Product Description


CHINAMFG bearings can manufacture imported brand slewing ring
Modle: 32-32 3150/2-5710

1. Type: single row ball slewing ring
2. Bore diameter: 2868mm
3. Outside diameter:3320mm
4. Height: 181mm
5. Material: 42CrMo
6. Precision: P0. P6. P5.
7. Cage/retainer: Nylon or aluminum
8. Gear type:internal gear

Model Da di H
[mm] [mm] [mm]
external toothed      
31-32 2240/2-5710 2552.4 2571 181
31-32 2500/2-5710 2822.4 2282 181
31-32 2800/2-5710 3136 2582 181
31-32 3150/2-5710 3476 2932 181
31-32 3550/2-5710 3889.6 3332 181
31-32 4000/2- 0571 0 4351.6 3782 181
31-25 1800/2-06800 2076.8 1619 147
31-25 2000/2-06810 2268.8 1819 147
31-25 2240/2-06820 2516.4 2059 147
31-25 2500/2-06830 2786.4 2319 147
31-25 2800/2-06840 3096 2619 147
31-20 1250/2-06700 1461.6 1103 132
31-20 1400/2-06710 1635.2 1253 132
31-20 1600/2-06720 1831.2 1453 132
31-20 1800/2-06730 2044.8 1653 132
31-20 2000/2-06740 2236.8 1853 132
       
internal toothed      
32-32 2240/2-5710 2458 1908 181
32-32 2500/2-5710 2718 2178 181
32-32 2800/2- 0571 0 3018 2460 181
32-32 3150/2-5710 3368 2820 181
32-32 3550/2-07400 3768 3190 181
32-32 4000/2-07410 4218 3652 181
32-25 1800/2-06850 1981 1520 147
32-25 2000/2-06860 2181 1728 147
32-25 2240/2-06870 2421 1944 147
32-25 2500/2-06880 2681 2214 147
32-25 2800/2-06890 2981 2500 147
32-20 1250/2-06750 1397 1032 132
32-20 1400/2-06760 1547 1162 132
32-20 1600/2-06770 1747 1372 132
32-20 1800/2-06780 1947 1552 132
32-20 2000/2-06790 2147 1760 132

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.

Slewing Bearing 
1. Introduction of CHINAMFG slewing ring bearings
CHINAMFG is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball slewing ring bearings, roller slewing bearings and precision slewing ring bearings as per customer’s different technical requirements.
Slewing ring bearing is also called slewing ring, slewing bearing, turntable bearing, and rotary bearing. 
Slewing ring bearing is a bearing that able to bear axial load, radial load and overturning torque. Under normal circumstances, slewing ring bearings have their own mounting holes, lubricant holes and seal holes, to meet the different needs of the various host working under the various conditions; 
On the other hand, slewing ring bearing itself has characteristics of compact structure, guide rotating convenient, easy to install and maintaining easily. 
2. Structure
2.1 Slewing ring bearings have different types as per different structures, here below is what we offering now: 
Single row ball slewing ring bearings 
Double row ball slewing ring bearings
Crossed roller slewing ring bearings 
Triple row roller slewing ring bearings 
Flange slewing ring bearings
2.2 The above slewing ring bearings can also be divided into 3 different types as per different transmissions:
Slewing ring bearings with no gear
Slewing ring bearings with external gear
Slewing ring bearings with internal gear

 
3. Features: 
Slewing ring bearings have more features: compact structure, reliable guide, simple installation, and easily maintenance
 
4. Application: 
Slewing ring bearings can be widely used in lifting & transport machinery, mining machinery, construction machinery, port hoisting machinery, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, steel plant, electronic power plant, wind power generator, other construction and industry machines or equipments and other large rotary device.
 
 
Single row ball slewing ring bearing
1. Introduction of CHINAMFG single row ball slewing bearings
CHINAMFG is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer’s different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
The single row ball slewing ring bearing is composed of 2 seat-rings. The balls contact with the circular race at 4 points, via which the axial force, radial force and resultant moment may be born simultaneously.
 
2. Structure
 
Slewing ring bearings have different types as per different structures, here below is what we offering now:
Single row ball slewing bearing has 3 different types:
Single row ball slewing bearing with no gear 
Single row ball slewing bearing with external gear 
Single row ball slewing bearing with internal gear 
 
3. Features
Single row ball slewing ring bearings have following features:
Compact in structure and light in weight.
 
4. Application: 
Single row ball slewing ring bearings are widely used in slewing conveyers, welding arm and positioned, medium duty cranes, excavators and other engineering machines
 
 
Double row ball slewing ring bearing
1. Introduction of CHINAMFG double row ball slewing bearings 
CHINAMFG is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer’s different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
The double row ball slewing bearing has 3 seat-rings. The steel balls and the retainers may be directly arranged into the upper and lower racers. Two rows of steel balls with different diameters are fitted according to the force. Such open type fitting is extraordinary convenient, the loading angels at upper and lower races are 90°which can carry both of the axial force and capsizing moment. When the radial force is larger than 1/10 of the axial force, the races should be newly designed.
 
