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 1 OLD 926 Type 2   R916 LC   R934 933816501 R922 LE982706001 R934HD-S LE939500601 924C   934 982752401 924HDSL LE982751901 R944   A924C 982751901 R-944C 933628601 A924C 932833001 R944B 933626601 R924   LTM1080/1   R924B 982751901 LTM1080/1  

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: Seal Rings
Rolling-Element Number: Single Row
Roller Type: Four Point Contact
Material: 50mn/42CrMo
Samples:
US$ 1850/Set
1 Set(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

slewing bearing

How do Environmental Factors such as Temperature and Exposure to Corrosive Substances Impact Slewing Bearings?

Environmental factors, including temperature variations and exposure to corrosive substances, have a significant impact on the performance and longevity of slewing bearings. Here’s how these factors affect slewing bearings:

  • Temperature Extremes:

High Temperatures: Excessive heat can lead to premature bearing failure by affecting the lubrication properties, causing thermal expansion, and accelerating wear. Bearings operating at high temperatures require special lubricants and materials that can withstand thermal stresses.

Low Temperatures: Extremely low temperatures can lead to reduced lubricant viscosity, increasing friction and wear. Bearings operating in cold environments might require low-temperature lubricants and materials that maintain their properties in freezing conditions.

  • Corrosive Substances:

Moisture and Water: Exposure to moisture and water can lead to rust, corrosion, and erosion of bearing components. This is particularly relevant in marine environments or applications exposed to frequent wet conditions.

Chemical Exposure: Corrosive chemicals and aggressive substances can deteriorate bearing materials and lubricants, leading to accelerated wear and potential structural damage.

Dust and Particles: Dust, dirt, and particles can infiltrate the bearing, causing abrasive wear and increasing the risk of damage to the rolling elements and raceways.

  • Effects on Lubrication:

Temperature extremes and exposure to corrosive substances can compromise the effectiveness of lubrication. High temperatures can degrade lubricants, while corrosive environments can contaminate or dilute lubricants, reducing their protective qualities.

  • Material Selection:

When designing slewing bearings for specific environments, choosing appropriate materials is crucial. Stainless steels, specialized coatings, and corrosion-resistant materials are often preferred for applications where corrosion is a concern.

  • Sealing Solutions:

Effective sealing solutions are essential to protect slewing bearings from moisture, chemicals, and contaminants. Proper sealing helps maintain lubrication integrity and prevents external substances from entering the bearing.

  • Maintenance and Inspection:

Regular maintenance and inspections are critical in environments with temperature fluctuations and corrosive exposure. Prompt removal of contaminants, re-lubrication, and replacement of damaged parts can mitigate the effects of these factors.

  • Application-Specific Considerations:

Understanding the environmental conditions of the application is essential for selecting the appropriate slewing bearing type, materials, and maintenance practices. Customized solutions might be necessary for extreme environments.

In summary, temperature variations and exposure to corrosive substances can degrade the performance and durability of slewing bearings. Proper material selection, sealing, lubrication, and maintenance practices are vital for ensuring the bearings’ reliability in challenging environmental conditions.

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 is a Slewing Bearing and How Does It Work?

A slewing bearing, also known as a turntable bearing, is a specialized type of rolling-element bearing designed to handle axial, radial, and moment loads simultaneously. It allows rotational movement between two parts while supporting the loads applied to them. Slewing bearings are commonly used in various applications such as cranes, construction equipment, wind turbines, and industrial machinery.

At its core, a slewing bearing consists of multiple components, including an outer ring, an inner ring, rolling elements (balls or rollers), and in some designs, a gear or teeth arrangement. The outer ring is typically stationary and mounted to a fixed structure, while the inner ring is connected to the rotating part. The rolling elements provide smooth movement between the two rings, enabling rotation.

Slewing bearings work by minimizing friction and distributing loads effectively across the rolling elements. When a rotational force is applied to the inner ring, the rolling elements facilitate the smooth rotation of the inner ring relative to the outer ring. The rolling elements are positioned within raceways or grooves in the rings, ensuring proper contact and load distribution.

The addition of gears or teeth to the slewing bearing design enables the transmission of torque between the inner and outer rings. This feature is particularly useful when precise rotation control is required, as seen in applications like cranes and heavy machinery.

In summary, a slewing bearing functions as a rotational joint that can support various loads and movements. Its design, which includes rolling elements and optional gear systems, allows it to manage axial, radial, and moment loads while facilitating smooth rotation between connected parts.

China OEM 934 982752401 Excavator Slewing Ring Bearing Slewing Bearing Replacement Turntable Ring   with Best SalesChina OEM 934 982752401 Excavator Slewing Ring Bearing Slewing Bearing Replacement Turntable Ring   with Best Sales
editor by CX 2024-04-13

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.

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