Tag Archives: shaft graphite

China Hot selling Graphite Bearing 75*85*70 mm Bronze Bushing Nylon Bushing Carbon Bush Bronze Fan Bushing Oilless Bearing for Excavator drive shaft bearing

Product Description

 

SPB material is made with high strength copper alloy, and the inserted solid lubricant materials are made with graphite and PTFE.

According to the bushings’ working conditions, the bronze combination between different metal basement and various solid lubricant can ensure that the product can peform under various temperatures, loads, movements and medium as required.

Oilless bush is especially applied in oil-free high temperature, high load, low speed, contamination resistance, corruption resistance radiation resistance as well as the use under such special work conditions that cannot be lubricated, such as underwater and in vacuum space.

 

Key Characteristics:

1. May work without any oil for long period.
2. Extremely high load capacity, good anti-wear and low friction.
3. Particularly appropriate for low speed and high load.
4. Suitable single direction axial loads
5. Free design is possible on the shape and size
6. Can be used in wide range of temperature, from – 40ºC+ 300ºC

Product Parameters

 

Material

CuZn25Al5Mn4Fe3+Graphite

Typical Application 

consecutive casting and rolling machines, mine-exploiting equipments, ships, steam engine, etc.

Density g/cm3

8

Hardness HB

>210

Tensile Strength N/mm²

>750

Yeild strength N/mm²

>340 

Elongation %

>12 

Coefficient of linear expansion 10-5/ºC

2.2

Heat-conducting Coefficient W(/m.k)

38~55

Flexibility Coefficient KN/mm²

100~140

Temp. Limits ºC

-40~+200

Max. Dynamic Load N/mm²

98

Max.speed m/s

Dry Lubrication 0.3; Oil Lubrication 1.0

Max.PV N/mm²*m/s

Dry Lubrication 1.65; Oil Lubrication 3.25

Friction

Dry Lubrication 0.12~0.16; Oil Lubrication 0.03~0.08

We can also develop according to customers special request while out of this table

 

Company Profile

 

 

Packaging & Shipping

/* 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

Customized: Customized
Standard Parts: Customized
Universal: Yes
Type: Cylinder Bushing
Material: Cusn12
Lubrication: Self Graphite Lubricating
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nylon sleeve bearing

How do innovations and advancements in nylon sleeve bearing technology impact their use?

The constant innovations and advancements in nylon sleeve bearing technology have a significant impact on their use. Here’s a detailed explanation of how these advancements influence the application and performance of nylon sleeve bearings:

  • Improved Performance:

Innovations and advancements in nylon sleeve bearing technology often lead to improved performance characteristics. Manufacturers continually develop new formulations, additives, and processing techniques to enhance the strength, load capacity, wear resistance, and overall performance of nylon bearings. These improvements enable nylon sleeve bearings to withstand higher loads, operate at elevated temperatures, resist chemicals, and exhibit better dimensional stability, resulting in enhanced performance and reliability in various applications.

  • Expanded Application Range:

Advancements in nylon sleeve bearing technology have expanded their application range. With improved performance capabilities, nylon bearings can now be used in a wider range of industries and applications. They are increasingly employed in automotive, aerospace, machinery, electronics, and many other sectors where low-friction, self-lubricating, and lightweight bearing solutions are desired. The expanded application range allows nylon sleeve bearings to replace traditional bearing materials in diverse environments and contribute to more efficient and cost-effective designs.

  • Specialized Solutions:

Innovations in nylon sleeve bearing technology have resulted in the development of specialized solutions for specific industries or challenging applications. Manufacturers have introduced nylon bearings with tailor-made properties to address unique requirements. For example, there are nylon sleeve bearings specifically engineered for high-speed applications, extreme temperatures, corrosive environments, or heavy loads. These specialized solutions provide industries with reliable and durable bearing options that are optimized for their specific needs.

  • Reduced Maintenance and Lubrication:

Advancements in nylon sleeve bearing technology have contributed to reduced maintenance and lubrication requirements. Self-lubricating properties have been enhanced through the incorporation of solid lubricants or additives within the nylon material. This reduces the need for frequent lubrication and minimizes the risk of lubricant contamination or breakdown. The improved self-lubrication characteristics of nylon bearings result in lower maintenance costs, extended bearing life, and improved operational efficiency in various applications.

  • Environmental Friendliness:

Innovations in nylon sleeve bearing technology have also focused on improving their environmental friendliness. Manufacturers are developing sustainable and eco-friendly nylon formulations by utilizing recycled materials or bio-based polymers. These advancements align with the increasing demand for environmentally conscious solutions in industries. The use of eco-friendly nylon sleeve bearings contributes to reducing the environmental impact of industrial operations and promotes sustainable practices.

In summary, innovations and advancements in nylon sleeve bearing technology have a profound impact on their use. Improved performance characteristics, expanded application range, specialized solutions, reduced maintenance and lubrication requirements, and environmental friendliness are among the key benefits arising from these advancements. As the technology continues to evolve, nylon sleeve bearings are becoming more versatile, reliable, and sustainable, meeting the evolving needs of various industries and driving advancements in engineering and design practices.

nylon sleeve bearing

Are there variations in nylon sleeve bearing designs and materials for specific applications?

