Product Description
| Name | Tapered Roller Bearings |
| Brand | MONTON |
| Model | M281049D/M281571G2+A |
| d |
635.000mm |
| D |
901.700mm |
| B |
317.500mm |
| Ring Material | Gcr15/ Carbon Steel |
| Cage Material | Steel cage |
| Load rating Ca |
8,300kN |
| Load rating Coa |
22,100kN |
| Sealed | as customer requested |
| Weight |
641kG |
| Bearing Arrangement | Single Row/Double Row/Triple Row/Quadruple Row |
| Design Structure | Tapered Roller |
| Precision | P4,P5,P6,P0 or as customer requested |
| Vibration | ZV1, ZV2, ZV3, or as customer requested |
| Clearance | C0, C2, C3, or as customer requested |
| Quality standard | ISO9001: 2000/SGS |
| Package | single box/wooden case |
| Original | HangZhou |
| Service | OEM |
| Delivery date | Accordingly |
| Application | Front wheel, rear wheel, transmission, differential pinion shaft of a car. Gear reduction devices for machine tool spindles, engineering machinery, large agricultural machinery, railway vehicles, rolling mill journals, and reduction devices. |
Introduction:
Tapered roller bearings have tapered inner and outer ring raceways as well as tapered rollers They are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads The projection lines of the raceways meet at a common point on the bearing axis to provide a true rolling action and therefore low frictional moments during operation The axial load carrying capacity of tapered roller bearings increases with increasing contact angle α The size of the contact angle, which is usually between 10° and 30°, is related to the calculation factor e : the larger the value of e, the larger the contact angle.
Bearing feature:
1.Low friction
2.Long service life
3.Enhanced operational reliability
4.Consistency of roller proiles and sizes
5.Rigid bearing application
6.Running-in period with reduced temperature peaks
7.Separable and interchangeable
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| ID: | 635.000mm |
|---|---|
| Od: | 901.700mm |
| B: | 317.500mm |
| Weight: | 641kg |
| Transport Package: | Single Box |
| Specification: | M281049D/M281010G2+A |
| Customization: |
Available
| Customized Request |
|---|
Can you Explain the Concept of Axial and Radial Load Capacity in Slewing Bearings?
The axial and radial load capacities are fundamental parameters that define the ability of slewing bearings to withstand different types of loads along different directions. Here’s an explanation of these concepts:
- Axial Load Capacity:
The axial load capacity of a slewing bearing refers to its ability to withstand loads that act parallel to the axis of rotation. In other words, it’s the maximum force that can be applied along the vertical or horizontal axis without causing significant deformation or failure of the bearing components.
For example, in applications where the bearing supports vertical loads like those encountered in cranes or excavators, the axial load capacity is crucial to ensure the stability and safety of the equipment. Slewing bearings designed for high axial load capacities have sturdy components and optimized raceway profiles to distribute the load evenly and prevent stress concentrations.
- Radial Load Capacity:
The radial load capacity of a slewing bearing pertains to its ability to withstand loads that act perpendicular to the axis of rotation. These loads are directed toward or away from the center of the bearing. Radial loads can result from weight, force, or moments acting perpendicular to the axis of rotation.
For instance, in applications involving cantilevered structures, the radial load capacity is essential to support the bending moments and forces applied to the bearing. Slewing bearings with high radial load capacities are designed to handle these loads without excessive deformation, minimizing wear and maintaining operational integrity.
- Combined Load Situations:
Real-world applications often involve combinations of axial and radial loads. Slewing bearings must be selected and designed to handle these combined loads effectively. Engineers consider both axial and radial load capacities to ensure that the bearing can safely operate under the expected loading conditions.
Manufacturers provide load rating charts and data that specify the maximum axial and radial loads a slewing bearing can handle. Engineers use this information to make informed decisions about bearing selection for various applications.
In summary, the axial and radial load capacities of slewing bearings are essential parameters that determine their ability to withstand specific types of loads in various directions. Proper consideration of these capacities ensures safe and reliable operation in diverse applications.
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 2024-04-30
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