Product Description


Details for Crossed Roller slewing ring 162.20.0630.890.11.1503

Model: 162.20.0630.890.11.1503
ID: 496MM
OD: 722MM
H: 62MM
M=8
Z=63
Holes in oute ring: 20-φ 17.5
Holes in inner ring: 20-φ 117.5
W. T.: 75KG, more details, please contact us…

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

1. Introduction of CHINAMFG single row 4 point contact ball slewing bearing
LYHY 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.

2. Structure of CHINAMFG slewing bearings
Slewing ring bearings have different types as per different structures:
Single row ball slewing bearings
Double row ball slewing bearings
Crossed roller slewing bearings
Triple row roller slewing bearings
Flange slewing bearings

3. 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

4. Packaging Details for large diameter slewing bearing with pinion
1). Bearing surface is covered with the anti-rust oil first; And then wrapped with the plastic film;
2). And then packed with Kraft paper and professional belts;
3). At last, with wooden box totally at the outer packing to invoid the rust or the moist;
4). We can depend on the customers demand to be packed;

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.

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

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.

5. We can manufacture replacement Slewing ring bearing for models:
Bearings with internal gear
162.16.0400.890.11.1503
162.16.0400.891.21.1503
162.16.0450.890.11.1503
162.16.0450.891.21.1503
162.16.0560.890.11.1503
162.16.0560.891.21.1503
162.16.0630.890.11.1503
162.16.0630.891.21.1503
162.20.0450.890.11.1503
162.20.0450.891.21.1503
162.20.0560.890.11.1503
162.20.0560.891.21.1503
162.20.0630.890.11.1503
162.20.0630.891.21.1503
162.20.571.890.11.1503
162.20.571.891.21.1503
162.25.0764.890.11.1503
162.25.0764.891.21.1503
162.25. 0571 .890.11.1503
162.25. 0571 .891.21.1503
162.25.0980.890.11.1503
162.25.0980.891.21.1503
162.25.1077.890.11.1503
162.25.1077.891.21.1503
162.25.1120.890.11.1503
162.25.1120.891.21.1503
162.25.1180.890.11.1503
162.25.1180.891.21.1503
162.25.1250.890.11.1503
162.25.1250.891.21.1503
162.25.1320.890.11.1503
162.25.1320.891.21.1503
162.28.1400.890.11.1503
162.28.1400.891.21.1503
162.28.1500.890.11.1503
162.28.1500.891.21.1503
162.28.1600.890.11.1503
162.28.1600.891.21.1503
162.28.1700.890.11.1503
162.28.1700.891.21.1503
162.36.1700.890.11.1503
162.36.1700.891.41.1503
162.36.1800.890.11.1503
162.36.1800.891.41.1503
162.36.1900.890.11.1503
162.36.1900.891.41.1503
162.36.2000.890.11.1503
162.36.2000.891.41.1503
162.40.2000.890.11.1503
162.40.2000.891.41.1503
162.40.2128.890.11.1503
162.40.2128.891.41.1503
162.40.2240.890.11.1503
162.40.2240.891.41.1503
162.40.2368.890.11.1503
162.40.2368.891.41.1503
162.45.2240.890.11.1503
162.45.2240.891.41.1503
162.45.2366.890.11.1503
162.45.2366.891.41.1503
162.45.2510.890.11.1503
162.45.2510.891.41.1503
162.45.2654.890.11.1503
162.45.2654.891.41.1503
162.50.2800.891.41.1503
162.50.2660.891.41.1503
162.50.2800.891.41.1503
162.50.3000.891.41.1503

1. Product Series 1. Single-row Four-point Contact Slewing Bearing
2. Single-row Crossed Roller Slewing bearing
3. Double-row Four-point Contact Slewing bearing
4. Three-row Roller Slewing Bearing
5. Light type slewing bearing
6. Size range Outside Diameter: 300mm–6000mm
7. Material 42 CrMo, 50Mn
8. Minimum order 1 piece
9. Feature Low noise and low vibration
10. Certificates ISO9001: 2008