2. Structure:
Double row ball slewing bearing has 3 different types:
Double row ball slewing bearing with no gear
Double row ball slewing bearing with external gear 
Double row ball slewing bearing with internal gear 
 
3. Features:
Double row ball slewing ring bearings have following features:
Larger dimension of axial and radial and compact structure.
 
4. Application:
Double row ball slewing ring bearings are widely used in Tower cranes which require working radius over medium range, auto crane and loading (unloading) machinery.
 
 
Crossed roller slewing ring bearing
1. Introduction of CHINAMFG crossed roller slewing bearings
CHINAMFG is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer’s different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
With the cross roller Ring, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90° groove, separated from each other by a spacer retainer.  This design allows just 1 bearing to receive loads in all directions including, radial, axial and moment loads. Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the inner and outer rings, it is optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, medical equipment, measuring instruments and IC manufacturing machines.
 
2. Structure:
Cross roller slewing bearing has 3 different types:
Cross roller ball slewing bearing with no gear 
Cross roller ball slewing bearing with external gear 
Cross roller ball slewing bearing with internal gear 
 
3. Features
Cross roller slewing ring bearings have following features:
1. High precision: cross roller bearings can be made high precision bearings, at P4, P2.
2. High rigidity: These series roller bearings are with preload.
3. High load capacity: This series roller bearing can support axial load, radial load, and tilting load.
4. Small volume: this series roller bearing can save space for the machine.
 
4. Application 
Cross roller slewing rings are widely applied in the precision rotary table, rotary joint of manipulator, medical equipment, and measuring instrument etc
 
 
Triple row roller slewing ring bearing 
1. Introduction of CHINAMFG triple row roller slewing bearings 
CHINAMFG is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer’s different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
Three row roller slewing ring bearing has 3 seat-rings, which separate the upper, lower and radial raceway, via which the load of each row of the rollers may be specified. Thus it can carry different load simultaneously and its load capacity is the largest 1 of the 4 types
 
2. Structure:
Triple row roller slewing bearing has 3 different types:
Triple row roller slewing bearing with no gear
Triple row roller slewing bearing with external gear 
Triple row roller slewing bearing with internal gear 
 
3. Features   
Triple row roller slewing ring bearings have following features:
Larger axial and radial dimension, compact structure
 
4. Application
Triple row roller slewing rings are widely used in heavy-duty machines which require large working radius, such as bucket-wheel excavators, wheeled cranes, ship cranes, ladle turret, auto cranes etc.
 
 
Flange Slewing Bearing
1. Introduction of CHINAMFG flange slewing bearings
CHINAMFG is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer’s different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
Flange slewing bearing is a special slewing ring bearing, it can have 1 flange in the outer ring, or 1 flange in the inner ring, even it can have 1 flange in both inner ring and outer ring.
 
2. Structure:
Flange slewing bearing has 3 different types:
Flange slewing bearing with no gear
Flange slewing bearing with external gear 
Flange slewing bearing with internal gear 
 
3. Features   
Flange slewing bearings have following features:
Compact structure and easily installment.
 
4. Application
Flange slewing bearings are widely used in tow truck, and other applications are the same as slewing bearings, such as lifting & transport machinery, mining machinery, construction machinery, excavator, concrete machine, paper machine, plastic and rubber machine and steel plant.
 
 
Excavator Slewing Bearing
1. Introduction of CHINAMFG excavator slewing bearings
CHINAMFG is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer’s different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
Excavator slewing bearing is a special slewing ring bearing as per its applications. And it is a very important part for excavators, we can supply excavator slewing bearings for both second-hand excavators for maintenance and new excavators.
 
2. Structure:
Excavator slewing bearing are usually made as per single row ball slewing bearing structure, and most of them are internal gear types, but some are external gear types.
 
3. Features   
Excavator slewing bearings have familiar features as single row ball slewing ring bearings.
Compact structure, light weight and easily installment.
 
4. Application
Excavator slewing bearings are widely used for all brands of excavators

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Standard or Nonstandard: Standard
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Four Point Contact Ball
Material: 42CrMo
Type: External Gear
Samples:
US$ 20000/Piece
1 Piece(Min.Order)

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Customization:
Available

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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.

Can slewing rings be customized for specific industries or machinery configurations?

Yes, slewing rings can be customized to meet the specific requirements of different industries or machinery configurations. Customization allows slewing rings to be tailored to suit unique applications, operating conditions, and integration needs. Here’s a detailed explanation of how slewing rings can be customized:

Slewing ring manufacturers understand that different industries and machinery configurations may have specific demands that require customized solutions. By working closely with customers and understanding their requirements, slewing ring manufacturers can offer the following customization options:

