Slewing Bearing

The Ultimate Guide to Understanding Slewing Ring Components

Replacement INA Slewing Bearing

Introduction to Slewing Ring

Slewing ring, also known as slewing bearings or slewing ring bearings, are essential components in various industrial applications that require precise rotational movement and the ability to support heavy radial and axial loads. These specialized bearings are designed to facilitate smooth, controlled rotation while withstanding extreme operating conditions. In this comprehensive guide, we’ll explore the world of slewing rings, their components, applications, and the unique offerings from LKPB, a leading slewing ring manufacturer and supplier in China.

Components of a Slewing Ring

A slewing ring is a complex assembly comprising several critical components that work together to ensure reliable and efficient performance. Here are the key components that make up a typical slewing ring:

  1. Outer Ring: The outer ring is the stationary component of the slewing ring and is typically mounted onto a fixed structure. It provides a raceway for the rolling elements and helps distribute the applied loads evenly.
  2. Inner Ring: The inner ring is the rotating component of the slewing ring and is connected to the machinery or structure that needs to rotate. It also features a raceway for the rolling elements and is designed to withstand the combined radial and axial loads.
  3. Rolling Elements: The rolling elements, such as rollers or balls, are positioned between the inner and outer raceways. These elements facilitate smooth rotation while transferring the loads from the inner ring to the outer ring.
  4. Separators or Cages: Separators or cages are components that maintain the correct spacing and distribution of the rolling elements, preventing them from colliding or becoming misaligned during operation.
  5. Seals and Lubrication Systems: Effective sealing and lubrication systems are crucial for the proper functioning and longevity of slewing rings. These components protect the internal components from contaminants and ensure adequate lubrication, reducing friction and wear.

LKPB: A Trusted Name in the Slewing Ring Industry

LKPB, a renowned slewing ring manufacturer and supplier in China, has established itself as a leader in the industry by providing high-quality products and exceptional customer service. With a state-of-the-art factory and skilled workforce, LKPB is dedicated to delivering innovative solutions that meet the diverse needs of its global customers.

One of the key advantages of partnering with LKPB is their commitment to customization and OEM services. The company’s engineering team works closely with clients to design and manufacture slewing rings that meet their exact specifications, ensuring optimal performance and reliability in even the most demanding applications.

Types of Slewing Rings and Their Applications

Slewing rings are available in various types, each designed to cater to specific application requirements. Here are some of the most common types and their applications:

  1. Three-row Roller Slewing Rings: Known for their exceptional load-carrying capacity, these slewing rings are commonly used in heavy-duty applications such as cranes, excavators, and mining equipment.
  2. Four-point Contact Ball Slewing Rings: Offering high rigidity and precision, these slewing rings are ideal for applications that require minimal deflection and precise positioning, such as radar systems and telescope mounts.
  3. Cross Roller Slewing Rings: Designed for applications with limited space, these slewing rings have a compact structure and can accommodate both axial and radial loads, making them suitable for industrial robots and material handling equipment.
  4. Non-gear Slewing Rings: These slewing rings are suitable for applications that require low to medium rotational speeds, such as wind turbines and solar tracking systems.

LKPB Slewing Ring products

Cross roller slewing ring bearings
Cross Roller
Four-point contact ball slewing ring bearings
Four-point Contact
Eight-point contact same path
Eight-point contact same path
Eight-Point Contact Different Path Slewing Ring Bearings
Eight-point contact different path
Three-row roller
Three-row roller
Flange Slewing Bearing (Replace of INA/KAYDON)
Flange Slewing Bearing
Replacement INA Slewing Bearing
Replacement INA
Replacement KAYDON Slewing Bearings
Replacement KAYDON
Replacement SKF Slewing Bearing
Replacement SKF

Factors to Consider When Selecting Slewing Rings

When selecting slewing rings for a specific application, several factors must be taken into consideration to ensure optimal performance and reliability. These factors include:

  1. Load Capacity: The slewing ring must be capable of supporting the combined radial and axial loads imposed by the application, including static and dynamic loads.
  2. Operating Environment: The slewing ring must be designed to withstand the environmental conditions of the application, such as temperature, moisture, and exposure to contaminants.
  3. Rotational Speed and Accuracy: The slewing ring must meet the rotational speed and positioning accuracy requirements of the application.
  4. Service Life and Maintenance: Factors such as lubrication, sealing, and ease of maintenance should be considered to ensure long service life and minimal downtime.
  5. Customization and Design Flexibility: Depending on the application’s unique requirements, customized solutions or design modifications may be necessary.

