China wholesaler Light Type Slewing Ring Bearing Slewing Gear231.20.0900.013 wholesaler

Product Description

Slewing Ring Bearing Production Description 
below is the detailed drawing for 231.20.09N  742.3 534 56 685 562 16 16 M12 18 VLA20 0571 N ZT  838.1 634 56 785 662 18 16 M12 φ18 VLA 20 0571 N  838.1 634 56 785 662 18 16 M12 18 VLA2N  950.1 734 56 885 762 18 18 M12 18 VLA 30 0571 N  1096 805 90 1016 845 30 30 M20 22 VLA2N  1046.1 834 56 985 862 20 20 M12 18 VLA 357155N  1198 905 90 1116 945 30 30 M20 22 VLA257194N ZT  1198.1 984 56 1135 1012 22 20 M12 φ18 VLA 257194N  1198.1 984 56 1035 1012 22 20 M12 18 VLA 301155N  1298 1N  1398 1105 90 1316 1145 42 42 M20 22 VLA 301355N  1498 1205 90 1416 1245 42 42 M20 22 VLA 301455N  1598 1305 90 1516 1345 48 48 M20 22

 

 model Overall Dimension Mounting Dimension
Da d H La Li n1 n2 φ1 φ2
mm mm mm
231.20.0400.013  504 304 56 455 332 10 12 M12 18
231.20.0400.503  504 304 56 455 332 10 24 M12 18
231.21.571.013  504 305 56 455 332 10 12 M12 18
231.20.0500.013  640.8 434 56 585 462 14 14 M12 18
231.20.0500.503  640.8 434 56 585 462 14 28 M12 18
231.20.0500.503  640.8 434 56 585 462 14 28 M12 φ18
231.21.571.013  640.8 435 56 585 462 14 14 M12 18
231.20.0600.013  742.8 534 56 685 562 16 16 M12 18
231.20.0600.503  742.8 534 56 685 562 16 32 M12 18
231.21.0675.013  742.8 535 56 685 562 16 16 M12 18
231.20.0700.013  838.8 634 56 785 662 18 16 M12 18
231.20.0700.503  838.8 634 56 785 662 18 32 M12 18
231.21.571.013  838.8 635 56 785 662 18 16 M12 18
231.20.0800.013  950.4 734 56 885 762 18 18 M12 18
231.20.0800.503  950.4 734 56 885 762 18 36 M12 18
231.21. 0571 .013  950.4 735 56 885 762 18 18 M12 18
281.30.0900.013  1096.2 805 90 1016 845 30 30 M20 22
281.30.0900.013  1096.2 805 90 1016 845 30 30 M20 φ22
281.30. 0571 .013  1096.2 807 90 1016 845 30 30 M20 22
231.20.0900.013  1046.4 834 56 985 862 20 20 M12 18
231.20.0900.503  1046.4 834 56 985 862 20 40 M12 18
231.21. 0571 .013  1046.4 835 56 985 862 20 20 M12 18
281.30.1000.013  1198 905 90 1116 945 30 30 M20 22
281.30.1075.013  1198 907 90 1116 945 30 30 M20 22
231.20.1000.013  1198.4 984 56 1135 1012 22 20 M12 18
231.20.1000.503  1198.4 984 56 1135 1012 22 40 M12 18
231.21.1075.013  1198.4 985 56 1135 1012 22 20 M12 18
281.30.1100.013  1298 1005 90 1216 1045 36 36 M20 22
281.30.1175.013  1298 1007 90 1216 1045 36 36 M20 22
281.30.1200.013  1398 1105 90 1316 1145 42 42 M20 22
281.30.1275.013  1398 1107 90 1316 1145 42 42 M20 22
281.30.1300.013  1498 1205 90 1416 1245 42 42 M20 22
281.30.1375.013  1498 1207 90 1416 1245 42 42 M20 22
281.30.1400.013  1598 1305 90 1516 1345 48 48 M20 22
281.30.1400.013  1598 1305 90 1516 1345 48 48 M20 φ22
281.30.1475.013  1598 1307 90 1516 1345 48 48 M20 22

