Product Description

Large Equipment Machine High Professional Parallel Thrust Cylindrical Roller Bearing 

Product Description

Cylindrical roller bearings

Cylindrical roller bearings have 2 integral flanges on eitherthe inner or outer ring to CZPT the rollers,the bearings haveopen”flanges,l,E the inward face of the flange is inclineda defined angle,the flange design,together with the rollerend design and surface finish promote the formation of a lubricantfilm to reduce friction and frictional heat.The bearing ring with the roller and cage assembly can beseparated from the other ring,this simplifies mounting anddis-mounting,particularly when load conditions require bothrings to have an interference fit.Cylindrical roller bearings are available in several designsthe main difference is the configuration of the flanges,themost popular designs are listed in this catalogue and include.

Product Parameters

Detailed Photos

Company Profile

HangZhou HONGSHI MACHINERY AND ELECTRICAL EQUIPMENT CO.,LTD. (formerly HangZhou Hengmai Bearing Co., Ltd.) was established in 2007, and HMMH is our own brand.
HMMH mainly produces spherical roller bearings, pillow block ball bearing, deep groove ball bearings and cylindrical roller bearings. Spherical roller bearing products range from 20mm to 1M, with the main production of crusher bearings 22300 series. Low noise deep groove ball bearings, product accuracy can reach ZV2, ZV3, ZV4, mainly produces motor bearings 6200, 6300 series. pillow block ball bearing, mainly producing UCP, UCF, UCFL, UCFC, UCT series, the products are mainly used in agricultural machine and peeling machine. We also use the bainite quenching process to ensure the hardness of the bearing, using good testing equipment, such as roundness meter, profiler, roughness meter, universal measuring instrument, spectrometer, metallographic microscope to control each detail quality monitoring.

To ensure product quality, we have established a strict quality control system and an experienced team of engineers and after-sales service. From forgings to final products  we have a strict quality control system.

Your needs are our production motivation, and your satisfaction is our goal. We are willing to serve our customers with the goal of “Quality First, Service First, Credit First”.

FAQ

1.A:How can I do customized design?
   Q:We are request for the drawing with the measurement, material and other speicifcation as details as you can, and for the customized products, our MOQ is 10 pcs per design

2.Q: How can I get a sample?
   A: If you only need 1or 2 samples for small size inner weight below 2kgs, we can supply free samples and we have stocks, you can just pay the shipping cost .if you need several design samples, then you should paid the cost with shipping.

3.Q: What package do you usually use?
   A: Usually we use single box or tape. Also according to customer’s special requirement.

4.Q:How long do you need for production? Or what’s your production lead time?
   A:Usually could be sent our in 2-3 days if in stock for samples. Customized item usually need 14-30 days to produce.

5.Q:How long will you guarantee your quality?
   A:We supply test report and quality control photos from materials to finished goods during production.
 
6.Q:How to do after sale service?
   A:Good after-sale service is our promise. Before placing orders, our professional engineer will discuss all technical data and your bearing usage condition and CZPT you what kind of steel materials to fit your products and usage life possible.

 

 

 

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Medium and Large(120-190mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
Customization:
Available

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Customized Request

tapered roller bearing

Can you Explain the Concept of Bearing Clearance in Tapered Roller Bearings?

Bearing clearance, also known as internal clearance, refers to the space or gap between the various components of a tapered roller bearing when it is not under load. This clearance exists to accommodate the thermal expansion of the bearing components, ensure proper lubrication, and prevent excessive interference during operation. Here’s how bearing clearance works in tapered roller bearings:

  • Thermal Expansion:

As tapered roller bearings operate, they generate heat due to friction and loading. This heat causes the bearing components, including the inner and outer rings, rollers, and cage, to expand. Bearing clearance provides the necessary space for these components to expand without causing binding or excessive load on the rolling elements.

  • Lubrication Film:

The lubricant within the bearing forms a thin film between the rolling elements and raceways. Bearing clearance ensures that the rolling elements can move smoothly within this lubrication film, reducing friction and wear.

