Product Description

Excavator swing beaing,swing circle,slewing circle for JCB,Doosan,Komatsu,Liebherr

Good quality and Best services at reasonable prices
Slewing Bearing
Material: 50Mn
Technology: Forging or Casting
Finish: Smooth
Hardness: HRC50-60
Deepth: 4mm-10mm
Heat treatment: Quenching
Dimensions: International Standard
Port: HangZhou
Supply Ability: 100000 Piece/Pieces per Month can improve
Packaging Detail: Wooden case/pallet
Delivery Detail: 10-20 days after the payment
Certificate: ISO9002
Warranty time: 6 months
Service: OEM and after-sale service

Our manufacturer can supply the Model below:
Komatsu:
PC40-7 PC60-5-6-7 PC75 PC100-3-5 PC120-5 PC130 PC200-2-3-4-5-6-7-8 PC220-1-3-5 PC230 PC240 PC300-1-5-6-7 PC400-1-3-5

Hitachi:
EX40 EX55 ZX55 EX55-5B EX60-2-3 EX70(ZX70) EX100M EX100-1-2-3-5 EX120 EX150 EX160 EX200-1-2-3-5 ZX200 ZX210 EX220 ZX230 EX300-1-2-3-5 EX330 EX400 UH08 UH07 UH10 UH14

Sumitomo:
SH60 SH65 SH100 SH120-A3 SH120 SH200 SH220-1-5 SH260 SH280 SH300-1-2-3 SH340 SH580-5 S25 S35 S120 S160 S250 S260 S265F2 S280 S280F2 S280FA

Kobelco:
SK30 SK40 SK60 SK100 SK120 SK200-1-6 SK220-1-3 SK230-3-6 SK300 SK320 SK07-1-2-7 SK07N2 SK09

Caterpillar:
E70 E110 E120B E180 E200B E240 E300B E307 CAT311 CAT312 E320 E325 E330 E450 MS180

Daewoo:
DH55 DH60 DH70 DH80 DH150 DH150W DH175 DH200 DH210 DH215-7-9 DH220-3-5-7 DH225 DH255 DH258 DH280 DH300 DH320 DH330 DH340 DH370 DH400

Kato:
HD250 HD250SE HD400 HD450 HD500 HD510 HD550 HD550SE HD650 HD700 HD770 HD800 HD1250 HD1430

Hyundai:
R55 R60-5-7-9 R80 R110 R130-1-2-7 R150 R190 R200-1-2 R210 R215 R220 R225-7 R265 R290 R305 R455

Volvo:
EC55B EC60C EC140B EC200B EC210B EC240B EC290B EC360B EC460B EC550

Bulldozer:
D20 D31 D50 D60 D65 D30 D40 D60-3 D6B D5 D80 D85 D3C D4C D4D D75 D80A-7 D4E D4H-1 D31-15 D31-18 D50-15 D50-16 D6D D5H D8N D9N D155 D31 D355 D10

Heavy equipment undercarriage parts for JCB,Doosan,Shantui,Liebherr

HangZhou Fortune Machinery Co., Ltd. is 1 of main manufacturers and exporters of undercarriage parts for excavators and bulldozers for more than 10 years in China. Its factory is located at HangZhou City of ZheJiang Province, very near HangZhou Port with a very convenient transportation.

HangZhou Fortune Machinery mainly supply undercarriage replacement parts such as track rollers, top rollers, sprockets, segments, idler assy, track link assy, track shoe, bucket, bucket teeth, bucket link, I link, cutting side, end bits, bushings pins, bolts and nuts for excavators and bulldozers. Its products are applicable for most famous makes such as Komatsu, Hitachi, Caterpillar, Kobelco, Kato, Daewoo, Hyundai, CZPT and so on. Most products are exported to European, Southeast Asia, Middle East, South America etc.

With the principal “Good quality and Best services at reasonable prices”, we strive to continually improve our production technique to provide better products at better prices. We cordially welcome the customers from all over the world to consult and visit, on the basis of mutual benefit and creat refulgence together.
 

BRAND                
KOMATSU PC30 PC40 PC45 PC60 PC75 PC100 PC120 PC200
EXCAVATOR PC220 PC300 PC350 PC400        
CATERPILLAR E70B E110 E120 E200B E307 E311 E312 E320
EXCAVATOR E322 E325 E300B E330        
KOMATSU D20 D21 D30 D31 D37 D40 D50 D60
BULLDOZER D63 D65 D80 D85 D135 D155 D355 D375
CATERPILLAR D3C D3D D4 D4C D4D D4E D5 D5H
BULLDOZER D6 D6C D6D D6H D7E D7G D8N D9N
HITACHI EX30 EX40 EX60 EX100 EX120 EX200 EX220 EX300
  EX400 ZAX200 ZX330 ZX350 UH07 UH081 UH083  
DAEWOO DH55 DH200 DH220 DH280 DH300 DH320    
HYUNDAI R55 R110 R130 R150 R200 R210 R250 R290
KEBELCO SK60 SK100 SK120 SK200 SK220 SK300 K904 K907
MITSUBISHI MS110 MS120 MS140 MS180        
KATO HD140 HD250 HD400 HD550 HD700 HD850 HD900 HD1220
SAMSUNG H.I. MX8 SE200 SE210 SE280 MX292 SE350    
SUMITOMO SH70 SH100 SH120 SH160 SH200 SH280 SH300 SH340

Contact us:
HangZhou Fortune Machinery Co., Ltd.
Contact person:James
fortunepart

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After-sales Service: One Year
Warranty: One Year
Type: Crawler
Application: Excavator
Certification: ISO9001: 2000
Condition: New
Customization:
Available

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Customized Request

slewing bearing

How do Slewing Bearings Contribute to the Smooth Rotation of Cranes and other Heavy Machinery?