 

 model Overall Dimension Mounting Dimension
Da d H La Li n1 n2 φ1 φ2
mm mm mm
E.505.20.00.C  504 304 56 455 332 10 12 M12 φ18
E.505.20.C  504 304 56 455 332 10 12 M12 φ18
E.650.20.C  640.8 434 56 585 462 14 14 M12 φ18
E.750.20.00.C  742.8 534 56 685 562 16 16 M12 φ18
E.850.20.00.C  838.8 634 56 785 662 18 16 M12 φ18
E.950.20.00.C  950.4 734 56 885 762 18 18 M12 φ18
E.1100.32.00.C  1098 805 90 1016 845 30 30 M20 φ22
E.1050.20.00.C  1046.4 834 56 985 862 20 20 M12 φ18
E.1200.32.00.C  1200 905 90 1116 945 30 30 M20 φ22
E.1200.20.00.C  1198.4 984 56 1135 1012 22 20 M12 φ18
E.1300.32.00.C  1300 1005 90 1216 1045 36 36 M20 φ22
E.1400.32.00.C  1400 1105 90 1316 1145 42 42 M20 φ22
E.1500.32.00.C  1500 1205 90 1416 1245 42 42 M20 φ22
E.1600.32.00.C  1600 1305 90 1516 1345 48 48 M20 φ22

Why choose CHINAMFG slewing bearings
A CHINAMFG in slewing bearing field, rich experience, can do design, produce, mounting guide
Small order accepted
SO certified company
Variorum models
7*24hours hotline to help you with your cranes
Strict quality control system to ensure quality for slewing bearing

LYHY Slewing Bearing Types
LYHY slewing bearings can be divided into the following types as per  their structures:
single row 4 point contact ball slewing bearing,
single row cross roller slewing bearing,
double row different ball diameter slewing bearing,
three row cylindrical roller slewing bearing and roller/ball combination slewing bearing.
And all these types of slewing bearings can be further divided into bearings without gears, bearings with external gears and bearings with internal gears.

Detailed description of these types slewing bearings

Single row 4 point contact ball slewing bearings
     This kind of slewing bearings can support high dynamic loads, transmitting axial and radial forces simultaneously as well as the resulting tilting moments. Applications of this kind of bearings are hoisting, mechanical handling and general mechanical engineering etc.
Single row cross roller slewing bearings
     This kind of bearings can support combinations of large radial force, medium axial force and tilting moment with small or zero clearance. Main applications of this kind of bearings are hoisting and mechanical handling and general mechanical engineering etc.
Double row different ball diameter slewing bearings
     This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Triple row cylindrical roller slewing bearings
     This kind of bearings has high load carrying capacity. Under same loads, this kind of bearings has much smaller diameters which can make the installation much compact, as different kinds of loads are supported by different races and rollers. Main applications of this kind of bearings are hoisting, mechanical handling, mining and materials handling, offshore technology and general mechanical engineering etc.
Roller/ball combination slewing bearings
     This kind of bearings can support high axial load and low tilting moments. Usually they are large diameter slewing bearings. Applications of this kind of bearings are mining and materials handling etc.