  • Operating Conditions:

Bearing clearance affects the behavior of the bearing under different operating conditions. Excessive clearance can lead to vibration, noise, and reduced load-carrying capacity, while insufficient clearance may result in increased friction, heat generation, and premature failure.

  • Types of Clearance:

Tapered roller bearings can have various types of clearance, including radial clearance (between the rollers and raceways) and axial clearance (along the bearing axis). The choice of clearance depends on the application’s requirements and the desired balance between load capacity and internal stress.

  • Preload vs. Clearance:

Preload, which is the application of a controlled axial force, eliminates internal clearance and optimizes the distribution of load between rolling elements. In contrast, bearing clearance provides the necessary space for thermal expansion and lubrication, albeit at the cost of increased play.

  • Application-Specific Considerations:

The optimal bearing clearance varies depending on factors such as the application’s operating temperature, speed, and load magnitude. Engineers carefully select the appropriate clearance to ensure optimal bearing performance.

  • Measuring Clearance:

Bearing clearance can be measured using specialized instruments or techniques that assess the gap between components when the bearing is not under load.

Proper bearing clearance is crucial to maintaining optimal performance, minimizing wear, and preventing premature failure in tapered roller bearings. It is a critical factor that engineers consider when selecting and designing bearings for specific applications.

cylindrical roller bearing

Can you explain the maintenance and installation considerations for cylindrical roller bearings?

Maintenance and proper installation are crucial for ensuring the optimal performance and longevity of cylindrical roller bearings. Let’s explore the key considerations for maintenance and installation:

  • Installation Considerations:

Proper installation of cylindrical roller bearings is essential to prevent premature failure and ensure reliable operation. Here are some important considerations:

  • Handling and Storage:

Handle the bearings with care to avoid dropping or impact that could damage the bearing components. Keep the bearings in their original packaging or store them in a clean, dry environment to protect them from contamination, moisture, and corrosive substances. Avoid exposing the bearings to excessive heat or temperature fluctuations during storage.

  • Cleanliness:

Before installation, ensure that the bearing housing, shaft, and adjacent components are clean and free from dirt, debris, or old lubricant residues. Contaminants can shorten the bearing’s lifespan and affect its performance. Use appropriate cleaning methods and solvents to achieve the necessary cleanliness.

  • Mounting Methods:

Follow the manufacturer’s recommended mounting methods and tools for installing cylindrical roller bearings. Improper mounting techniques can cause bearing misalignment, excessive preload, or damage to the bearing components. Consider using mounting equipment such as induction heaters or hydraulic mounting tools to facilitate proper and efficient installation.

  • Shaft and Housing Fits:

Ensure that the bearing’s shaft and housing fits are within the recommended tolerances specified by the manufacturer. Proper fits help maintain the desired clearance, preload, or interference fit necessary for the bearing’s optimal performance. Consult bearing catalogs or manufacturer guidelines for the appropriate fits based on the application requirements.

  • Lubrication:

Proper lubrication is critical for the performance and longevity of cylindrical roller bearings. Select the correct lubricant type, viscosity, and quantity based on the operating conditions and manufacturer recommendations. Apply the lubricant evenly and ensure it reaches all critical contact surfaces. Regularly monitor and replenish the lubricant according to the recommended maintenance intervals.

  • Maintenance Considerations:

Regular maintenance helps identify and address any issues or degradation that may arise during the bearing’s operation. Here are some key maintenance considerations for cylindrical roller bearings:

  • Monitoring:

Regularly inspect the bearings for any signs of abnormal noise, vibration, overheating, or lubricant leakage. Monitor the bearing’s operating conditions, including speed, temperature, and load to ensure they are within the recommended limits. Implement condition monitoring techniques such as vibration analysis or temperature measurement to detect early signs of potential problems.

