Official Stainless Steel Bushings Site, Self-lubricating Bushing

Explore our range of self-lubricating bearing materials, delve into various bushing types, and discover our extensive online parts catalog.

A stainless steel bushing that is self-lubricating and made of a composite metal polymer is a type of bearing with special properties. Stainless Steel Bushing: A bushing is a type of bearing that is typically used to reduce friction between two parts. In this case, the bushing is made of stainless steel, a strong, durable, and corrosion-resistant material. Self-Lubricating: This means the bushing is designed to reduce friction without the need for additional lubrication. This is usually achieved by incorporating a material that naturally reduces friction or by using a design that distributes a small amount of lubricant over time.

Composite Metal Polymer: This is a type of material made from combining metal and polymer. The metal provides strength and rigidity, while the polymer can offer benefits such as reduced weight, increased flexibility, and, in some cases, natural lubrication.

DU Stainless Steel Bearing Self Lubricating Bush

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custom-made, high-quality stainless steel bushings that are designed to optimize performance, especially in harsh and corrosive environments.

These self-lubricating bushings are part of driving the future of mobility, providing friction reduction in various types of machinery and vehicles. They are made with Stainless Steel 316, a type of steel known for its superior corrosion resistance. This makes them suitable for conditions that are harsh and highly corrosive. The Stainless Steel 316 Bushing is coated with PTFE (Polytetrafluoroethylene), a polymer that has an extremely low friction coefficient, which further enhances the self-lubricating capabilities of the bushing. This combination of stainless steel and PTFE creates a bearing that is both durable and low-friction. These bearings are lead-free, which makes them a safer choice for both people and the environment. Additionally, they have several key resistance properties:

Acid-Resistant: They can withstand exposure to many different types of acid without degrading.
Alkaline-Resistant: They are also resistant to alkaline substances, which can be just as corrosive as acids.
Ocean Water Resistant: These bushings can resist the corrosive effects of saltwater, making them suitable for marine applications.
Environmental Protection: These bushings are not only durable and resistant to harsh conditions, but they are also environmentally friendly due to their lead-free nature.
These bushings have a wide range of uses. For example, they are used in the chemical industry as a hydraulic valve for acid and alkalization flow measurement, where they can withstand the corrosive effects of the chemicals being measured. In the marine industry, they are used in anti-corrosion sliding positions, where they can resist the corrosive effects of ocean water.

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flange bearing

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strips

self-lubricating stainless steel bushings thrust washer

Thrust Bearing

85%

Product Quality Index

92%

Energy Generation

Stainless Steel PTFE Lined Bushing

A self-lubricating composite metal polymer stainless steel bushing, then, is a bearing that combines the strength and durability of stainless steel with the benefits of a composite metal polymer. The self-lubricating property reduces the need for maintenance, as no additional lubrication is needed, making it an ideal choice for applications where regular maintenance is difficult or impossible. These bushings are often used in various industries, including automotive, aerospace, and industrial machinery, among others. Customer customization services. Delivering innovative stainless steel bushing solutions to meet your request.

These properties make these Stainless Steel 316 bushings an ideal choice for any application where durability, resistance to harsh conditions, and low maintenance are required. They are truly a testament to the saying, “Made to Order, Manufactured to Optimize.”

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Stainless Steel PTFE Lined Bushing

Custom-sized stainless steel bushings, enhanced with self-lubricating features, can be tailored to meet specific applications and requirements. The choice of material for these sliding bearing bushings often includes stainless steel integrated with self-lubricating components like PTFE (Polytetrafluoroethylene). This selection is influenced by critical factors such as the bushing’s load-bearing capacity, operational temperature range, and the environmental context of its use. Utilizing self-lubricating materials like PTFE not only lowers maintenance needs but also boosts the bushing’s reliability. The material’s selection should align with the unique demands of the application, including exposure to various loads, operational speeds, and environmental conditions.

In producing stainless steel bushings with self-lubricating attributes, it’s essential to account for operational parameters like load, speed, temperature, and environmental influences, along with any bespoke design specifications. These self-lubricating properties significantly diminish the need for maintenance and enhance the bushings’ reliability, rendering them apt for a diverse array of applications.

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Bushing Project Update: Transition to Composite Stainless Steel Self-Lubricating Bushings

Explore our online range of stainless steel bushings! These innovative components offer higher load capacities, reduced costs, and the advantages of being maintenance-free. They provide significant space and weight savings. Our stainless steel bearing parts are designed with a low friction coefficient, manufactured with precision by recognized stainless steel bearing producers.

Our modified bushing design includes:

PTFE and Lead Mixture (0.01~0.03mm++): This wear-resistant material enables the formation of a protective transfer film, safeguarding the grinding shaft during operation.
Copper Powder Layer (0.2~0.3mm): This layer enhances the bonding strength between PTFE/Pb++ and the steel plate, offering robust bearing capacity and wear resistance. Copper’s excellent thermal conductivity swiftly dissipates heat generated during bearing operation.
Low Carbon Steel Base (0.7~2.3mm): This base strengthens the overall bearing capacity and improves heat transfer efficiency.
Copper/Tin Coating: With a copper coating of 0.008mm and a tin layer of 0.005mm++, this coating ensures superior corrosion resistance for the bearings.

These enhancements make our stainless steel self-lubricating bushings an optimal choice for various applications, ensuring reliability, efficiency, and longevity.

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Switch from Steel Bushings – Composites Stainless Steel Bearing Self Lubricating Bush

SF-1 and SF-1S are both types of self-lubricating bearings, but they have some differences in their composition and manufacturing process. SF-1S is a three-layer composite structure. It consists of a stainless steel layer, a copper powder layer, and a layer of PTFE (polytetrafluoroethylene). The sintering method is used to bond these layers together. This type of bearing offers excellent lubrication properties and is suitable for heavy loads, low speeds, reciprocating or swinging motions, and environments where it is difficult to form an oil film. SF-1S bearings are also resistant to water and acid erosion. They are commonly used in metallurgical continuous casting machines, steel rolling equipment, mining machinery, ships, steam turbines, water turbines, injection molding machines, and production lines.

