China best Hydraulic Rotary Gear Bearing Slewing Ring Bearing bearing block

Product Description

Product Description

 

China factory direct sale swing bearing heavy duty Slewing Bearing
Features of Slewing Bearings:
Slewing bearing is also called: Slewing ring bearing/ Turntable bearing/ Slewing ring etc. Slewing Ring Bearings can accommodate axial, radial and moment loads acting single or in combination and in any direction. They are not mounted in a housing or on ashaft, but directly to a seating surface. The inner and outer ring are supplied with mounting holes. Both rings may have integralgears. They are also referred to as slewing rings and tabletop bearings. Slewing ring bearing can perform oscillating (slewing) aswell as rotating movements. They may be used without gears or with internal or external gears.

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FAQ

 

Q: How to order?
A: send us inquiry → receive our quotation → negotiate details → confirm the sample → sign contract/deposit → mass production → cargo ready → balance/delivery → further cooperation.

Q: How about Sample order?
A: Sample is available for you. please contact us for details. Contact us

Q: Which shipping way is avaliable?
A: DHL, UPS, FedEx, TNT, EMS, China Post,Sea are available.The other shipping ways are also available, please contact us if you need ship by the other shipping way. 

Q: How long is the deliver?
A: Devliver time depends on the quantity you order. usually it takes 15-25 working days.

Q: My package has missing products. What can I do?
A: Please contact our support team and we will confirm your order with the package contents.We apologize for any inconveniences. 

Q: How to confirm the payment?
A: We accept payment by T/T, PayPal, the other payment ways also could be accepted,Please contact us before you pay by the other payment ways. Also 30-50% deposit is available, the balance money should be paid before shipping.
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Feature: High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant, Low Noise, Low Vibration
Sealing Gland: Rubber Seal
Rolling-Element Number: Double-Row
Roller Type: Deep Groove Raceway
Material: 50mn/42CrMo/S48c/42CrMo4/16mn
Type: All
Customization:
Available

|

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

Can you Provide Examples of Industries where Slewing Bearings are Crucial Components?

Slewing bearings play a vital role in various industries due to their ability to handle complex loads and rotational movements. Here are some examples of industries where slewing bearings are crucial components:

  • Construction Industry:

Slewing bearings are used in construction machinery such as cranes, excavators, and concrete pumps. They enable the movement of heavy loads, contributing to efficient construction operations.

  • Wind Energy Industry:

In wind turbines, slewing bearings allow the rotor blades and nacelle to rotate for optimal wind capture. Their durability and load-bearing capacity are essential for reliable wind turbine operation.

  • Mining Industry:

Slewing bearings are employed in mining equipment like stacker-reclaimers and conveyor systems. They facilitate the movement of large quantities of materials, contributing to efficient mining operations.

  • Marine Industry:

Slewing bearings are used in ship cranes, davits, and other marine equipment for cargo handling and maintenance tasks. They play a crucial role in maritime operations.

  • Aerospace Industry:

Slewing bearings find applications in aerospace equipment like aircraft landing gear systems, satellite antenna deployment mechanisms, and more.

  • Manufacturing Industry:

Industrial robots and automation systems utilize slewing bearings for precise rotational movement, enhancing manufacturing processes.

  • Material Handling Industry:

Slewing bearings are crucial in material handling equipment such as conveyor systems, container cranes, and automated storage and retrieval systems.

  • Energy Industry:

In the energy sector, slewing bearings are used in equipment such as solar trackers, tidal energy platforms, and hydroelectric power plants.

  • Medical Industry:

Some medical imaging equipment like CT scanners and MRI machines use slewing bearings for rotational movement, contributing to accurate diagnostics.

  • Entertainment Industry:

In theme parks and entertainment venues, slewing bearings are used in amusement rides that require controlled rotational movement.

  • Automotive Industry:

Slewing bearings can be found in various automotive applications, such as car turntables and components in heavy-duty vehicles.

These are just a few examples of the diverse industries where slewing bearings are crucial components, contributing to the efficient operation of machinery and equipment.

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 best Hydraulic Rotary Gear Bearing Slewing Ring Bearing   bearing blockChina best Hydraulic Rotary Gear Bearing Slewing Ring Bearing   bearing block
editor by CX 2024-05-17

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