents and ensure the well-being of personnel. Here are some specific safety precautions to take:

  • Training and Knowledge:

Ensure that personnel working with slewing bearings are properly trained and have a clear understanding of the equipment, procedures, and safety protocols.

  • Protective Equipment:

Use appropriate personal protective equipment (PPE), including gloves, safety goggles, and hearing protection, to safeguard against potential hazards.

  • Lockout/Tagout:

Follow lockout/tagout procedures when performing maintenance or repairs. Locking out equipment prevents unexpected activation and potential hazards.

  • Machine Shutdown:

Before working on machinery containing slewing bearings, ensure that the equipment is properly shut down, power sources are disconnected, and any stored energy is released.

  • Proper Tools:

Use suitable tools and equipment for maintenance and assembly to prevent accidents and ensure accurate work.

  • Weight Handling:

If handling heavy slewing bearing components, use appropriate lifting equipment and techniques to avoid strain or injury.

  • Secure Work Area:

Ensure that the work area is clean, organized, and free from obstacles. This reduces the risk of tripping hazards and improves overall safety.

  • Work with a Partner:

Whenever possible, perform tasks involving slewing bearings with a partner. Having someone nearby can provide assistance in case of emergencies.

  • Safe Access:

Ensure safe access to the work area, including the use of stable platforms or ladders, to prevent falls or slips.

  • Warning Signs:

Use proper warning signs and labels to alert others about ongoing maintenance or potential hazards related to slewing bearings.

  • Manufacturer Guidelines:

Adhere to the manufacturer’s recommendations for maintenance, lubrication, and safety practices specific to the slewing bearings being worked on.

  • Emergency Procedures:

Have clear emergency procedures in place and communicate them to all personnel. Know the location of emergency equipment and exits.

By following these safety precautions, you can minimize risks associated with working on slewing bearings and create a safer environment for maintenance personnel.

slewing bearing

What are the Materials Commonly Used in Manufacturing Slewing Bearings and Their Respective Benefits?

Slewing bearings are manufactured using a variety of materials, each offering specific benefits that suit different industrial applications. Some common materials and their advantages include:

  • Steel:

High-quality steel, such as chrome or stainless steel, is widely used due to its durability, strength, and resistance to corrosion. Steel bearings can handle heavy loads and offer excellent wear resistance, making them suitable for heavy-duty applications.

  • Forged Steel:

Forged steel is even more robust than standard steel due to the manufacturing process that aligns the grain structure. This material is suitable for applications with extreme loads, harsh environments, and high impact forces.

  • Bearing Steel:

Bearing steel, designed specifically for rolling-element bearings, provides superior hardness and wear resistance. It’s commonly used in slewing bearings to extend their service life and minimize wear.

  • Alloy Steel:

Alloy steels offer a combination of strength, toughness, and corrosion resistance. They are suitable for applications that require both load-bearing capacity and resistance to challenging conditions.

  • Cast Iron:

Cast iron is often used in smaller, low-load slewing bearings. It provides good damping properties and is cost-effective for less demanding applications.

  • Bronze:

Bronze bearings are known for their self-lubricating properties and resistance to corrosion. They are commonly used in applications where maintenance-free operation and low friction are important.

  • Plastics and Polymers:

Various plastics and polymers are employed for their lightweight, corrosion resistance, and low friction characteristics. These materials are suitable for applications that require chemical resistance and reduced noise levels.

  • Ceramics:

Ceramic materials offer excellent corrosion resistance, high temperature resistance, and electrical insulation properties. While less common, they are used in specialized applications like semiconductor manufacturing and certain medical equipment.

  • Coatings:

Special coatings like zinc, nickel, or chrome plating can be applied to enhance corrosion resistance and reduce friction. These coatings are often used in combination with other base materials to improve performance.

Choosing the appropriate material depends on factors like load, environment, operating conditions, and maintenance requirements. Engineers carefully consider these factors to ensure that the selected material aligns with the specific needs of the application.

China supplier Excavator Zx450-3 Part Number 9247287 Slewing Bearing Slewing Ring Bearing Replacement   connecting rod bearingChina supplier Excavator Zx450-3 Part Number 9247287 Slewing Bearing Slewing Ring Bearing Replacement   connecting rod bearing
editor by CX 2024-04-16

Slewing bearings

As one of the slewing bearings manufacturers, suppliers, and exporters of mechanical products, We offer slewing bearings and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of slewing bearings.

Recent Posts