Product Description

Product Description 

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Company Profile

HangZhou Terry Machinery Co.Ltd  is a leading supplier of bearings, Linear motion system for CNC , Ball transfer Unit and
transmission component .the growing industrial and Favorable policy of HangZhou benefit the development of Terry Machinery .
Our products are utilized in industrial, motorcycle, vehicle and Automation applications. Now we are exporting to 46 countries.
including USA, GBR , Germany , Spain, Poland ,Turkey ect .The Goal of Terry Machinery to provide out customers with widest
range of products at competitive prices, backed with the best Service.OUR ADVANTAGE Products Our major products & Supplied:
Meet all the international standards and ISO9001 -TS1694 Certificate Big volume in Stock, No MOQ required Personnel Our
salespersons are well trained to accommodate your requests and speak English for your conveniences.Our technicians and engineers
Experience in the Industry area exceeds 23 years Service &Quality control ,We supply detailed drawings and offer when ever necessary,
We help all customers promote and improve their sales.We inspect every piece of products by ourselves before delivery.

Packing &Delivery

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Feature: High Speed
Material: Bearing Steel
Weight: 11.4kg
Samples:
US$ 200/Piece
1 Piece(Min.Order)

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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

How does Preload Affect the Performance and Stability of Slewing Bearings?

Preload is a critical factor that can significantly impact the performance and stability of slewing bearings. It involves applying a controlled axial force to the bearing components before assembly. Here’s how preload affects slewing bearings:

  • Reduced Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and raceways. This minimizes play or clearance in the bearing, enhancing its rigidity and reducing the potential for rolling element skidding during operation.

  • Improved Stiffness:

Preloaded slewing bearings exhibit higher stiffness due to the elimination of internal clearance. This improved stiffness is crucial in applications requiring precise positioning, such as robotics and high-precision machinery.

  • Enhanced Load Distribution:

Preload improves the load distribution among rolling elements, minimizing stress concentrations and promoting uniform load sharing. This is especially important in applications with varying loads and forces.

  • Reduced Vibrations:

By eliminating internal clearance and minimizing rolling element movements, preloaded bearings experience reduced vibrations during operation. This contributes to smoother and more stable equipment performance.

  • Precise Positioning:

Preload ensures minimal movement within the bearing during rotational changes, making it suitable for applications where precise positioning and accurate motion control are essential.

  • Resistance to External Loads:

Preloaded bearings are better equipped to handle external forces and shocks without significant deformation or misalignment, maintaining consistent performance even under varying conditions.

  • Reduced Wear:

With reduced internal clearance and controlled movement, preloaded bearings experience less wear and fatigue. This extends their service life and reduces the frequency of maintenance.

  • Limitations:

However, excessive preload can lead to increased friction, heat generation, and potential damage. It’s essential to apply the right amount of preload according to manufacturer recommendations and application requirements.

In summary, preload in slewing bearings enhances rigidity, load distribution, and stability, making them suitable for applications that demand precise movement and control. Properly applied preload ensures optimal performance and extends the operational life of the bearing.

slewing bearing

What are the Advantages of Using Slewing Bearings in Industrial Applications?

Slewing bearings offer several advantages that make them valuable components in various industrial applications. Some of the key advantages include:

  • High Load-Carrying Capacity: Slewing bearings are designed to handle significant axial, radial, and moment loads simultaneously, making them suitable for heavy-duty industrial equipment.
  • Space and Weight Savings: Slewing bearings enable compact designs by combining axial and radial bearing functions into a single unit. This helps save space and reduces the overall weight of machinery.
  • Smooth Rotational Movement: The design of slewing bearings ensures smooth and precise rotation, contributing to the efficiency and performance of machinery and equipment.
  • Minimal Maintenance: Properly lubricated slewing bearings require minimal maintenance due to their robust construction and efficient load distribution.
  • Enhanced Durability: Slewing bearings are built to withstand harsh environmental conditions, heavy loads, and repetitive movements, leading to long service life.
  • Cost Efficiency: Despite their initial investment, the extended lifespan and low maintenance requirements of slewing bearings result in cost savings over time.
  • Customizability: Slewing bearings can be tailored to specific application requirements, including size, load capacity, and sealing options.
  • Precise Positioning: Slewing bearings with integral gearing systems allow for accurate positioning, making them ideal for applications that demand controlled movement.
  • Versatility: They are used in a wide range of industries, including construction, manufacturing, energy, transportation, and more.
  • Reduced Friction and Wear: The rolling-element design of slewing bearings reduces friction and wear, contributing to efficient operation and extended component life.

Overall, the advantages of slewing bearings make them indispensable in industrial applications where reliable and efficient rotational movement is required.

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editor by CX 2024-05-16