China OEM Light Type Slewing Ring Bearing Slewing Gear231.20.0900.013 hypoid bevel gear

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 is the purpose of using ring gears in machinery?

Ring gears serve multiple purposes and offer various advantages when used in machinery. Here’s a detailed explanation of the purpose of using ring gears:

  • Power Transmission: One of the primary purposes of ring gears in machinery is to facilitate power transmission. Ring gears, along with other meshing gears, transmit torque and rotational motion from the driving gear to the driven components or systems. They enable the transfer of power from a power source to various parts of the machinery, driving the movement and operation of different mechanisms and processes.
  • Gear Ratio Control: Ring gears allow for precise control over the gear ratio in machinery. By adjusting the size of the ring gear and its meshing gears, different gear ratios can be achieved. Gear ratios determine the relationship between the rotational speeds and torques of the driving and driven gears. This ability to control the gear ratio enables machinery to operate at desired speeds, optimize torque output, and adapt to specific application requirements.
  • Mechanical Advantage: Ring gears provide a mechanical advantage in machinery. By leveraging the gear ratio control mentioned above, ring gears can amplify or reduce the torque output of the power source. This mechanical advantage allows machinery to generate higher forces or torques than the original power source alone. It enables the machinery to handle heavy loads, perform tasks requiring significant force, and enhance overall operational efficiency.
  • Load Distribution: Ring gears contribute to load distribution within machinery. The meshing teeth of the ring gear engage with multiple teeth of other gears, distributing the transmitted loads across these meshing points. This load distribution helps prevent excessive stress concentration on specific gear teeth, ensuring even wear and reducing the risk of gear failure. By distributing the load, ring gears enhance the overall durability and reliability of the machinery.
  • Motion Control: Ring gears play a crucial role in motion control within machinery. By transmitting rotational motion, ring gears enable precise movement and synchronization of various components and mechanisms. They ensure that different parts of the machinery operate in a coordinated manner, allowing for smooth and controlled motion. Ring gears contribute to accurate positioning, speed regulation, and overall motion precision in machinery.
  • Compact Design: Ring gears offer a compact design solution. Due to their annular shape, they can be integrated into machinery with limited space. The compactness of ring gears is particularly beneficial in applications where space constraints are a concern. Their small footprint allows for efficient use of available space, enabling the design of more compact and lightweight machinery without sacrificing power transmission capabilities.
  • Versatile Applications: Ring gears find wide applications across various industries and machinery types. They are used in automotive transmissions, industrial machinery, robotics, aerospace systems, power generation equipment, and more. The versatility of ring gears stems from the ability to configure them in different types, such as external or internal ring gears, helical gears, or bevel gears. This versatility makes ring gears adaptable to a wide range of machinery designs and requirements.

By serving these purposes, ring gears contribute to the efficient and reliable operation of machinery. They enable power transmission, gear ratio control, mechanical advantage, load distribution, motion control, and compact design, making them essential components in various mechanical systems.

ring gear

Are ring gears suitable for high-torque applications?

Ring gears are indeed suitable for high-torque applications. Here’s a detailed explanation of why ring gears are suitable for high-torque applications:

Ring gears are designed to handle high torque loads and are commonly used in various applications that require substantial torque transmission. Here are the reasons why ring gears are well-suited for high-torque applications:

  • Robust Construction: Ring gears are typically constructed with robust materials, such as hardened steel or other high-strength alloys. This construction provides the necessary strength, durability, and resistance to withstand high torque forces without deformation or failure.
  • Large Contact Area: Ring gears have a large contact area between their gear teeth, which allows for efficient power transmission and load distribution. The larger contact area enables the ring gear to transmit higher torque without experiencing excessive stress concentrations or localized overloading.
  • Optimized Tooth Geometry: The tooth geometry of ring gears is designed to handle high torque. The shape and profile of the gear teeth are optimized to distribute the torque load evenly, minimizing stress concentrations and enhancing the gear’s ability to transmit higher torque without premature wear or failure.
  • Multiple Gear Engagements: Ring gears often engage with multiple gears or pinions, which further enhances their torque capacity. The engagement of multiple gears allows for load sharing, distributing the torque across multiple contact points and reducing the strain on individual gear teeth.
  • Customizable Gear Ratios: Ring gears can be designed with various gear ratios to meet specific torque requirements. By adjusting the tooth count or diameter of the ring gear and mating gears, the gear system can be optimized for high torque applications while maintaining the desired speed or rotational characteristics.
  • Used in Heavy-Duty Applications: Ring gears are widely used in heavy-duty applications that demand high torque transmission. Examples include automotive differentials, industrial gearboxes, mining equipment, construction machinery, and wind turbines. These applications rely on ring gears to effectively transmit and handle the high torque generated by powerful engines, motors, or turbines.

