Product Description

Please see details for  slewing ring bearing Slewing Bearing 
RKS.23 571
RKS.23 0541
RKS.23 0641
RKS.23 0741
RKS.23 0841
RKS.23 0571
RKS.23 1091

If you need more details, please feel free to contact us for designing and producing, Attn: Susan Yang

1. Why choose CHINAMFG slewing bearings
Who we are?
We (HangZhou CHINAMFG special heavy-duty and large bearing manufacturing CO., LTD) are a professional
bearing manufacturer in the world, established in 2 1144 868 100 220 RKS.357175712001 1398 1155 80 205 Customized 4 point contact ball slewing bearings without gear Bearing Model Outer Diameter/mm Inner Diameter/mm Height/mm Weight/KG RKS.900155157101 234 125 25 6 RKS.951145157101 332 189 45 17 RKS.901175157101 475 335 45 27

 

Customized crossed roller slewing bearings with external gear
Bearing Model Outer Diameter/mm Inner Diameter/mm Height/mm Weight/KG
RKS.921150303001 403.5 233 55 24
RKS.12145712001 589.5 378 75 62
RKS.121395711002 695 477 77 79
RKS.122295711002 816 571 90 117
RKS.221315711001 864 668 82 97
RKS.22255711001 979 715 100 180
RKS.22135711001 1080 886 82 120
RKS.22265711001 1144 868 100 230
RKS.324012324001 1289.5 980 114 330
RKS.32235711001 1296 980 114 340
RKS.425065711001 1475.5 1080 110 490
RKS.425065717101 1475.5 1080 110 480
RKS.425062621001 1475.5 1080 110 480
RKS.427571711001 1604 1205 130 620
RKS.427050403001 1804.8 1430 141 710
Customized crossed roller slewing bearings with internal gear
RKS.111285711002 562 384.6 60 42
RKS.212145716001 825 567.5 90 133
RKS.211435711001 972 785.6 82 110
RKS.21265711001 1177 965.1 90 155
RKS.211445711001 1172 961 90 182
RKS.312415711001 1316 1082.1 105.5 260
RKS.312415712001 1316 1082.1 105.5 260
RKS.312295712001 1316 1082 105.5 260
RKS.313500404001 1316 1038.8 102 370
RKS.314315711001 1447.8 1038.8 104.65 425
RKS.413295713001 1495 1164.8 110 440
RKS.1 2290 2091 70 290
Customized crossed roller slewing bearings without gear
RKS.921155203001 403.5 233 55 25
RKS.121405257101 589.5 378 75 64
RKS.121395157102 695 477 77 84
RKS.122295157102 816 571 90 125
RKS.223475157101 979 715 100 195
RKS.22265717101 1144 868 100 230

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Rolling Body: Roller Bearings
The Number of Rows: Multi-column
Outer Dimension: Extra Large (440mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 300/Piece
1 Piece(Min.Order)

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Customization:
Available

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What are the signs that indicate a need for slewing ring replacement or maintenance, and how can they be diagnosed?

When it comes to slewing rings, certain signs indicate the need for replacement or maintenance to ensure optimal performance and prevent potential failures. Here’s a detailed explanation of the signs that indicate a need for slewing ring replacement or maintenance, along with methods for diagnosis:

