Product Description

Professional Technical Self-Aligning Single Row 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

What are the Challenges Associated with Thermal Expansion in Tapered Roller Bearings?

Thermal expansion presents several challenges in tapered roller bearings, particularly in industrial and high-speed applications. As the bearing components heat up during operation, they expand, which can impact the bearing’s performance, longevity, and overall operation. Here are the challenges associated with thermal expansion in tapered roller bearings:

  • Internal Clearance Reduction:

As the bearing components heat up, their dimensions increase due to thermal expansion. This reduction in internal clearance can lead to increased friction, higher operating temperatures, and even binding of the rolling elements.

  • Lubrication Concerns:

Thermal expansion can affect the distribution and viscosity of the lubricant within the bearing. If the lubricant thins out due to temperature rise, it may not provide adequate protection against friction and wear, potentially leading to premature failure.

  • Increased Friction and Wear:

With reduced internal clearance and potential changes in lubrication properties, the bearing is more susceptible to increased friction and wear. This can result in accelerated wear of the rolling elements, raceways, and cage.

  • Higher Operating Temperatures:

Thermal expansion contributes to elevated operating temperatures within the bearing assembly. Excessive heat generation can degrade the lubricant, weaken bearing materials, and reduce overall efficiency.

  • Alignment Issues:

Temperature-related expansion can lead to misalignment between bearing components, causing uneven loading and potential damage to the rollers and raceways. This misalignment can also lead to increased vibration and noise.

  • Variability in Fit and Clearance:

Components within the bearing may expand at different rates due to variations in material properties. This can result in changes in fit and clearance between components, affecting the overall stability and performance of the bearing.

  • Impact on Preload:

If a bearing is preloaded to eliminate internal clearance, thermal expansion can significantly affect preload values. This can lead to altered load distribution, increased stress on components, and potential bearing damage.

  • Performance Inconsistencies:

Thermal expansion can introduce inconsistencies in bearing performance, especially during transient operating conditions where temperature changes occur rapidly.

  • Limitations in High-Speed Applications:

In high-speed applications, the rapid temperature rise due to friction and heat generation can exacerbate the challenges of thermal expansion, necessitating careful design and lubrication strategies.

  • Design and Material Considerations:

Manufacturers must carefully consider the materials and design aspects of tapered roller bearings to account for thermal expansion effects. This may involve selecting materials with suitable thermal properties and optimizing internal clearances.

Managing thermal expansion challenges requires a comprehensive approach that involves proper bearing design, lubrication strategies, and monitoring of operating conditions. Addressing these challenges ensures that tapered roller bearings can perform optimally and reliably in various applications.

cylindrical roller bearing

What is the impact of proper lubrication on the performance and lifespan of cylindrical roller bearings?

Proper lubrication plays a crucial role in the performance and lifespan of cylindrical roller bearings. Lubrication is essential for reducing friction, minimizing wear, dissipating heat, and preventing corrosion. Let’s explore the impact of proper lubrication in more detail:

  • Friction Reduction:

Proper lubrication forms a thin film of lubricant between the rolling elements and raceways of cylindrical roller bearings. This lubricant film separates the surfaces and reduces direct metal-to-metal contact. As a result, friction and sliding resistance are significantly reduced. The reduction in friction helps to minimize energy loss, improve efficiency, and reduce wear on the bearing components.

  • Wear Prevention:

Lubrication creates a protective barrier between the rolling elements and raceways, preventing excessive wear. The lubricant film prevents metal-to-metal contact and acts as a cushion, absorbing shock and distributing the load evenly. By reducing wear, proper lubrication helps to prolong the lifespan of cylindrical roller bearings, ensuring reliable performance over an extended period.

  • Heat Dissipation:

During operation, cylindrical roller bearings generate heat due to friction. Proper lubrication helps dissipate this heat by carrying it away from the bearing surfaces. The lubricant absorbs and transfers the heat, preventing excessive temperature buildup that could lead to premature failure. Effective heat dissipation through proper lubrication helps maintain the bearing’s operational stability and prevents thermal damage.

  • Prevention of Corrosion:

Lubrication acts as a protective layer, preventing the direct contact of moisture or contaminants with the bearing surfaces. This barrier helps to inhibit corrosion and the formation of rust on the bearing components. By keeping the surfaces clean and protected, proper lubrication aids in maintaining the integrity and longevity of cylindrical roller bearings, especially in challenging environments.

  • Noise Reduction:

Proper lubrication contributes to reducing noise and vibration in cylindrical roller bearings. The lubricant film acts as a cushion, damping the vibrations and reducing the generation of noise during operation. This is particularly important in applications where noise reduction is critical, such as precision machinery or equipment operating in quiet environments.

  • Contamination Control:

Proper lubrication helps in controlling and minimizing the ingress of contaminants into cylindrical roller bearings. The lubricant forms a barrier that helps prevent the entry of dirt, dust, and other particles that could lead to premature wear or damage. By maintaining cleanliness, proper lubrication enhances the overall performance and reliability of the bearing.

In summary, proper lubrication is essential for optimizing the performance and extending the lifespan of cylindrical roller bearings. It reduces friction, minimizes wear, dissipates heat, prevents corrosion, reduces noise, and controls contamination. Bearing manufacturers and operators must follow recommended lubrication practices, including selecting the appropriate lubricant type and viscosity, ensuring proper lubricant replenishment, and adhering to scheduled maintenance intervals, to maximize the benefits of lubrication and ensure the long-term reliability of cylindrical roller bearings.

cylindrical roller bearing

What are cylindrical roller bearings, and how are they used in machinery?

Cylindrical roller bearings are a type of rolling element bearing that consists of cylindrical rollers held in place by a cage. They are designed to provide high radial load-carrying capacity and moderate thrust load-carrying capacity. Cylindrical roller bearings have a relatively high stiffness and can accommodate axial displacement between the inner and outer rings.

These bearings are commonly used in various machinery applications due to their specific characteristics and advantages:

  • Radial Load Capacity:

Cylindrical roller bearings can withstand high radial loads, making them suitable for applications where the primary load is radial in nature. The cylindrical rollers distribute the load evenly along their length, reducing stress concentrations and improving load-carrying capacity. This characteristic allows cylindrical roller bearings to support heavy machinery components and handle substantial radial forces.

  • Thrust Load Capacity:

While primarily designed for 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, for applications with predominantly axial loads, other types of bearings, such as thrust bearings, may be more suitable.

  • Design Variations:

Cylindrical roller bearings come in various design variations to meet specific application requirements. These variations include different cage designs, such as solid cages or cages made of polymer materials, which offer benefits such as reduced friction and improved lubrication. Additionally, cylindrical roller bearings can have different configurations of the inner and outer ring flanges, such as separable or integral designs, to facilitate installation and maintenance.

  • 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. Manufacturers provide speed ratings and guidelines to ensure proper selection and operation of cylindrical roller bearings within their speed limits.

  • 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.

  • 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.

In summary, cylindrical roller bearings are a type of rolling element bearing that provides high radial load-carrying capacity and moderate thrust load-carrying capacity. They are used in machinery applications where heavy radial loads need to be supported. With their versatility, high-speed capability, and ability to accommodate misalignment, cylindrical roller bearings contribute to the efficient and reliable operation of various types of machinery.

China Standard Professional Technical Self-Aligning Single Row Cylindrical Roller Bearing   ball bearingChina Standard Professional Technical Self-Aligning Single Row Cylindrical Roller Bearing   ball bearing
editor by CX 2024-05-15