About CHINAMFG bearings
1.introduction:we are a manufacturer of slewing bearing since 1993, our factory occupies a area of 30000square meters with 4 workshop and 1 office building. 
2. Featured products: slewing bearing and slewing drive
3. Capital: Current is 1 million RMB, but we are increasing the capital to 10 million RMB
4. Workers: 40
5. Certificate: ISO9001:2008, 3.1 certificate, CCS certificate, Science and Technology Progress Award
6. Annual Exportation: 8million USD
7. Exported countries: (39)
Asia: India, Pakistan, Iran, Signore, Georgia, Malaysia, Vietnam, Thailand, Philippines, Israel, Korea, UAE, Sri Lanka, Saudi Arabia,
Europe: Turkey, Russia, Spain, Czech Republic, Italy, Poland, Slovakia, Bosnia and Herzegovina, Austria, France, Germany, Switzerland, Finland, Ukraine, UK
America: USA, Canada, Mexico, Brazil, Puerto Rico, Peru, Chile
Africa: South Africa, Egypt
Oceania: Australia

Production Process of CHINAMFG slewing bearings

Quality Control Process of CHINAMFG slewing bearings

LYHY Slewing Bearing Packing 
Bearing surface is covered with the anti-rust oil first; and then wrapped with the plastic film;
And then packed with kraft paper and professional belts;
At last, with wooden box totally at the outer packing to invoid the rust or the moist;
We can depend on the customers  demand to be packed;
 

Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints” Here under is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipment (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipment (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Packing machinery

Transportation:
All CHINAMFG slewing ring bearings can be usually delivered timely, usual production time is 15-50 days based on different slew bearings diameters, sometimes slew rings will be in stock.
Slewing bearings can be offered different delivery terms, such as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by different transport ways, by express (such as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.

INSTALLATION OF CHINAMFG SLEWING BEARINGS

Preparation:
Make sure that the model is correct and slewing bearing isn’t damaged during transportation.
2.  Check the appearance and rotational state of the bearing, such as rotational precision clearance, rotating flexibility, seals position, lubrication grease etc.
3.  The installation datum plane and bracket installing plane should be clean, grease, burr, paint and other foreign body should be wiped off.

Installation:

1. The screws in the installing plane should be fit with the mounting holes in the slewing bearing
2.  The slewing bearing has a soft zone marked with an “s” on the upper surface, when installing the bearing, it is important to ensure that this area is placed in a non-load or infrequent load zone.
3.  When the bearing is placed on the supporting frame work it is important to check the interface between these 2 surfaces. This check should be carried out with the insertion of feel gauges between the 2 surfaces. If a gap should exist then it is recommended to plane/resurface the effective area so as to remove the gap.
4.  Install slewing bearing with high strength screws, and choose appropriate strength bolts. All bolts are required to be tightened evenly. The sequence of this tightening process is shown in Pic. Welding of bearing is not allowed, in the event of welding any adjacent parts, heat transfer shall be avoided so as to cause the bearing to become deformed or change the hardness.
5.  After installation, the bearing should be rotated to check for smooth operation and any emission of unusual noise. If either of the aforementioned are noted, then the bearing should be adjusted to eliminate them. The teeth of the largest run-out are coated with green paint.

FAQ:

Q: Are LYHY BEARINGS trading company or manufacturer?
A: CHINAMFG BEARINGS is a professional manufacturer for slewing bearings, thin section bearings, ball bearings and rolling bearings

Q: How do LYHY BEARINGS control quality of their bearing?
A: LYHY BEARINGS has established strict quality control systems, all the products and services has passed ISO9001-2008 Quality Certificate and third party such as CCS, LR,ABS,BV

Q: What is the MOQ?
A: MOQ is 1pc, pls message us for detailed information.

Q: How about the package for CHINAMFG bearings?
A: Standard Industrial packing in general condition (Plastic tube+ professional plastic belts+ plywood case). Accept design package when OEM.

Q: How long is the production time?
A: It takes about 7-40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have your own forwarder.

Q: Is sample available?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable for LYHY BEARINGS. We can design as per your requirements and use your own LOGO and package design.

 

Standard or Nonstandard: Standard
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Four Point Contact Ball
Material: Bearing Steel
Type: External Gear
Samples:
US$ 500/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ring gear

What are the benefits of using a ring gear mechanism?