  • Unusual Noise: Unusual noises, such as grinding, clicking, or squealing sounds, during the operation of rotating systems may indicate a problem with the slewing ring. These noises can be caused by worn-out or damaged rolling elements, insufficient lubrication, misalignment, or other issues. Diagnosis involves conducting a thorough inspection of the slewing ring and its components to identify the source of the noise and determine the appropriate course of action.
  • Abnormal Vibration: Excessive vibration during the operation of rotating systems can be a warning sign of a faulty slewing ring. It may indicate misalignment, imbalanced loads, damaged rolling elements, or worn-out bearings. Vibration analysis techniques, such as using vibration sensors or analyzers, can help diagnose the source and severity of the vibration. Based on the analysis results, appropriate maintenance or replacement actions can be taken.
  • Irregular Movement: Any irregular movement or jerking motion of the rotating system can be an indication of a problem with the slewing ring. It may be caused by damaged or worn-out teeth on the slewing ring, misalignment, or inadequate lubrication. Visual observation of the system’s movement during operation can help identify any irregularities. Additionally, conducting a detailed inspection of the slewing ring and its teeth can provide further insight into the issue.
  • Increased Friction: If there is a noticeable increase in friction or resistance during the rotation of the system, it could be a sign of a problem with the slewing ring. This may be due to insufficient or contaminated lubrication, damaged rolling elements, or misalignment. Diagnosis involves checking the lubrication levels and quality, inspecting the rolling elements for signs of damage, and verifying the alignment of the slewing ring.
  • Uneven or Excessive Wear: Visual inspection of the slewing ring can reveal signs of uneven or excessive wear. This can manifest as worn-out or pitted rolling elements, damaged or missing teeth, or abnormal wear patterns on the raceways. Regular inspections and comparing the current condition with the manufacturer’s specifications or previous inspection records can help diagnose the level of wear and determine if maintenance or replacement is necessary.
  • Leakage or Contamination: Leakage of lubricant or the presence of contaminants, such as dirt, water, or debris, in the slewing ring assembly can be indicative of a problem. It may lead to inadequate lubrication, accelerated wear, or corrosion. Visual inspection of the slewing ring and any associated seals or gaskets can help identify any signs of leakage or contamination. Addressing the source of the leakage and ensuring proper sealing is essential to maintain the integrity and performance of the slewing ring.
  • Reduced Load-Carrying Capacity: If the rotating system experiences difficulty in handling its intended loads or shows signs of decreased load-carrying capacity, it may indicate an issue with the slewing ring. Factors such as worn-out rolling elements, damaged raceways, or misalignment can contribute to the reduction in load-carrying capacity. Performance testing and comparing the system’s current capabilities with its original specifications can help diagnose any loss in load-carrying capacity.

In summary, signs that indicate a need for slewing ring replacement or maintenance include unusual noise, abnormal vibration, irregular movement, increased friction, uneven or excessive wear, leakage or contamination, and reduced load-carrying capacity. These signs can be diagnosed through visual inspections, vibration analysis, performance testing, and comparing the observed conditions with the manufacturer’s specifications. Early detection and timely maintenance or replacement of the slewing ring can prevent further damage, ensure safe operation, and extend the lifespan of the rotating system.

In what industries or scenarios are slewing rings commonly employed?

Slewing rings find extensive use in various industries and scenarios where controlled rotational movement and load-bearing capabilities are required. Here’s a detailed explanation of the industries and scenarios where slewing rings are commonly employed:

  • Construction and Heavy Machinery: Slewing rings are widely used in the construction industry for applications such as cranes, excavators, and concrete pumps. They enable the rotation of booms and arms, allowing for efficient material handling, precise positioning, and heavy load support.
  • Wind Energy: Slewing rings play a crucial role in wind turbines. They support the rotor and enable the yaw and pitch movements necessary to optimize wind capture and power generation. Slewing rings in wind turbines must handle substantial loads and operate reliably in harsh environmental conditions.
  • Industrial Automation: In industrial automation, slewing rings are employed in indexing tables, turntables, robotic arms, and packaging machinery. They enable precise and controlled rotation, facilitating automated processes, assembly lines, and material handling systems.
  • Transportation and Automotive: Slewing rings are commonly used in transportation and automotive applications, including vehicle cranes, truck-mounted cranes, aerial platforms, and rotating platforms for heavy-duty vehicles. They provide stable connections and controlled rotation, supporting tasks such as loading and unloading cargo or enabling safe access to elevated areas.
  • Marine and Offshore: Slewing rings are extensively employed in marine and offshore equipment, including ship cranes, davits, and rotating platforms on ships and offshore rigs. They withstand corrosive marine environments and heavy loads, enabling lifting operations and controlled rotation in challenging conditions.
  • Aerospace and Defense: Slewing rings are vital components in aerospace and defense applications, such as radar systems, missile launchers, and satellite antennas. They facilitate precise rotational movements required for tracking, targeting, and communication systems, and must meet stringent requirements for reliability and precision.
  • Medical and Rehabilitation: Slewing rings are used in medical and rehabilitation equipment like patient lifts, adjustable beds, and examination tables. They enable smooth and controlled movement, aiding in patient transfers, positioning, and providing comfort and support.

