China manufacturer High Quality Auto Motorcycle Parts Double Row Ball/1 Ball 1 Roller/Water Pump Bearing with Shaft for Car/Truck/Automobile Accessories with Best Sales

Product Description

Wb122680 Wb122688 Wb122690 Auto Water Pump Bearing Double Row Ball Bearing with Shaft

Product Description

 

Water Pump Shaft Bearing
Material: Bearing steel(GCR15)
Processing Level: Super Precision Finishing
Mechanical Process: CNC

We can produce all types of water pump shaft bearings, and the space limitation cannot be listed in full. Welcome to inquire.
 

NSK   A B C D
  WN2269 2.69 0.99 0.18 0.6267
  WN2366-4 3.66 0.73 1.40 0.6267
665343 WN2375-3 3.76 0.56 1.67 0.6267
  WN2401-5 4.02 0.67 1.82 0.6267
  WN2410 4.10 1.03 1.54 0.6267
665329 WN2415-1 4.15 0.80 1.82 0.6267
  WN2434 4.35 0.84 1.97 0.6267
  WN2447 4.48 1.42 1.52 0.6267
  WN2488-1 4.49 0.75 2.21 0.6267
  WN2450-2 4.50 1.26 1.71 0.6267
665337A WN2454 4.55 0.81 2.21 0.6267
  WN2456-1 4.56 1.10 1.93 0.6267
6654305 WN2462-1 4.62 1.34 1.75 0.6267
665333 WN2468-2 4.69 0.71 2.44 0.6267
  WN2475 4.75 1.10 2.12 0.6267
  WN2476 4.76 1.16 2.07 0.6267
  WN2497 4.97 1.45 1.99 0.6267
  WN2547 5.47 0.91 3.03 0.6267
665603 WN2548 5.49 1.38 2.58 0.6267
665413 WN2548-1 5.49 1.63 2.33 0.6267
  WN3399 4.00 0.69 1.78 0.6275
  WN3520-2 5.20 1.58 2.09 0.6275
  WN3607 6.07 1.17 3.37 0.6275
665613 WN3607-1 6.07 1.17 3.37 0.6275
665329ATL0S WN6415-1 4.15 0.80 1.82 0.6290
665337A0S2 WN6454 4.55 0.81 2.21 0.6290
6653250S WN6456 4.56 1.10 1.93 0.6290
6656930S2 WN6548 5.49 1.38 2.58 0.6290
  WN7607-1 6.07 1.17 3.37 0.6295

Please inquire for details.
 

Company Profile

 

HangZhou JPG BEARING MANUFACTURING 

15 Years of production  bearings Experiences.
 Fast delivery
 Best service

 

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Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Customization:
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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

roller bearing

Can you describe the various types of seals and shields used with roller bearings for contamination prevention?

Roller bearings are often equipped with seals and shields to prevent contamination from entering the bearing and to retain lubrication. These protective devices help maintain the performance, reliability, and longevity of the bearings in various applications. Here’s a description of the various types of seals and shields commonly used with roller bearings:

  • Contact Seals:

Contact seals, also known as lip seals or radial seals, are designed to create a physical barrier between the bearing and its external environment. They consist of a flexible lip made of elastomeric material, such as nitrile rubber or fluoroelastomer, which makes contact with the inner or outer ring of the bearing. Contact seals provide an effective seal against solid and liquid contaminants, preventing their ingress into the bearing. They also retain the lubricating grease inside the bearing, minimizing the need for frequent relubrication. Contact seals are commonly used in applications where moderate sealing performance is required, such as electric motors, pumps, and automotive wheel bearings.

  • Non-Contact Seals:

Non-contact seals, also known as labyrinth seals or gap seals, do not make physical contact with the bearing surfaces. They feature a series of labyrinth-like channels or grooves that create a tortuous path for contaminants, effectively blocking their entry into the bearing. Non-contact seals provide less friction compared to contact seals, which can be beneficial for applications that require high-speed operation. However, they may offer slightly lower sealing performance in extremely dusty or wet environments. Non-contact seals are commonly used in applications such as machine tools, industrial gearboxes, and high-speed rotating equipment.

