Bush Bearing Material: Understanding the Basics

Bush bearings, also known as plain bearings, are an essential component in many mechanical systems. They help reduce friction and wear between two moving parts and also assist in maintaining their relative position. Bush bearings are typically made of metal or non-metal materials, with each having its advantages and disadvantages. In this article, we will focus on the various types of bush bearing materials, custom bearing bush size, and provide a table of different self-lubricating bearing bush types and their technical data.

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Types of Bush Bearing Materials

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Bronze: Bronze is a popular material for bush bearings due to its excellent wear resistance, high strength, and good thermal conductivity. However, it requires lubrication to function properly, and in certain conditions, it can suffer from corrosion.

Graphite: Graphite is an excellent self-lubricating material and does not require additional lubrication. It has a high temperature tolerance and low coefficient of friction, making it ideal for use in high-temperature applications.

Plastic: Plastic bush bearings are made from various types of thermoplastics, such as PTFE, nylon, and acetal. They are lightweight, corrosion-resistant, and offer excellent wear resistance. However, they have lower load-bearing capacities compared to metal bush bearings.

Steel: Steel bush bearings are the most common type of bush bearing material. They are strong, durable, and can withstand high loads and temperatures. However, they require lubrication to prevent wear and tear.

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Get insights and ideas from viiplus experts —your home for industrial plain bearing news, engineering stories, and helpful tips and tricks for optimizing your markets or application. With the recent growth of the product line, we have continued to provide the standard and custom bearing options. With the innovative designs to fit the needs of our customers, the opportunities are endless for custom rollers.

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Our cost-effective bearing bushes offer exceptional value for money, without compromising on quality or performance.

Need a reliable supplier of bearing bushes? Look no further than our company - we offer top-quality products and exceptional customer service. Our extensive range of bearing bushes offers solutions for all types of machinery, from small equipment to heavy-duty industrial systems. Keep your machines running smoothly with our range of self-lubricating bearing bushes, perfect for applications with high radial loads.

  • Our advanced bearing bushes are designed to reduce noise and vibration, ensuring a smoother and more efficient operation.

  • Our maintenance-free bearing bushes eliminate the need for constant lubrication, reducing maintenance costs and downtime.

  • Upgrade your machinery's performance with our top-of-the-line bearing bushes, designed to handle even the most demanding applications.

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Our maintenance-free bearing bushes eliminate the need for constant lubrication, reducing maintenance costs and downtime.

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From standard to custom-made bearing bushes, we have everything you need to keep your machines running smoothly.


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Upgrade your machinery with our premium-quality bearing bushes, designed for high-speed and heavy-duty applications.

Selecting the right bush bearing material and size is critical to ensure efficient and reliable operation of mechanical systems. Consideration should be given to the operating conditions, load capacity, and speed when selecting the right material and size. With the variety of bush bearing materials and sizes available, it is important to work with an experienced supplier who can assist in selecting the best material and size for your specific application. Say goodbye to costly machinery downtime with our reliable and long-lasting bearing bushes, designed for optimal performance.

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Looking for high-quality bearing bushes? Look no further! Our range of bearing bushes ensures maximum durability and reliability.

Looking for bearing bushes that can handle extreme temperatures and harsh environments? Check out our range of specialized options.

Custom Bearing Bush Size: Bush bearings come in various sizes and shapes, and it is essential to select the right size for your specific application. A custom bearing bush size may be required if the standard size is not available or if the application requires a non-standard size. It is important to consider the operating conditions, load capacity, and speed when selecting the right bush bearing size. Our high-precision bearing bushes are designed to meet the demands of even the most challenging industrial applications.

Table of Self-Lubricating Bearing Bush Types and Technical Data

Bearing TypeMaterialMaximum Load (N/mm²)Maximum Temperature (°C)Coefficient of Friction
PTFEPolytetrafluoroethylene252500.04 - 0.10
NylonPolyamide151200.15 - 0.25
AcetalPolyoxymethylene181100.14 - 0.20
GraphiteGraphite104000.02 - 0.05
BronzeBronze202500.08 - 0.14
SteelSteel353000.10 - 0.20

Advantages of Oilless bearing Bushes

Oilless bushes, also known as self-lubricating bushes or dry bushes, are a type of bearing that offers a low-friction, maintenance-free solution for various industrial and mechanical applications. These bushes do not require any external lubrication, making them a convenient and cost-effective option for many engineers and designers. This article will discuss the advantages of oilless bushes, their materials and types, and potential applications.

  • Maintenance-free operation: Oilless bushes eliminate the need for external lubrication, reducing maintenance costs and downtime.
  • Extended service life: The self-lubricating properties of oilless bushes result in reduced wear and increased lifespan, especially in applications with intermittent or oscillating movements.
  • Environmental benefits: By eliminating the need for oil or grease, oilless bushes are an environmentally friendly option, reducing the risk of contamination and pollution.
  • High resistance: Oilless bushes are resistant to corrosion, chemical exposure, and extreme temperatures, making them suitable for a wide range of operating conditions.
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cost-effective bearing bushes With our wide range of bearing bushes

Don't let worn-out bearing bushes slow down your machinery. Replace them with our top-of-the-line options for maximum performance. Our self-lubricating bearing bushes reduce maintenance and increase efficiency, making them the perfect choice for any industrial application.

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