  • Re-lubrication:

Monitor the lubricant condition and replenish it as necessary. Follow the manufacturer’s recommended re-lubrication intervals and procedures. Consider using automatic lubrication systems or centralized lubrication systems to ensure consistent and proper lubrication.

  • Sealing and Contamination Control:

Inspect and maintain the seals or sealing arrangements to prevent the ingress of contaminants into the bearing. Regularly clean the surrounding area and implement effective contamination control measures, such as using protective covers or seals, to minimize the exposure of the bearing to dirt, dust, or moisture.

  • Replacement:

If a cylindrical roller bearing shows signs of significant wear, damage, or failure, replace it promptly with a new bearing of the correct size and specification. Follow the appropriate dismounting procedures and take precautions to avoid any damage to the shaft, housing, or adjacent components during the replacement process.

By adhering to proper installation techniques and implementing regular maintenance practices, the performance, reliability, and lifespan of cylindrical roller bearings can be optimized, leading to improved operational efficiency and reduced downtime.

cylindrical roller bearing

What are the key advantages of using cylindrical roller bearings in various applications?

Cylindrical roller bearings offer several key advantages that make them a preferred choice in various applications. Let’s explore the significant benefits of using cylindrical roller bearings:

  • High Radial Load Capacity:

Cylindrical roller bearings are specifically designed to handle high radial loads. Their cylindrical roller arrangement and large contact area with the raceways enable them to distribute loads evenly along the rollers’ length. This characteristic allows cylindrical roller bearings to support heavy machinery components and handle substantial radial forces, making them suitable for applications where the primary load is radial in nature.

  • Moderate Thrust Load Capacity:

While their primary function is to carry radial loads, cylindrical roller bearings can also accommodate moderate axial loads. The arrangement of the cylindrical rollers and their contact angle with the raceways enables these bearings to handle limited thrust loads. However, it’s important to note that for applications with predominantly axial loads, other types of bearings, such as thrust bearings, may be more suitable.

  • High-Speed Capability:

Cylindrical roller bearings can operate at high speeds, depending on their design and internal clearance. Factors such as cage material, roller design, and lubrication play a role in determining the maximum allowable speed. The ability to operate at high speeds makes cylindrical roller bearings suitable for applications that require efficient and reliable rotation, such as electric motors, gearboxes, and machine tool spindles.

  • Application Versatility:

Cylindrical roller bearings find wide applications in various machinery and equipment. They are commonly used in rotating machinery, such as electric motors, gearboxes, pumps, and compressors. Cylindrical roller bearings are also utilized in industries such as automotive, aerospace, construction, and mining, where they support heavy loads and provide rotational motion in critical components. The versatility of cylindrical roller bearings makes them a preferred choice across different sectors.

  • Alignment and Compensation:

Cylindrical roller bearings have the ability to accommodate slight misalignments between the inner and outer rings. This feature allows for easier installation and helps compensate for mounting errors or shaft deflections during operation. The axial displacement capability of cylindrical roller bearings can also assist in thermal expansion or contraction of the shaft and housing. This ability to handle misalignment and axial displacement contributes to the overall reliability and longevity of machinery.

  • Durability and Longevity:

Cylindrical roller bearings are designed to withstand heavy loads, shocks, and vibrations encountered in various applications. They are manufactured with high-quality materials and undergo stringent quality control processes to ensure durability and reliability. Proper lubrication and maintenance further enhance their longevity and performance, making cylindrical roller bearings a dependable choice for demanding industrial environments.

In summary, cylindrical roller bearings offer significant advantages in terms of high radial load capacity, moderate thrust load capacity, high-speed capability, application versatility, alignment and compensation capabilities, and durability. These advantages make cylindrical roller bearings well-suited for a wide range of machinery applications, contributing to efficient operation, reduced downtime, and extended service life.

China factory Large Equipment Machine High Professional Parallel Thrust Cylindrical Roller Bearing   deep groove ball bearingChina factory Large Equipment Machine High Professional Parallel Thrust Cylindrical Roller Bearing   deep groove ball bearing
editor by CX 2024-05-10