162.16.0400.890.11.1503 162.16.0400.891.21.1503 162.16.0450.890.11.1503
162.16.0450.891.21.1503 162.16.0560.890.11.1503 162.16.0560.891.21.1503
162.16.0630.890.11.1503 162.16.0630.891.21.1503 162.20.0450.890.11.1503
162.20.0450.891.21.1503 162.20.0560.890.11.1503 162.20.0560.891.21.1503
162.20.0630.890.11.1503 162.20.0630.891.21.1503 162.20.571.890.11.1503
162.20.571.891.21.1503 162.25.0764.890.11.1503 162.25.0764.891.21.1503
162.25. 0571 .890.11.1503 162.25. 0571 .891.21.1503 162.25.0980.890.11.1503
162.25.0980.891.21.1503 162.25.1077.890.11.1503 162.25.1077.891.21.1503
162.25.1120.890.11.1503 162.25.1120.891.21.1503 162.25.1180.890.11.1503
162.25.1180.891.21.1503 162.25.1250.890.11.1503 162.25.1250.891.21.1503
162.25.1320.890.11.1503 162.25.1320.891.21.1503 162.28.1400.890.11.1503
162.28.1400.891.21.1503 162.28.1500.890.11.1503 162.28.1500.891.21.1503
162.28.1600.890.11.1503 162.28.1600.891.21.1503 162.28.1700.890.11.1503
162.28.1700.891.21.1503 162.36.1700.890.11.1503 162.36.1700.891.41.1503
162.36.1800.890.11.1503 162.36.1800.891.41.1503 162.36.1900.890.11.1503
162.36.1900.891.41.1503 162.36.2000.890.11.1503 162.36.2000.891.41.1503
162.40.2000.890.11.1503 162.40.2000.891.41.1503 162.40.2128.890.11.1503
162.40.2128.891.41.1503 162.40.2240.890.11.1503 162.40.2240.891.41.1503
162.40.2368.890.11.1503 162.40.2368.891.41.1503 162.45.2240.890.11.1503
162.45.2240.891.41.1503 162.45.2366.890.11.1503 162.45.2366.891.41.1503
162.45.2510.890.11.1503 162.45.2510.891.41.1503 162.45.2654.890.11.1503
162.45.2654.891.41.1503 162.50.2800.891.41.1503 162.50.2660.891.41.1503
162.50.2800.891.41.1503 162.50.3000.891.41.1503  

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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: 50mn, 42CrMo
Type: External Gear

Samples:
US$ 462/Piece
1 Piece(Min.Order)

|

Customization:
Available

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How does the choice of materials impact the performance of slewing rings in different environments?

The choice of materials significantly impacts the performance of slewing rings in different environments. The selection of appropriate materials ensures the desired strength, durability, corrosion resistance, and overall reliability of the slewing rings. Here’s a detailed explanation of how the choice of materials impacts the performance of slewing rings in different environments:

  • Corrosion Resistance: Different environments may expose slewing rings to corrosive elements such as moisture, chemicals, or saltwater. Choosing materials with high corrosion resistance, such as stainless steel or corrosion-resistant alloys, helps protect the slewing rings from chemical reactions and rust formation. Corrosion-resistant materials ensure the longevity and reliability of slewing rings, especially in marine, offshore, or chemical industry applications.
  • Temperature Resistance: Environmental conditions, such as extreme temperatures or thermal cycling, can affect the performance of slewing rings. Materials that exhibit excellent temperature resistance, such as heat-treated steels or specialized alloys, are crucial in applications where slewing rings are exposed to high or low temperatures. These materials maintain their mechanical properties and dimensional stability, ensuring reliable performance even in demanding temperature environments.
  • Wear and Fatigue Resistance: In applications with high loads, repetitive movements, or abrasive environments, slewing rings may experience wear and fatigue. Choosing materials with high wear resistance, such as hardened steels or materials with specialized coatings, minimizes surface damage and extends the service life of the slewing rings. These materials can withstand the repetitive stresses and abrasive conditions, reducing the risk of premature failure.
  • Weight Considerations: In certain applications, weight is a critical factor. Slewing rings that are used in lightweight or mobile equipment may require materials that offer a balance between strength and weight. Lightweight materials like aluminum or high-strength composites can be suitable choices to reduce the overall weight of the slewing rings and improve the efficiency and maneuverability of the equipment.
  • Load Capacity: The choice of materials affects the load-carrying capacity of slewing rings. Materials with high tensile strength and fatigue resistance, such as specialized steels or alloys, enhance the load-bearing capabilities of the slewing rings. The selection of materials with appropriate mechanical properties ensures that the slewing rings can handle the required loads without deformation or failure.
  • Compatibility with Lubricants: Lubrication is essential for smooth operation and reduced friction in slewing rings. The choice of materials should consider their compatibility with the lubricants used in the specific environment. Certain materials may be more compatible with certain types of lubricants, ensuring optimal lubrication and minimizing wear and friction.
  • Electrical Conductivity: In applications where electrical conductivity is required, such as in certain industrial or robotic systems, materials with appropriate electrical conductivity properties may be necessary. Copper or specific alloys can be chosen to provide the desired electrical conductivity while maintaining the mechanical integrity of the slewing rings.

By selecting the appropriate materials based on the environmental conditions and specific application requirements, the performance and reliability of slewing rings can be optimized. Manufacturers and engineers consider factors such as corrosion resistance, temperature resistance, wear resistance, weight considerations, load capacity, lubricant compatibility, and electrical conductivity to determine the most suitable materials for slewing rings in different environments.

How do slewing rings contribute to precise and controlled motion in machinery?

Slewing rings play a crucial role in enabling precise and controlled motion in machinery. Their design and functionality contribute to achieving accurate positioning, smooth rotation, and controlled movement. Here’s a detailed explanation of how slewing rings contribute to precise and controlled motion:

  • Precision Engineering: Slewing rings are meticulously engineered to provide high precision in motion control. The manufacturing processes involve tight tolerances and precise machining to ensure accurate dimensions and alignment of the rolling elements and raceways. This precision engineering minimizes any deviations or errors in motion, allowing for precise positioning and controlled movement.
  • Low Friction and Smooth Rotation: Slewing rings are designed to minimize friction and enable smooth rotation. The rolling elements, whether balls or rollers, are precisely positioned and guided within the raceways of the slewing ring. This design ensures that the rolling elements make contact with the raceways at specific angles, reducing friction during rotation. The low-friction characteristics allow for smooth and controlled motion, enabling precise positioning without undue resistance or jerky movements.
  • Integrated Gear Mechanism: Many slewing rings are equipped with an integrated gear mechanism. The gear teeth on the inner or outer ring of the slewing ring engage with external gears or pinions, providing a means to transmit torque and control rotational motion. The gear mechanism allows for precise and controlled movement, enabling operators or automated systems to achieve accurate positioning and controlled rotation at desired speeds.
  • Backlash Control: Backlash refers to the slight play or clearance between mating gears or components. Slewing rings are designed to minimize backlash, particularly in applications that require precise motion control. By reducing or eliminating backlash, slewing rings ensure that there is minimal lost motion or error when initiating rotational movement or changing direction. This feature contributes to improved accuracy and controlled motion.
  • Stiffness and Rigidity: Slewing rings are designed to provide high stiffness and rigidity, minimizing deflection or deformation during operation. This characteristic is especially important in applications where precise and controlled motion is required. The high stiffness of slewing rings ensures that the applied forces and torques are efficiently transmitted, allowing for accurate positioning and controlled motion without significant distortion or flexing.
  • Positioning Sensors and Feedback Systems: In conjunction with slewing rings, machinery often incorporates positioning sensors and feedback systems. These sensors and systems provide real-time data on the position, speed, and rotation of the slewing ring. By continuously monitoring and adjusting the motion based on the feedback, precise and controlled movement can be achieved, enabling accurate positioning and motion control.