Competitive Pricing and Global Reach

At LKPB, we understand the importance of competitive pricing in today’s global market. Our efficient production processes and strategic partnerships with suppliers allow us to offer highly competitive prices without compromising on quality.

With a strong global presence and a network of distributors and partners worldwide, LKPB can deliver its products to customers across various industries and regions. Our commitment to customer satisfaction and timely delivery ensures that our clients receive the support they need, when they need it.


Slewing rings are critical components in a wide range of industrial applications, enabling precise rotational movements and supporting heavy loads. As a trusted slewing ring manufacturer and supplier in China, LKPB offers a comprehensive range of products, customizable solutions, and OEM services to meet the diverse needs of its customers.

Whether you are a manufacturer, contractor, or an individual seeking reliable slewing rings, LKPB is your trusted partner. With our extensive product range, commitment to quality and customer satisfaction, and competitive pricing, we are well-equipped to meet your slewing ring needs. Contact us today to explore how our slewing rings can enhance your operations and drive your business forward.

For expert guidance in meeting your specific requirements, reach out to our knowledgeable team. Experience firsthand how our precision solutions can elevate your machinery’s efficiency and durability. Contact us today!

LKPB With more than 10 years of production experience

Supporting OEM service; 50 days return service; 7*24 hours technical support; Accept non-standard customization; Maximum 24 months product warranty


Luoyang LIKE Precision Machinery Co., Ltd – LKPB®, Product precision can be P5, P4, P2 and VSP, Inside diameter size range φ20mm – φ2000mm. Maximum product quality warranty of 24 months, OEM acceptable.

LKPB With more than 10 years of production experience, The most professional suppliers of precision bearings in China. 

LKPB® strictly follows the ISO9001 quality system requirements for product quality control, relying on the professional technology of the bearing production base, the product quality is stable and cost-effective,

LKPB®, turning the world, carrying unlimited! We have served thousands of customers all over the world during the ten years of our establishment.

Our future goal is to become the most professional manufacturer of rotary table bearings and crossed roller bearings in China, and make LKPB® a world-class bearing brand.

This is our vision and direction!

LKPB® has accumulated rich production experience in the past 10 years,  supporting OEM service. Our products are exported to Germany, Italy, Korea, Japan, the United States, Belgium, Turkey and so on.

Top quality:

1. Precision Rotary Table Bearings ( YRTYRTCYRTSYRTMZKLDF Series) 


3. Precision Thin Section Bearings ( KAA, KA, KB, KC, KD, KF, KG, JHA, JA, JB, JG, JU Series);  

4. Robot Harmonic Reducer Bearings (CSF/CSGSHF/SHGCSD Series, RV Reducer Bearings and Flexible Bearings F, 3E Series); 

5. Angular Contact Ball Bearings ( 718, 719, 70, 722344/2347 Series);  

6. Ball Screw Support Bearings ( ZKLF/ZKLNZARFZARN Series);

7. Precise Slewing Bearring ( Cross RollerFour-Point ContactEight-Point Contact Same PathEight-Point Contact Different PathThree-row roller and Flanged Series);

8. Hollow Rotary Platform Bearings ( ZK Series).

Yes, We have experience working in this area

The main application areas of our products are precision rotary tables, machining center rotary tables, industrial robot joints and rotating, robotic rotating parts, CNC machine tools, automation industry, direct drive motors, precision instruments, radar, medical equipment and other industries.

Regular models are in stock, reasonable prices, ready for delivery, non-standard precision bearings according to the requirements of the drawings and the number of 1-3 weeks delivery time

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