Yes, there are variations in nylon sleeve bearing designs and materials to accommodate specific applications. Different applications may have unique requirements in terms of load capacity, operating conditions, environmental factors, and desired performance characteristics. Here’s a detailed explanation of the variations in nylon sleeve bearing designs and materials for specific applications:

Design Variations:

Nylon sleeve bearings can be designed in various configurations to meet specific application needs. Some common design variations include:

  • Straight Sleeve Bearings: These are the most basic design, featuring a cylindrical shape with a straight bore. They are suitable for applications with moderate loads and low speeds.
  • Flanged Sleeve Bearings: These bearings have an added flange on one end, which provides axial support and helps in proper alignment. Flanged bearings are often used in applications where axial movement needs to be restricted.
  • Thrust Washers: These are flat or washer-like nylon bearings that are used to provide axial support and reduce friction between moving parts in thrust applications.
  • Customized Designs: In some cases, nylon sleeve bearings can be customized or engineered to meet specific application requirements. This may involve modifications in dimensions, shapes, or features to optimize performance.

Material Variations:

While nylon is the primary material used for sleeve bearings, there are variations in the composition and formulation of nylon to suit different applications. Some common material variations include:

  • Standard Nylon: This is the most commonly used nylon material for sleeve bearings. It offers good wear resistance, low friction, and self-lubricating properties.
  • Reinforced Nylon: Reinforced nylon bearings are infused with fillers such as glass fibers or other additives to enhance their mechanical properties. These bearings exhibit improved strength, stiffness, and higher load-carrying capacity compared to standard nylon bearings.
  • Food-Grade Nylon: Nylon bearings can be manufactured from food-grade or FDA-approved nylon materials. These bearings are designed to meet strict hygiene and safety standards and are suitable for applications in the food and beverage industry.
  • High-Temperature Nylon: For applications involving elevated temperatures, special high-temperature nylon formulations are available. These bearings can withstand higher operating temperatures without significant loss of mechanical properties.
  • Chemically Resistant Nylon: In applications where exposure to chemicals or corrosive substances is a concern, chemically resistant nylon bearings are used. These bearings are formulated to resist degradation or damage from specific chemicals.

The choice of nylon sleeve bearing design and material depends on the specific application requirements and operating conditions. Engineers and designers consider factors such as load capacity, speed, temperature, environmental conditions, lubrication needs, and industry regulations when selecting the appropriate design and material for their applications.

In summary, there are variations in nylon sleeve bearing designs and materials to cater to specific applications. Design variations include straight sleeve bearings, flanged sleeve bearings, thrust washers, and customized designs. Material variations include standard nylon, reinforced nylon, food-grade nylon, high-temperature nylon, and chemically resistant nylon. The selection of design and material depends on the unique requirements and operating conditions of the application.

nylon sleeve bearing

Can you describe the load-carrying capacity and load ratings of nylon sleeve bearings?

Nylon sleeve bearings have specific load-carrying capacities and load ratings that are important considerations when selecting and designing for their use. Here’s a detailed description of the load-carrying capacity and load ratings of nylon sleeve bearings:

Nylon sleeve bearings are designed to support loads and provide a low-friction interface between moving parts. The load-carrying capacity of a nylon bearing refers to its ability to withstand and distribute the applied loads without excessive deformation or failure. The load ratings provide guidance on the maximum loads that a bearing can handle under specific operating conditions.

The load-carrying capacity of nylon sleeve bearings depends on various factors, including the bearing’s dimensions, design, material composition, and operating conditions. Nylon bearings are typically designed for moderate to light loads. They are suitable for applications where the loads are within the specified limits and do not exceed the bearing’s capabilities.

When considering the load ratings of nylon sleeve bearings, there are two primary ratings to consider:

  • Static Load Rating:

The static load rating indicates the maximum load that a nylon bearing can withstand without experiencing permanent deformation. It represents the maximum load that can be safely applied to the bearing when it is stationary or subjected to very slow rotational or oscillatory motions. Exceeding the static load rating can lead to excessive deformation, increased friction, and potential bearing failure.

  • Dynamic Load Rating:

The dynamic load rating specifies the maximum load that a nylon bearing can safely handle under constant rotational or oscillatory motion. It represents the load capacity when the bearing is in continuous motion. The dynamic load rating takes into account the bearing’s ability to distribute the applied load, minimize friction, and maintain reliable operation over an extended period. Exceeding the dynamic load rating can lead to premature wear, increased friction, and potential bearing failure.

It’s important to note that the load ratings provided for nylon sleeve bearings are typically determined through standardized testing procedures, such as those specified by the American National Standards Institute (ANSI) or International Organization for Standardization (ISO). These ratings serve as guidelines to help engineers and designers select bearings that can meet the expected load requirements of their specific applications.

It’s also crucial to consider other factors that can affect the load-carrying capacity of nylon bearings, such as temperature, speed, lubrication, and environmental conditions. Operating beyond the recommended load ratings or in harsh conditions can reduce the bearing’s performance, increase wear, and potentially lead to premature failure.

In summary, the load-carrying capacity and load ratings of nylon sleeve bearings depend on various factors, including the bearing design, dimensions, material composition, and operating conditions. Nylon bearings are typically designed for moderate to light loads and have specified static and dynamic load ratings. Adhering to the recommended load ratings and considering other operating factors are essential for ensuring reliable and long-lasting performance of nylon sleeve bearings.

China Hot selling Graphite Bearing 75*85*70 mm Bronze Bushing Nylon Bushing Carbon Bush Bronze Fan Bushing Oilless Bearing for Excavator   drive shaft bearingChina Hot selling Graphite Bearing 75*85*70 mm Bronze Bushing Nylon Bushing Carbon Bush Bronze Fan Bushing Oilless Bearing for Excavator   drive shaft bearing
editor by CX 2024-03-06