Overall, slewing rings contribute to precise and controlled motion in machinery through their precision engineering, low friction, integrated gear mechanisms, backlash control, stiffness, and compatibility with positioning sensors and feedback systems. These features ensure accurate positioning, smooth rotation, and controlled movement, making slewing rings essential components for applications that require precise motion control in various industries such as construction, material handling, robotics, and manufacturing.

Can you provide insights into the importance of proper installation and alignment of slewing rings?

Proper installation and alignment of slewing rings are of utmost importance for ensuring optimal performance, longevity, and safety of rotating systems. Here’s a detailed explanation of the importance of proper installation and alignment of slewing rings:

  • Load Distribution: Correct installation and alignment of slewing rings ensure proper load distribution across the rolling elements and raceways. When a slewing ring is improperly installed or misaligned, excessive loads may be concentrated on specific areas, leading to accelerated wear, premature failure, and reduced load-bearing capacity. Proper alignment helps distribute loads evenly, maximizing the life expectancy of the slewing ring.
  • Smooth Operation: Accurate installation and alignment contribute to the smooth operation of rotating systems. Misalignment can result in increased friction, uneven motion, vibrations, and noise. These issues not only reduce efficiency but also impact the overall performance and reliability of the system. Proper alignment minimizes friction and ensures smooth and precise rotational movement, enhancing the system’s efficiency and productivity.
  • Reduced Wear and Tear: Improper installation or misalignment can cause excessive wear and tear on the slewing ring and associated components. Misalignment can lead to increased rolling element and raceway stresses, resulting in accelerated fatigue and surface damage. By achieving proper alignment, the slewing ring operates within its designed parameters, reducing wear and extending its operational life.
  • Optimized Performance: Proper installation and alignment directly impact the performance of rotating systems. Accurate alignment ensures that components such as gears, motors, and drive systems mesh correctly with the slewing ring. This alignment facilitates efficient power transmission, reduces energy losses, and improves the overall performance and responsiveness of the system.
  • Prevention of Structural Damage: Misalignment of slewing rings can exert excessive forces on the supporting structure or adjacent components. Over time, these forces can cause structural damage, misalignment in other parts of the system, or even equipment failure. Proper installation and alignment help prevent such structural damage, ensuring the integrity and longevity of the entire system.
  • Safety Considerations: Correct installation and alignment of slewing rings are crucial for safety in rotating systems. Misalignment can lead to unexpected movements, uncontrolled motion, or component failure, posing a risk to personnel, equipment, and the surrounding environment. Proper alignment reduces the likelihood of accidents, improves operational safety, and ensures compliance with safety regulations.
  • Ease of Maintenance: Properly aligned slewing rings are easier to maintain and service. Routine maintenance tasks such as lubrication, inspection, and replacement of components can be performed more efficiently when the slewing ring is correctly installed and aligned. This reduces downtime, extends maintenance intervals, and improves the overall operational efficiency of the system.

In summary, proper installation and alignment of slewing rings are critical for achieving optimal performance, reliability, and safety in rotating systems. Accurate alignment ensures load distribution, smooth operation, reduced wear, optimized performance, prevention of structural damage, enhanced safety, and ease of maintenance. It is essential to follow manufacturer guidelines, industry standards, and best practices to ensure the correct installation and alignment of slewing rings, maximizing their operational lifespan and the efficiency of the entire system.

China best Internal Gear Crossed Roller Slewing Ring (162.20.0630.890.11.1503)  China best Internal Gear Crossed Roller Slewing Ring (162.20.0630.890.11.1503)
editor by CX 2024-03-06