  • Metal Shields:

Metal shields, also known as metal covers or metal shields, are rigid plates made of metal, typically steel, that are attached to the bearing outer ring. They provide a physical barrier against larger contaminants, such as dirt and debris, while allowing for limited lubricant flow. Metal shields offer good protection in applications where the primary concern is preventing large solid particles from entering the bearing. They are commonly used in applications such as electric motors, fans, and agricultural machinery.

  • Rubber Shields:

Rubber shields, also known as rubber seals or non-metallic shields, are made of synthetic rubber materials and are attached to the bearing outer ring. They provide effective protection against both solid and liquid contaminants, ensuring a high degree of sealing performance. Rubber shields offer better sealing capabilities compared to metal shields but may introduce slightly more friction. They are commonly used in applications that require enhanced sealing performance, such as automotive wheel bearings, conveyor systems, and food processing equipment.

  • Felt Seals:

Felt seals are made of compressed or impregnated felt material and are used for light-duty sealing applications. They provide a barrier against larger solid contaminants and certain types of liquid contaminants. Felt seals are commonly used in low-speed applications, such as pillow block bearings and lightly loaded machinery.

In summary, roller bearings can be equipped with various types of seals and shields to prevent contamination. Contact seals, non-contact seals, metal shields, rubber shields, and felt seals are commonly used depending on the specific application requirements. These protective devices play a vital role in maintaining the cleanliness and lubrication of the bearing, ensuring optimal performance, reliability, and longevity.

roller bearing

What are the potential challenges or limitations of using roller bearings in specific industries?

While roller bearings offer numerous advantages and are widely used in various industries, there are also potential challenges and limitations associated with their use. These challenges may vary depending on the specific industry and application. Here’s a detailed explanation of the potential challenges or limitations of using roller bearings in specific industries:

  • High-Temperature Environments:

In industries such as steel, glass, or aerospace, where high temperatures are present, roller bearings may face challenges due to the limitations of materials and lubricants. High temperatures can cause the lubricant to break down or evaporate, leading to inadequate lubrication and increased friction. This can result in accelerated wear, reduced bearing life, and potential failure. To overcome this limitation, specialized high-temperature bearings and appropriate lubricants with high thermal stability are required.

  • Contaminated or Corrosive Environments:

In industries such as mining, food processing, or chemical manufacturing, roller bearings may be exposed to contaminants, dust, moisture, or corrosive substances. These harsh environments can lead to accelerated wear, corrosion, and premature failure of the bearings. Implementing effective sealing mechanisms, selecting bearings with corrosion-resistant materials or coatings, and using appropriate lubricants can help mitigate these challenges and enhance the durability of roller bearings.

  • High-Speed Applications:

In industries like automotive, aerospace, or high-speed machinery, operating roller bearings at extremely high speeds can present challenges. At high speeds, centrifugal forces, increased temperature, and dynamic loads can affect the performance and lifespan of roller bearings. Proper bearing selection, careful consideration of critical speed, advanced lubrication techniques, and precision manufacturing are essential to overcome these challenges and ensure reliable operation at high speeds.

  • Heavy Load Applications:

Industries such as construction, mining, or heavy machinery often involve applications with heavy loads that can exceed the load-carrying capacity of standard roller bearings. In such cases, specialized bearings, such as spherical roller bearings or tapered roller bearings, may be required to handle the higher loads. Additionally, proper mounting, alignment, and maintenance practices are crucial to prevent premature wear or failure under heavy load conditions.

  • Space Constraints:

In certain industries, such as automotive, robotics, or aerospace, there may be limitations in terms of available space for bearing installation. Roller bearings come in various sizes and configurations, and finding the right fit within the given space constraints can be challenging. In such cases, compact or customized bearing designs, such as thin-section bearings or needle roller bearings, may be required to meet the specific dimensional requirements without compromising performance.

  • Cost Considerations:

Roller bearings, especially those designed for high-speed or heavy-load applications, can be relatively expensive compared to other bearing types. In cost-sensitive industries, such as consumer electronics or appliances, balancing the performance requirements with the associated costs can be a challenge. It may be necessary to explore alternative bearing solutions or optimize the design to achieve a cost-effective balance between performance and budget.