A ring gear mechanism, also known as an annular gear mechanism, offers several benefits in various applications. Here’s a detailed explanation of the advantages of using a ring gear mechanism:

  • Compact Design: Ring gears provide a compact design solution due to their annular shape. They can be integrated into tight spaces and offer a high gear ratio within a small footprint. This compactness is particularly advantageous in applications where space is limited or where lightweight and streamlined designs are required.
  • Efficient Power Transmission: Ring gears facilitate efficient power transmission. The meshing of the gear teeth ensures a reliable transfer of torque and rotational motion. This efficiency is crucial in applications that require the smooth and precise transmission of power, such as automotive transmissions, industrial machinery, and robotics.
  • Load Distribution: The circular shape of the ring gear allows for uniform load distribution across its circumference. This helps distribute the transmitted forces and reduces localized stress concentrations. As a result, ring gears can handle higher loads and provide improved durability and longevity compared to other gear mechanisms.
  • Multiple Meshing Points: Ring gears typically have multiple meshing points with other gears, such as pinion gears or planetary gears. This distributed meshing enables efficient load sharing and helps distribute the torque across multiple points, reducing wear and enhancing the overall gear system’s performance and reliability.
  • Versatile Applications: Ring gears find wide application across various industries and systems, including automotive, aerospace, industrial machinery, robotics, power generation, and more. Their versatility stems from the ability to configure ring gears in different types, such as external, internal, helical, or bevel, to suit specific application requirements.
  • Precision and Smooth Operation: Ring gears provide precise and smooth operation due to the continuous contact between the gear teeth during rotation. This results in reduced noise, vibration, and backlash, making ring gears suitable for applications where precise motion control, quiet operation, and high positional accuracy are critical.
  • Redundancy and Fault Tolerance: In certain applications, such as gearboxes, the ring gear mechanism can offer redundancy and fault tolerance. If one gear or gear stage fails, the remaining gears can continue to transmit power, allowing the system to operate partially or with reduced performance until maintenance or repair can be performed.

The benefits of using a ring gear mechanism make it a preferred choice in many mechanical systems where compactness, efficient power transmission, load distribution, and precision are essential. By leveraging these advantages, engineers and designers can achieve improved performance, reliability, and overall system efficiency in their applications.

ring gear

What are the advantages and disadvantages of using ring gears?

Using ring gears in various applications offers several advantages and disadvantages. Here’s a detailed explanation of the advantages and disadvantages of using ring gears:

Advantages of Using Ring Gears:

  • Efficient Power Transmission: Ring gears provide efficient power transmission by transmitting rotational energy and torque between components. They enable smooth and reliable transfer of power, resulting in efficient operation of the system.
  • High Torque Capacity: Ring gears are designed to handle high torque loads. Their robust construction and large contact area between gear teeth allow for the transmission of substantial amounts of torque, making them suitable for applications that require high torque capacity.
  • Compact Design: Ring gears have a compact design compared to other gear types, such as spur gears or helical gears. This compactness allows for space-saving installations, making ring gears suitable for applications with limited space or tight packaging requirements.
  • Load Distribution: Ring gears distribute loads evenly across the gear system, preventing localized overloading and reducing the risk of premature component failure. They help ensure balanced operation and optimal load sharing among gears, resulting in improved system reliability.
  • Versatility: Ring gears are versatile and can be used in a wide range of applications across various industries. They are found in automotive transmissions, industrial gearboxes, wind turbines, robotics, printing presses, and many other machinery and equipment types.
  • Smooth and Quiet Operation: Well-designed ring gears with proper tooth profiles and tight tolerances can provide smooth and quiet operation. They minimize noise and vibrations, enhancing the overall user experience and reducing the need for additional noise reduction measures.