It’s important to note that while ring gears are suitable for high-torque applications, proper engineering analysis and selection should be carried out to ensure that the specific design, material, and size of the ring gear are appropriate for the intended torque requirements. Factors such as gear tooth strength, gear geometry, material properties, lubrication, and operating conditions should be carefully considered to ensure reliable and efficient performance in high-torque applications.

ring gear

What are the applications of ring gears?

Ring gears, also known as annular gears or internal gears, have a wide range of applications across various industries and mechanical systems. Here’s a detailed explanation of the applications of ring gears:

Ring gears are commonly used in numerous applications where rotational motion, torque transmission, and load distribution are essential. The unique design and characteristics of ring gears make them suitable for a variety of mechanical systems. Here are some common applications of ring gears:

  • Automotive Transmissions: Ring gears are extensively used in automotive transmissions, particularly in automatic and manual transmissions. They are part of the gear train that transfers rotational motion and torque from the engine to the wheels. Ring gears in automotive applications are typically large in size and designed to handle high torque loads.
  • Differential Systems: Ring gears play a crucial role in differential systems found in vehicles. The differential assembly allows the wheels on an axle to rotate at different speeds while distributing torque evenly. Ring gears form an integral part of the differential assembly, enabling torque transfer and speed differentiation between the drive wheels.
  • Planetary Gear Systems: Ring gears are a fundamental component in planetary gear systems, which are widely used in various applications. Planetary gear systems consist of a central sun gear, planet gears, and a ring gear. The ring gear serves as the outer ring that meshes with the planet gears and the sun gear. Planetary gear systems offer high gear ratios, compactness, and versatility, making them suitable for applications such as automotive transmissions, industrial machinery, and aerospace systems.
  • Industrial Machinery: Ring gears find extensive use in industrial machinery for power transmission, motion control, and speed regulation. They are employed in equipment such as gearboxes, speed reducers, hoists, conveyors, and rotary tables. Ring gears enable efficient torque transmission, precise motion control, and load distribution in these industrial applications.
  • Robotics and Automation: Ring gears are utilized in robotics and automation systems for precise motion control and synchronization. They can be found in robotic arms, automated assembly lines, CNC machines, and other robotic applications where accurate positioning and precise motion are critical. Ring gears provide the necessary torque transmission and gear reduction required for precise robotic movements.
  • Power Generation: Ring gears are used in power generation equipment, such as wind turbines and hydroelectric generators. They form part of the gearboxes that convert the rotational motion of the turbine or generator rotor into electrical energy. Ring gears in power generation applications need to handle high torque loads, operate reliably, and provide efficient power transmission.
  • Heavy Machinery and Construction Equipment: Ring gears are employed in heavy machinery and construction equipment, including excavators, cranes, mining equipment, and agricultural machinery. They facilitate the transmission of power and torque for various functions, such as lifting, digging, and material handling. Ring gears in these applications are designed to withstand high loads, rugged environments, and demanding operating conditions.

These are just a few examples of the applications of ring gears. Their versatility, load-carrying capacity, compact design, and ability to achieve high gear ratios make them suitable for a wide range of mechanical systems across industries.

The specific design, size, and material selection of ring gears may vary depending on the application requirements, operating conditions, and performance specifications.

China OEM Light Type Slewing Ring Bearing Slewing Gear231.20.0900.013 hypoid bevel gearChina OEM Light Type Slewing Ring Bearing Slewing Gear231.20.0900.013 hypoid bevel gear
editor by CX 2023-10-16