It is important to note that while roller bearings may face certain challenges or limitations in specific industries, advancements in bearing technology, materials, and lubrication techniques continue to address these limitations and improve the overall performance and reliability of roller bearings. By understanding the specific challenges and selecting the appropriate bearing type, design, and maintenance practices, it is possible to overcome these limitations and achieve optimal performance in various industrial applications.

roller bearing

How do roller bearings compare to other types of bearings, like ball bearings?

Roller bearings and ball bearings are two common types of bearings used in various applications. While both types serve the same purpose of facilitating smooth and efficient rotational motion, there are distinct differences between them. Here’s a detailed comparison of roller bearings and ball bearings:

  • Design and Construction:

Ball bearings have rolling elements in the shape of spheres (balls) sandwiched between an inner and outer raceway. The rolling elements make point contact with the raceways, distributing the load evenly. Roller bearings, on the other hand, have cylindrical or tapered rolling elements (rollers) that make line contact with the raceways. The line contact allows roller bearings to distribute higher loads over a larger surface area compared to ball bearings. Roller bearings can handle radial, axial, and combined loads more effectively, making them suitable for applications with heavy loads or high thrust forces.

  • Load Capacity:

Due to their design and larger contact area, roller bearings have a higher load-carrying capacity than ball bearings. The line contact of roller bearings allows them to distribute the load more evenly, reducing localized stresses. This makes roller bearings well-suited for applications that involve significant radial or axial loads, such as conveyor systems, heavy machinery, or automotive wheel bearings. Ball bearings, while having lower load capacity compared to roller bearings, are typically used in applications with lighter loads or high-speed requirements, such as electric motors, fans, and small machinery.

  • Friction and Speed:

Ball bearings generally have lower friction compared to roller bearings due to the point contact between the rolling elements and raceways. The lower friction results in reduced energy consumption and heat generation, making ball bearings more suitable for high-speed applications. Roller bearings, with their line contact, have slightly higher friction but offer better load distribution. However, advancements in bearing technology have led to the development of low-friction roller bearings, such as tapered roller bearings with optimized designs, for improved efficiency and reduced friction at high speeds.

  • Alignment and Misalignment:

Ball bearings are more forgiving when it comes to misalignment between the shaft and the housing. Their point contact allows for some angular misalignment without significantly affecting performance. Roller bearings, particularly spherical roller bearings, can also accommodate misalignment but to a lesser extent compared to ball bearings. Cylindrical roller bearings, on the other hand, are less forgiving and require precise alignment for optimal performance. Proper alignment is crucial for both types of bearings to ensure even load distribution and prevent premature wear or failure.

  • Application Specificity:

The choice between roller bearings and ball bearings depends on the specific application requirements. Roller bearings excel in heavy-duty applications where high load capacity and durability are essential. They are commonly used in industries such as mining, construction, and heavy machinery. Ball bearings, with their lower friction and suitability for high-speed operation, are preferred in applications that prioritize speed, precision, and efficiency, such as electric motors, machine tools, and automotive components.

In conclusion, roller bearings and ball bearings have distinct characteristics and are suitable for different types of applications. Roller bearings offer higher load capacity and better load distribution, making them ideal for heavy-duty applications. Ball bearings, with their lower friction and ability to accommodate misalignment, are well-suited for high-speed and precision applications. The choice between roller bearings and ball bearings depends on factors such as load requirements, speed, application specificity, and alignment considerations.

China manufacturer High Quality Auto Motorcycle Parts Double Row Ball/1 Ball 1 Roller/Water Pump Bearing with Shaft for Car/Truck/Automobile Accessories   with Best SalesChina manufacturer High Quality Auto Motorcycle Parts Double Row Ball/1 Ball 1 Roller/Water Pump Bearing with Shaft for Car/Truck/Automobile Accessories   with Best Sales
editor by CX 2024-04-04

Roller Bearing

As one of the leading roller bearing manufacturers, suppliers, and exporters of mechanical products, We offer roller bearing and many other products.

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