Product Description
Our factory specializes in the production of tapered roller bearings, deep groove ball bearings, spherical roller bearings, slewing bearing bearings with high quality and low price, factory direct sales delivery, eliminating the middleman to earn the difference, the lowest price, the best quality, the best service!
More details of CZPT tapered roller bearings
| Hyundai Excavator Slewing Ring Replacement | |||||
| Excavator model number | Part number | Excavator model number | Part number | ||
| R110-7 | 81N3-57122 BG | R250/260 | 81EN- | R320LC-7 | 81n9-57122 BG |
| R210W-9S | 81Q5-57120 | R320LC-7 | 81N9-00571 | ||
| R210W-9S | 81Q5-57121 | R360/380 | 81NA-57120 | ||
| R220LC-9S | 81Q6-0571 | R360LC-7A | 81NA-57121BG | ||
| R220LC-9S | 81Q6-57120 | R450/500 | 81NB-57121 | ||
| R220LC-9S | 81Q6-57121 | R450-7A | 81NB-57122BG | ||
| R220LC-9S | 81Q6-00571 | R520LC-9S | 81QB-57120 | ||
| R225-7 | 81qb-57121 | ZX850-3 | HH2036267 | ||
| Packing&Delivery |
jieerThe production of YRT rotary table bearings, YRT standard series, YRTS high-speed series and ZKLDF thrust angle contact ball series all have high rotational accuracy, can withstand radial loads, bi-directional axial loads and overturning moments, suitable for high-precision and combined load occasions such as rotary tables, flower discs, milling heads and reversible clamps. Bearing rings have mounting holes for easy installation. Axial and radial preload after installation ensure high precision and rigidity. The size series is complete, which is used for rational use of different sizes of rotary tables; the shape and installation size of different series of rotary table bearings are the same, which is suitable for selecting suitable series according to different environmental requirements. Commonly used types such as YRT50 turntable bearings, YRT80 rotary table bearings, YRT100 rotary table bearings, YRT120 rotary table bearings, YRT150 rotary table bearings, YRT180 rotary table bearings, YRT200 rotary table bearings, YRT260 rotary table bearings, YRT325 rotary table bearings, YRT395 rotary table bearings, YRT460 rotary table bearings, YRT580 rotary table bearings, YRT650 rotary table bearings, YRT950 rotary table bearings, YRT1030 rotary table bearings, YRT1200 rotary table bearings, etcPacking
AOur workshop. plastic box+outer carton+pallets
Packing
A. plastic box+outer carton+pallets
B. plastic bag+box+carton+pallet
C. tube package+middle box+carton+pallet
D. Of course we will also be based on your needs
Delivery
1.Most orders will be shipped within 3-5 days of payment being received.
2.Samples will be shipped by courier as FedEx,UPS,DHL,etc.
3.More than 3000 set bearings, it is recommended to be shipped by sea (sea transportation).
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Motors, household appliances, agricultural machinery, construction machinery, construction machinery, skates, paper machinery, reduction gears, railway vehicles, crushers, printing machinery, woodworking machinery, automobiles, metallurgy, rolling mills, mines, automation equipment, robot rocker arms, fully automatic mechanical equipment
One. Our main products
Our products cover deep groove ball bearings, tapered roller bearings, cylindrical roller bearings,spherical roller bearing, pillow block bearing, angular contact ball bearing, self-aligning ball bearing, thrust ball bearing, thrust roller bearing, needle roller bearing, spherical plain bearing and so on, large, super large and non-standard bearings. In addition to the above, we offer customized high-tech bearings for free design according to drawings and samples from the clients’ side.
Two. Our team
Teamwork helps the company prosper. Combining the knowledge of all colleagues,Two. Our team
Teamwork helps the company prosper. Combining the knowledge of all colleagues,the companies possess high work efficiency and an ability to deal with whatever problems. As a result, the companies can make more profits and develop more quickly.
In sum, teamwork is very important, no 1 could live individually, they must rely on others in some way. Hence, work together could make life easier.
Three.FAQ
Frequently Asked Questions
Q: Are you a trading company or a manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
Four.ApplicationsApplications
1. machine tools,metallurgical machinery,
2. textile machinery,printing machinery,
3.other machinery,equipment,Can make the mechanical
4. system design very compact and nimble
Five. Contact Information.
We are professionally doing bearings,
China Bearing, you see what kind of model you need can contact me, /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Medium and Large(120-190mm) |
| Material: | Bearing Steel |
| Spherical: | Non-Aligning Bearings |
| Load Direction: | Axial Bearing |
How do Slewing Bearings Contribute to the Smooth Rotation of Cranes and other Heavy Machinery?
Slewing bearings play a vital role in ensuring the smooth and efficient rotation of cranes and other heavy machinery that require controlled movement. Their design and functionality are specifically tailored to handle the unique challenges posed by such applications. Here’s how slewing bearings contribute to the smooth rotation of cranes and heavy machinery:
- Load Handling:
Crane operations involve lifting and moving heavy loads. Slewing bearings are designed to carry substantial axial, radial, and moment loads simultaneously. This load-handling capacity allows cranes to lift and transport heavy objects with precision.