On the other hand, SF-1SS is a two-layer composite structure. It consists of a stainless steel layer and a layer of PTFE. However, the bonding process used is spraying instead of sintering. SF-1SS bearings also provide self-lubrication and can withstand heavy loads, high temperatures, and challenging lubrication conditions. They are resistant to water and acid erosion as well.

Both SF-1S and SF-1SS bearings are designed to be oil-free and have longer working lives compared to ordinary sliding bearings. They offer high bearing capacity, impact resistance, and self-lubricating properties. These characteristics make them suitable for applications where oil and energy savings are desired.

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CHOOSE YOUR BUSHING MATERIAL

Self-lubricating stainless steel bushings manufactured in China provide a robust and economical option for diverse sectors, including agriculture, construction, and automotive. Engineered to withstand high-load scenarios and varying temperature ranges, these bushings are built to minimize maintenance due to their self-lubricating characteristics. In selecting the appropriate bushing type and size for a particular application, it is crucial to evaluate aspects such as the capacity to bear loads, the range of operating temperatures, and the specific environmental factors involved. The inherent self-lubricating feature of these bushings plays a key role in ensuring consistent and efficient performance of machinery and equipment across a multitude of applications.

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This stainless steel bushing is a composite of multiple layers, each with its own role:

Stainless Steel Backing (0.7-2.3mm): This forms the sturdy, durable, and corrosion-resistant base of the bushing. Stainless steel is known for its strength and resistance to rust and other forms of corrosion.
Porous Bronze (0.2-0.3mm): This layer is added to the stainless steel backing. Bronze is a good conductor of heat, which helps to dissipate heat during operation, and the porous nature allows it to hold and gradually release the PTFE and polymer lubricant.
PTFE with Polymer (0.01-0.03mm): This is the top layer that comes in direct contact with the moving parts. PTFE (Polytetrafluoroethylene) is a type of polymer that has one of the unbeatable friction coefficients of any solid, which means it’s excellent at reducing friction. The polymer mixed with the PTFE also helps in reducing friction and enhancing the self-lubricating property of the bushing.

These layers, together, make up the bushing and each contributes to its properties. One of the key benefits of this structure is its low friction coefficient, which helps to reduce wear and extend the lifetime of both the bushing and the parts it’s interacting with. Additionally, the structure offers good anti-corrosion properties, making it suitable for use in environments where it might be exposed to corrosive substances. The bushing is available in various sizes, meaning it can be used in a wide range of applications, wherever a specific size of bushing is required.

The properties of wrapped stainless steel bushing

These properties make this wrapped stainless steel bushing highly versatile and capable of being used in a variety of challenging applications, thanks to its high load capacity, wide temperature range, and low friction coefficient.

Load Capacity (140N/mm^2): This is the maximum load or force that the bushing can withstand without failing. The load capacity of this bushing is 140 Newtons per square millimeter, which is quite high, indicating that it can support substantial weight or force.
Temperature (-195~+280°C): This is the operating temperature range of the bushing. It can function effectively in temperatures as low as -195 degrees Celsius and as high as +280 degrees Celsius, making it suitable for use in a wide range of environments.
Speed Limit (2.5m/s): This is the maximum speed at which parts can move against the bushing without causing damage or excessive wear. The speed limit of this bushing is 2.5 meters per second.
Friction Coefficient (0.04~0.20): Also represented as “μ”, this value indicates the amount of friction that occurs between two surfaces. A lower coefficient means less friction, which generally leads to less wear and a longer lifespan for the bushing. This bushing has a friction coefficient range from 0.04 to 0.20, which is relatively low and thus beneficial for reducing wear.
PV Limit (dry) (3.6N/mm^2.m/s): The PV limit is a measure of the maximum mechanical stress that the bushing can withstand without failure when it is dry. It is calculated as the product of pressure (P) and velocity (V). This bushing has a dry PV limit of 3.6 Newtons per square millimeter per meter per second.
PV Limit (oil) (50N/mm^2.m/s): This is the PV limit when the bushing is lubricated with oil. The oil reduces friction and therefore allows the bushing to withstand a higher PV limit. In this case, the limit is 50 Newtons per square millimeter per meter per second.

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Stainless steel bushings

Stainless steel bushings can provide the right balance for success in various industries such as agriculture, construction, automotive, and more. Stainless steel bushings are available in a wide range of sizes, from 0606 (6x8x6mm) to 300100 (300x305x100mm), which makes them versatile for different uses. The variety of sizes allows them to fit into numerous applications, be it small machinery in an automotive application or large-scale agricultural equipment. Learn more about our expertise & capabilities of stainless steel bushing.

Sleeve Stainless Steel Bushing: These are simple cylindrical bearings. They provide excellent load-bearing capabilities and are often used in applications where there are rotational movements.
Flanged Stainless Steel Backed Bushing: These have a flange at one end, which serves as a built-in thrust bearing surface. This design is suitable when axial loads are present, and it can also help with positioning during installation.
Thrust Washer: These are flat bearings that are used to support an axial load, or load parallel to the axis of rotation. They’re often used in applications where space is limited.
Slide Wear Plate: These are plates designed to handle both the wear and sliding motion. They are often used in high-load, low-speed applications, or where there are oscillating movements.
Stainless Steel Bushing PTFE Strip: This is a strip of self-lubricating bushing material, which can be cut and shaped to meet specific requirements. This offers flexibility in applications where standard bushing sizes may not fit.