Disadvantages of Using Ring Gears:

  • Complex Manufacturing: The manufacturing process for ring gears can be more complex compared to simpler gear types. The intricate geometry and tooth profiles of ring gears require precise machining and specialized manufacturing techniques, which may increase production costs.
  • Higher Friction and Wear: Ring gears can generate higher levels of friction compared to other gear types. The sliding motion of the gear teeth during engagement can result in increased wear and heat generation. Proper lubrication and maintenance are necessary to minimize friction and ensure long-term durability.
  • Backlash: Ring gears may exhibit a certain amount of backlash, which is the play or clearance between gear teeth when they change direction. Backlash can impact the accuracy and precision of the gear system, especially in applications that require high positioning or synchronization requirements. Minimizing backlash requires careful design and precise manufacturing.
  • Complex Gear Meshing: Ring gears require proper gear meshing with other gears to ensure efficient power transmission. Achieving optimal gear meshing can be more challenging due to the curved profile of the ring gear. It requires careful design considerations and precise alignment to ensure smooth and reliable operation.
  • Cost: Ring gears can be more expensive than simpler gear types due to their complex manufacturing process and specialized design requirements. The higher cost may be a consideration in applications with strict budget constraints or where alternative gear types can fulfill the required functionality.

It’s important to consider the specific requirements and constraints of the application when deciding whether to use ring gears. While they offer advantages such as efficient power transmission, high torque capacity, and compact design, they also have disadvantages related to manufacturing complexity, friction, backlash, and cost. Proper engineering analysis and evaluation can help determine the suitability of ring gears for a given application.

ring gear

What industries commonly use ring gears?

Ring gears, also known as annular gears or internal gears, are utilized in various industries due to their unique characteristics and capabilities. Here’s a detailed explanation of the industries that commonly use ring gears:

  • Automotive Industry: Ring gears are extensively used in the automotive industry. They are a crucial component in automotive transmissions, differential systems, and steering mechanisms. Ring gears help transmit torque and rotational motion, enabling smooth shifting of gears and efficient power transfer in vehicles.
  • Aerospace Industry: The aerospace industry relies on ring gears for various applications. They are used in aircraft engines, landing gear systems, actuation mechanisms, and aerospace gearboxes. Ring gears provide reliable and precise motion control in critical aerospace systems.
  • Industrial Machinery: Ring gears find wide applications in industrial machinery, including heavy machinery, manufacturing equipment, and power generation systems. They are used in gearboxes, speed reducers, and other power transmission systems. Ring gears enable efficient torque transfer and motion control in industrial settings.
  • Robotics: Ring gears play a significant role in robotics and automation. They are employed in robotic joints, manipulator arms, and motion control systems. Ring gears provide precise and smooth rotation, allowing robots to perform intricate tasks with accuracy and repeatability.
  • Power Generation: Ring gears are utilized in power generation equipment such as wind turbines, hydroelectric generators, and steam turbines. They are part of the gearbox systems that convert the rotational motion of the turbine blades into electrical energy. Ring gears enable efficient power transmission and adaptability to varying load conditions.
  • Heavy Equipment and Construction: The heavy equipment and construction industry extensively use ring gears in equipment like excavators, cranes, loaders, and bulldozers. They are vital for the operation of the drivetrain and hydraulic systems, enabling controlled movement and power transfer in demanding construction environments.
  • Marine Industry: Ring gears are employed in various marine applications, including ship propulsion systems, marine winches, and steering mechanisms. They provide reliable torque transfer and motion control in marine vessels, ensuring efficient navigation and maneuverability.
  • Renewable Energy: Ring gears are utilized in renewable energy systems such as solar tracking systems and tidal power generation. They enable the precise tracking of solar panels and the efficient conversion of tidal forces into electrical energy.

The diverse applications of ring gears across these industries highlight their versatility and importance in various mechanical systems. The specific design, size, and material selection of ring gears may vary depending on the industry requirements and operating conditions.

China wholesaler Light Type Slewing Ring Bearing Slewing Gear231.20.0900.013 wholesaler China wholesaler Light Type Slewing Ring Bearing Slewing Gear231.20.0900.013 wholesaler
editor by CX 2023-10-17