- Smooth Rotation:
Slewing bearings provide a smooth interface between the upper structure (superstructure) and the lower structure (substructure) of the machinery. This allows for controlled and precise rotation of the upper structure, enabling cranes to maneuver smoothly during lifting, loading, and unloading operations.
- Efficient Torque Transmission:
During crane rotation, torque generated by the motor is transmitted through the slewing bearing to the upper structure. The bearing’s design ensures efficient torque transmission, minimizing energy losses and facilitating smooth rotation even under heavy loads.
- Low Friction and Wear:
Slewing bearings are engineered to minimize friction and wear. This reduces the energy required for rotation and prevents premature wear that could affect the bearing’s performance and longevity.
- High Stiffness:
Slewing bearings exhibit high stiffness, which contributes to the stability of the machinery during rotation. This stiffness ensures minimal deflection and maintains precise alignment, essential for safe and controlled movement.
- Uniform Load Distribution:
The raceway design of slewing bearings promotes uniform load distribution among rolling elements. This prevents stress concentrations and uneven wear, enhancing the bearing’s durability and contributing to smooth operation.
- Slow and Controlled Movement:
Crane operations often require slow and controlled rotation, especially when positioning heavy loads. Slewing bearings facilitate this type of movement, allowing operators to make precise adjustments.
- Customization for Specific Applications:
Slewing bearings can be customized to match the specific requirements of different crane designs and applications. This customization ensures optimal performance and longevity in various operational scenarios.
In summary, slewing bearings are essential components that enable the smooth and precise rotation of cranes and heavy machinery. Their load-carrying capacity, low friction, high stiffness, and ability to transmit torque efficiently contribute to the reliable and controlled movement required for various lifting and loading operations.
How does Preload Affect the Performance and Stability of Slewing Bearings?
Preload is a critical factor that can significantly impact the performance and stability of slewing bearings. It involves applying a controlled axial force to the bearing components before assembly. Here’s how preload affects slewing bearings:
- Reduced Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and raceways. This minimizes play or clearance in the bearing, enhancing its rigidity and reducing the potential for rolling element skidding during operation.
- Improved Stiffness:
Preloaded slewing bearings exhibit higher stiffness due to the elimination of internal clearance. This improved stiffness is crucial in applications requiring precise positioning, such as robotics and high-precision machinery.
- Enhanced Load Distribution:
Preload improves the load distribution among rolling elements, minimizing stress concentrations and promoting uniform load sharing. This is especially important in applications with varying loads and forces.
- Reduced Vibrations:
By eliminating internal clearance and minimizing rolling element movements, preloaded bearings experience reduced vibrations during operation. This contributes to smoother and more stable equipment performance.
- Precise Positioning:
Preload ensures minimal movement within the bearing during rotational changes, making it suitable for applications where precise positioning and accurate motion control are essential.
- Resistance to External Loads:
Preloaded bearings are better equipped to handle external forces and shocks without significant deformation or misalignment, maintaining consistent performance even under varying conditions.
- Reduced Wear:
With reduced internal clearance and controlled movement, preloaded bearings experience less wear and fatigue. This extends their service life and reduces the frequency of maintenance.
- Limitations:
However, excessive preload can lead to increased friction, heat generation, and potential damage. It’s essential to apply the right amount of preload according to manufacturer recommendations and application requirements.
In summary, preload in slewing bearings enhances rigidity, load distribution, and stability, making them suitable for applications that demand precise movement and control. Properly applied preload ensures optimal performance and extends the operational life of the bearing.
What are the Advantages of Using Slewing Bearings in Industrial Applications?
Slewing bearings offer several advantages that make them valuable components in various industrial applications. Some of the key advantages include:
- High Load-Carrying Capacity: Slewing bearings are designed to handle significant axial, radial, and moment loads simultaneously, making them suitable for heavy-duty industrial equipment.
- Space and Weight Savings: Slewing bearings enable compact designs by combining axial and radial bearing functions into a single unit. This helps save space and reduces the overall weight of machinery.
- Smooth Rotational Movement: The design of slewing bearings ensures smooth and precise rotation, contributing to the efficiency and performance of machinery and equipment.
- Minimal Maintenance: Properly lubricated slewing bearings require minimal maintenance due to their robust construction and efficient load distribution.
- Enhanced Durability: Slewing bearings are built to withstand harsh environmental conditions, heavy loads, and repetitive movements, leading to long service life.
- Cost Efficiency: Despite their initial investment, the extended lifespan and low maintenance requirements of slewing bearings result in cost savings over time.
- Customizability: Slewing bearings can be tailored to specific application requirements, including size, load capacity, and sealing options.
- Precise Positioning: Slewing bearings with integral gearing systems allow for accurate positioning, making them ideal for applications that demand controlled movement.
- Versatility: They are used in a wide range of industries, including construction, manufacturing, energy, transportation, and more.
- Reduced Friction and Wear: The rolling-element design of slewing bearings reduces friction and wear, contributing to efficient operation and extended component life.
Overall, the advantages of slewing bearings make them indispensable in industrial applications where reliable and efficient rotational movement is required.
editor by CX 2024-04-04
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