These are just a few examples of the industries and scenarios where slewing rings are commonly employed. Their versatility, load-bearing capacity, and ability to facilitate controlled rotation make them essential components in a wide range of applications across industries such as construction, renewable energy, industrial automation, transportation, marine, aerospace, and healthcare.

Are there innovations or advancements in slewing ring technology that have emerged recently?

Yes, there have been several innovations and advancements in slewing ring technology that have emerged recently. These advancements aim to improve the performance, efficiency, durability, and versatility of slewing rings in various applications. Here’s a detailed explanation of some recent innovations in slewing ring technology:

  • Lightweight Materials: Manufacturers are increasingly exploring the use of lightweight materials such as aluminum alloys or advanced composites in slewing ring construction. These materials offer high strength-to-weight ratios, reducing the overall weight of the slewing ring without compromising its load-bearing capacity. The adoption of lightweight materials contributes to energy savings, improved maneuverability, and reduced structural stress.
  • Enhanced Sealing and Protection: Slewing rings are being equipped with advanced sealing systems and protective coatings to enhance their resistance to environmental factors such as dust, moisture, and chemicals. These innovations help prevent contamination, reduce friction, and extend the lifespan of the slewing rings, especially in harsh operating conditions.
  • Integrated Bearings and Gear Technology: Some slewing rings now incorporate integrated bearing and gear technologies. This integration eliminates the need for separate bearings and gears, simplifying the design and reducing assembly time. It also improves load distribution and torque transmission, resulting in smoother operation, increased efficiency, and reduced maintenance requirements.
  • Improved Lubrication Systems: Lubrication systems for slewing rings have seen advancements to enhance lubricant distribution and retention. Centralized lubrication systems, automatic lubrication systems, or sealed-for-life designs are being implemented to ensure optimal lubrication and minimize maintenance intervals. These advancements contribute to lower friction, reduced wear, and improved efficiency.
  • Condition Monitoring and Predictive Maintenance: Slewing rings are being equipped with condition monitoring systems that utilize sensors and data analysis techniques. These systems monitor parameters such as temperature, vibration, and load to detect anomalies and predict potential failures. By enabling predictive maintenance, these advancements help optimize maintenance schedules, minimize downtime, and extend the operational life of slewing rings.
  • Smart and Connected Features: The integration of smart and connected features in slewing rings is becoming more prevalent. Slewing rings equipped with IoT capabilities can communicate data wirelessly, enabling remote monitoring, diagnostics, and control. This facilitates real-time performance analysis, allows for centralized management of multiple slewing rings, and supports the implementation of advanced automation and optimization strategies.
  • Improved Manufacturing Techniques: Advances in manufacturing technologies, such as precision machining, automated assembly, and advanced quality control methods, have contributed to the production of high-quality slewing rings. These techniques ensure tighter tolerances, improved surface finishes, and enhanced reliability. Additionally, computer-aided design (CAD) and simulation tools allow for better optimization of slewing ring designs, resulting in improved performance and efficiency.

These recent innovations and advancements in slewing ring technology have opened up new possibilities for various industries where slewing rings are utilized, including construction, mining, renewable energy, material handling, and aerospace. They offer improved performance, increased durability, enhanced functionality, and greater efficiency, enabling the optimization of rotating systems and supporting the development of advanced applications.

China wholesaler Light-Series Slewing Bearing with Flange (RKS. 230841)  China wholesaler Light-Series Slewing Bearing with Flange (RKS. 230841)
editor by Dream 2024-05-16