  • Dimensions and Load Capacity: Slewing rings can be customized in terms of their dimensions, such as outer diameter, inner diameter, and height, to fit specific space constraints or load requirements. This ensures that the slewing ring can be seamlessly integrated into the machinery or equipment.
  • Mounting Interfaces: Customized slewing rings can be designed with specific mounting interfaces to match the existing or planned machinery configuration. This facilitates easy installation and compatibility with other components.
  • Gear Specifications: For applications that require integrated gears, slewing rings can be customized with specific gear specifications. This includes the number of teeth, module, pressure angle, gear quality, and backlash requirements. Customized gear specifications ensure smooth and precise motion control.
  • Sealing Systems: Slewing rings can be customized with sealing systems to provide protection against environmental factors such as dust, water, and contaminants. Different sealing options, such as labyrinth seals, lip seals, or combination seals, can be tailored to meet the specific requirements of the application.
  • Materials and Coatings: Customization allows slewing rings to be manufactured using different materials and surface coatings to enhance their performance in specific industries or operating conditions. Materials such as stainless steel, heat-treated steels, or corrosion-resistant alloys can be chosen based on factors like temperature, corrosion resistance, or weight considerations.
  • Specialized Features: Depending on the industry or application, slewing rings can be customized with specialized features. This may include integrated sensors for position feedback, temperature sensors, or additional functionalities like locking mechanisms, lubrication systems, or anti-corrosion treatments.

The ability to customize slewing rings for specific industries or machinery configurations ensures that the resulting solution is optimized for performance, reliability, and longevity in the intended application. Customization allows for a precise match between the slewing ring and the machinery, considering factors such as space constraints, load requirements, environmental conditions, and integration needs.

It is important to work closely with slewing ring manufacturers or suppliers who have expertise in customization and can provide engineering support to develop the most suitable solution for the specific industry or machinery configuration. By leveraging customization options, industries can benefit from slewing rings that are specifically designed to meet their unique requirements and optimize the performance of their machinery or equipment.

What safety considerations should be taken into account when using slewing rings in industrial settings?

When using slewing rings in industrial settings, several safety considerations should be taken into account to ensure the well-being of personnel, equipment, and the surrounding environment. Here’s a detailed explanation of the safety considerations when using slewing rings:

  • Proper Training and Familiarity: Personnel involved in the operation, maintenance, and servicing of systems equipped with slewing rings should receive proper training and be familiar with the specific procedures and safety guidelines related to slewing ring usage. This includes understanding the system’s limitations, recommended operating parameters, and emergency procedures.
  • Safe Working Distance: Establishing a safe working distance is crucial when working with rotating systems that incorporate slewing rings. Adequate barriers, guardrails, or safety signs should be in place to prevent unintended access to hazardous areas around the slewing ring. Personnel should be aware of the safe working zones and maintain a safe distance from the rotating components.
  • Lockout/Tagout Procedures: Before performing any maintenance or repair tasks on systems with slewing rings, proper lockout/tagout procedures should be followed to ensure the equipment is de-energized and cannot be accidentally started. This prevents unexpected rotation of the slewing ring during maintenance activities, reducing the risk of entanglement or injury.
  • Personal Protective Equipment (PPE): Personnel working with or around slewing rings should wear appropriate personal protective equipment, such as safety helmets, protective eyewear, gloves, and safety footwear. The specific PPE requirements may vary depending on the nature of the industrial setting and potential hazards associated with slewing ring operation.
  • Regular Inspection and Maintenance: Routine inspection and maintenance of slewing rings are essential for identifying any signs of wear, damage, or misalignment. Regularly scheduled inspections help detect potential issues early on and allow for timely repairs or replacements, reducing the risk of sudden failures or accidents during operation.
  • Proper Lubrication: Adequate lubrication of slewing rings is crucial for their optimal performance and longevity. Lubrication intervals and methods recommended by the manufacturer should be followed to ensure proper lubrication. Improper or inadequate lubrication can lead to increased friction, overheating, accelerated wear, and potential failure of the slewing ring.
  • Environmental Considerations: The environmental conditions in which slewing rings operate should be taken into account for safety purposes. Factors such as temperature extremes, moisture, dust, or corrosive substances can affect the performance and durability of slewing rings. Proper sealing, protective coatings, and environmental controls should be implemented to mitigate potential hazards and ensure safe operation.
  • Emergency Stop and Shutdown: Rotating systems equipped with slewing rings should be equipped with emergency stop buttons or other means of immediate shutdown. Personnel should be trained on how to use these emergency stop features effectively and be aware of the emergency shutdown procedure to quickly and safely halt the rotation of the slewing ring in case of an emergency.
  • Compliance with Regulations and Standards: It is essential to comply with relevant safety regulations, standards, and industry guidelines when using slewing rings in industrial settings. These regulations may vary depending on the region and industry-specific requirements. Adhering to these guidelines helps ensure the safety and compliance of the equipment and protects against potential hazards.

In summary, safety considerations when using slewing rings in industrial settings include proper training, maintaining safe working distances, following lockout/tagout procedures, wearing appropriate PPE, conducting regular inspections and maintenance, ensuring proper lubrication, considering environmental factors, implementing emergency stop measures, and complying with safety regulations. By addressing these safety considerations, the risks associated with slewing ring operation can be minimized, promoting a safe working environment and preventing accidents or injuries.

China manufacturer 3150mm Slewing Ring for Stackers 32-32 3150/2-07390  China manufacturer 3150mm Slewing Ring for Stackers 32-32 3150/2-07390
editor by Dream 2024-05-14