Slewing bearings play a vital role in ensuring the smooth and efficient rotation of cranes and other heavy machinery that require controlled movement. Their design and functionality are specifically tailored to handle the unique challenges posed by such applications. Here’s how slewing bearings contribute to the smooth rotation of cranes and heavy machinery:

  • Load Handling:

Crane operations involve lifting and moving heavy loads. Slewing bearings are designed to carry substantial axial, radial, and moment loads simultaneously. This load-handling capacity allows cranes to lift and transport heavy objects with precision.

  • Smooth Rotation:

Slewing bearings provide a smooth interface between the upper structure (superstructure) and the lower structure (substructure) of the machinery. This allows for controlled and precise rotation of the upper structure, enabling cranes to maneuver smoothly during lifting, loading, and unloading operations.

  • Efficient Torque Transmission:

During crane rotation, torque generated by the motor is transmitted through the slewing bearing to the upper structure. The bearing’s design ensures efficient torque transmission, minimizing energy losses and facilitating smooth rotation even under heavy loads.

  • Low Friction and Wear:

Slewing bearings are engineered to minimize friction and wear. This reduces the energy required for rotation and prevents premature wear that could affect the bearing’s performance and longevity.

  • High Stiffness:

Slewing bearings exhibit high stiffness, which contributes to the stability of the machinery during rotation. This stiffness ensures minimal deflection and maintains precise alignment, essential for safe and controlled movement.

  • Uniform Load Distribution:

The raceway design of slewing bearings promotes uniform load distribution among rolling elements. This prevents stress concentrations and uneven wear, enhancing the bearing’s durability and contributing to smooth operation.

  • Slow and Controlled Movement:

Crane operations often require slow and controlled rotation, especially when positioning heavy loads. Slewing bearings facilitate this type of movement, allowing operators to make precise adjustments.

  • Customization for Specific Applications:

Slewing bearings can be customized to match the specific requirements of different crane designs and applications. This customization ensures optimal performance and longevity in various operational scenarios.

In summary, slewing bearings are essential components that enable the smooth and precise rotation of cranes and heavy machinery. Their load-carrying capacity, low friction, high stiffness, and ability to transmit torque efficiently contribute to the reliable and controlled movement required for various lifting and loading operations.

slewing bearing

What are the Common Maintenance Practices for Ensuring the Durability of Slewing Bearings?

Maintaining slewing bearings is crucial for ensuring their longevity and optimal performance. Here are some common maintenance practices to enhance the durability of slewing bearings:

  • Regular Inspection:

Perform routine visual inspections to check for signs of wear, corrosion, and damage. Inspect seals, lubrication levels, and any unusual noises or vibrations during operation.

  • Lubrication:

Follow the manufacturer’s guidelines for lubrication intervals and use appropriate lubricants. Lubricate the bearings to ensure smooth operation, reduce friction, and prevent wear.

  • Seal Maintenance:

Inspect and maintain seals to prevent the ingress of contaminants such as dust, dirt, and moisture. Damaged or worn seals should be replaced promptly.

  • Cleaning:

Regularly clean the bearing and its surrounding area to remove dirt, debris, and contaminants that could affect performance. Keep the bearing environment as clean as possible.

  • Environmental Protection:

If the bearings are exposed to harsh conditions, consider using protective covers or shields to prevent direct exposure to elements like water, chemicals, and abrasive materials.

  • Alignment and Mounting:

Ensure proper alignment during installation to prevent unnecessary stress on the bearing. Accurate mounting reduces the risk of misalignment-related failures.

  • Torque Monitoring:

If the bearing has gears, regularly monitor and maintain the torque levels to prevent overloading and premature wear.

  • Load Distribution:

Operate the machinery within the specified load limits to avoid overloading the bearing, which can lead to fatigue and failure.

  • Replacement of Worn Components:

If any components, such as seals or lubrication fittings, show signs of wear, replace them promptly to maintain the integrity of the bearing system.

  • Documentation:

Maintain records of maintenance activities, including lubrication schedules, inspections, and any repairs or replacements. This documentation helps track the bearing’s history and aids in decision-making.

  • Training:

Ensure that maintenance personnel are adequately trained to carry out proper inspection, lubrication, and maintenance procedures.

By implementing these maintenance practices, you can maximize the service life of slewing bearings, minimize downtime, and maintain consistent machinery performance.

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 Good quality Slewing Swing Bearing for CZPT Js200 Excavator Spare Parts   bearing bronzeChina Good quality Slewing Swing Bearing for CZPT Js200 Excavator Spare Parts   bearing bronze
editor by CX 2024-04-16