Product Description

131.50.3150 Triple row cylindrical roller combined External Gear slewing Bearing Introduction:They play a crucial role in enabling smooth and controlled rotation in heavy-duty machinery, offering high load capacity, compact design, smooth operation, and durability, among other features.
131.50.3150 Triple row cylindrical roller combined External Gear slewing Bearing0 key features:

1.High Load Capacity:External gear slewing bearings are engineered to handle high axial, radial, and moment loads, making them suitable for heavy-duty applications.
2. Compact Design:Despite their high load capacity, these bearings have a relatively compact design, allowing for efficient use of space in machinery.
3.Smooth Operation:They provide smooth and precise rotation, essential for applications where accuracy and reliability are critical.

131.50.3150 Triple row cylindrical roller combined External Gear slewing Bearing Display:

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Standard or Nonstandard: Standard
Feature: Corrosion-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Multiple-Column
Roller Type: Straight Raceway
Material: Bearing Steel
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Customization:
Available

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slewing bearing

Are there any Notable Advancements in Slewing Bearing Technology in Recent Years?

In recent years, there have been several notable advancements in slewing bearing technology, driven by the demand for improved performance, efficiency, and durability. Some key advancements include:

  • Enhanced Materials:

New material compositions, coatings, and surface treatments have been developed to improve the corrosion resistance, wear resistance, and overall longevity of slewing bearings. These advancements enable bearings to perform reliably in harsh environments.

  • Integrated Sensors:

Advancements in sensor technology have led to the integration of sensors within slewing bearings. These sensors monitor parameters such as temperature, load, and vibrations, providing real-time data for predictive maintenance and improving overall operational efficiency.

  • Sealing and Contamination Control:

New sealing technologies and designs have been introduced to enhance the sealing effectiveness of slewing bearings, preventing the ingress of contaminants and extending bearing life. These advancements are particularly beneficial in industries with demanding environmental conditions.

  • Smart Lubrication Systems:

Advanced lubrication systems have been developed, incorporating features like automatic lubrication and condition-based lubrication. These systems optimize lubrication levels, reducing friction and wear, and contributing to longer bearing life.

  • Improved Manufacturing Techniques:

Precision manufacturing techniques, such as advanced machining and forging methods, have improved the consistency and quality of slewing bearings. This results in bearings with tighter tolerances, better load distribution, and enhanced performance.

  • Finite Element Analysis (FEA) and Simulation:

FEA and simulation software have been employed to model and analyze the behavior of slewing bearings under various conditions. This technology aids in optimizing bearing design, load distribution, and durability.

  • Customization and Tailored Solutions:

Manufacturers are increasingly offering customized slewing bearing solutions to meet specific application requirements. This includes designing bearings for unique loads, dimensions, and operating conditions.

  • Digitalization and Industry 4.0 Integration:

Integration with Industry 4.0 principles has led to the development of connected and digitally-enabled slewing bearing solutions. This enables remote monitoring, data analysis, and predictive maintenance strategies.

These advancements collectively contribute to more reliable, efficient, and durable slewing bearings, meeting the evolving needs of industries across the board.

slewing bearing

What are the Signs of a Damaged or Worn-out Slewing Bearing that Requires Replacement?

Identifying the signs of a damaged or worn-out slewing bearing is essential for preventing potential failures and ensuring equipment reliability. Here are common indicators that a slewing bearing may require replacement:

  • Unusual Noise:

If you notice grinding, clicking, or any abnormal noises during operation, it could be a sign of wear or misalignment in the slewing bearing.

  • Increased Vibration:

Excessive vibration or shaking during rotation could indicate misalignment, damage, or uneven wear in the slewing bearing.

  • Irregular Movement:

If the machinery exhibits irregular or jerky movement instead of smooth rotation, it might be due to a damaged slewing bearing.

  • Uneven Load Distribution:

Uneven distribution of loads can lead to accelerated wear on specific sections of the bearing, causing premature failure.

  • Abnormal Heat Generation:

If the slewing bearing becomes excessively hot during operation, it may suggest friction, misalignment, or lack of proper lubrication.

  • Excessive Play or Clearance:

Too much axial or radial play in the bearing can indicate wear, misalignment, or component fatigue, requiring inspection and potential replacement.

  • Leakage of Lubricant:

If lubricant leaks from the bearing or seals, it may signify damage to the sealing mechanism or an internal issue that needs attention.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, corrosion, pitting, or other forms of damage. Cracks, dents, or deformation are clear indicators of potential problems.

  • Reduced Performance:

If the machinery’s performance deteriorates, such as decreased rotation speed, reduced load capacity, or increased power consumption, it could be due to a failing slewing bearing.

  • Increased Maintenance Frequency:

If you find yourself needing to perform more frequent maintenance or repairs on the bearing, it might indicate that the bearing is nearing the end of its service life.

  • Manufacturer’s Service Life:

Consult the manufacturer’s guidelines for the expected service life of the slewing bearing. If the bearing is approaching this limit, it’s advisable to consider replacement.

If any of these signs are observed, it’s important to consult with experts and consider replacing the slewing bearing to prevent further damage and ensure the safe and efficient operation of machinery.

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 factory 131.50.3150 Triple Row Cylindrical Roller Combined External Gear Slewing Bearing   drive shaft bearingChina factory 131.50.3150 Triple Row Cylindrical Roller Combined External Gear Slewing Bearing   drive shaft bearing
editor by CX 2024-05-10

Slewing bearings

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