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Understanding the Importance of Selecting the Correct Size of Flange Bushings for Mechanical and Industrial Applications
Introduction to flange bushings by size and why they are important
Flange bushings by size are an essential component in many mechanical and industrial applications. They are designed to fit precisely into flanged holes and provide a bearing surface for shafts or other moving parts, reducing friction and wear. The correct size of flange bushing is critical to ensure proper operation and longevity of the equipment it is used in. Choosing the wrong size of flange bushing can result in increased friction, wear, and ultimately lead to equipment failure. Therefore, understanding the importance of selecting the correct size of flange bushing is essential for anyone working in the mechanical or industrial fields.
Selecting the correct size of flange bushings
Selecting the correct size of flange bushing is crucial to ensure the proper functioning and longevity of equipment. The flange bushing serves as a bearing surface, reducing friction and wear between two metal parts. If the flange bushing is too small, it may not fit properly, resulting in increased friction and wear on both the bushing and the surrounding parts. On the other hand, if the flange bushing is too large, it may not fit into the flanged hole, resulting in misalignment or damage to the equipment. Choosing the right size of flange bushing is also essential for maintaining equipment accuracy and precision, as any misalignment or wear caused by an incorrect size can affect the performance of the equipment. Therefore, selecting the correct size of flange bushing is vital for ensuring equipment reliability, efficiency, and longevity.
Categorizing Flange Bushings by Size for Easy Selection and Proper Fit in Industrial and Mechanical Applications
Small (1-2 inches)
Medium (2-4 inches)
Large (4-6 inches)
Extra Large (6+ inches)
Download your flange bushings size chart
- Small Flange Bushings: These flange bushings typically range in size from 1 to 2 inches and are commonly used in small equipment, such as small motors or pumps.
- Medium Flange Bushings: These flange bushings typically range in size from 2 to 4 inches and are commonly used in medium-sized equipment, such as generators or compressors.
- Large Flange Bushings: These flange bushings typically range in size from 4 to 6 inches and are commonly used in larger equipment, such as turbines or heavy machinery.
- Extra Large Flange Bushings: These flange bushings are designed for equipment with flange holes larger than 6 inches in diameter. They are commonly used in large-scale industrial equipment, such as marine engines or power plants.
Categorizing flange bushings by size allows for easy identification and selection of the appropriate bushing for a specific application. It is important to choose the correct size of flange bushing to ensure proper fit, function, and longevity of the equipment.
Measuring Flange Bushings: Essential Steps for Proper Selection and Fit in Industrial and Mechanical Applications
Measuring flange bushings is an essential step in determining the correct size needed for a specific application. The following steps can help determine the correct size of flange bushing required:
Measure the flanged hole diameter: Use a caliper or micrometer to measure the diameter of the flanged hole where the flange bushing will be installed.
Measure the shaft diameter: Use a caliper or micrometer to measure the diameter of the shaft that will be inserted into the flange bushing.
Calculate the required bushing size: Subtract the shaft diameter from the flanged hole diameter. The result is the required bushing size, which is typically the bushing’s inside diameter.
It is important to note that some flange bushings may have different inside and outside diameters. In such cases, it is essential to measure both the inside and outside diameters to ensure the correct size bushing is selected.
Additionally, it is essential to ensure that the flange bushing’s length is appropriate for the application. The length of the flange bushing should be sufficient to provide the necessary support to the shaft while allowing enough clearance for movement.
By accurately measuring the flange bushing’s size, the correct bushing can be selected, ensuring proper fit, function, and longevity of the equipment.
The Benefits of Using Correctly Sized Flange Bushings in Industrial and Mechanical Equipment
Using correctly sized flange bushings provides several benefits for industrial and mechanical equipment:
Reduced friction and wear: Flange bushings serve as a bearing surface, reducing friction and wear between two metal parts. Correctly sized flange bushings ensure that the shaft is adequately supported, reducing the risk of damage due to friction and wear.
Improved equipment performance: Choosing the correct size of flange bushing helps ensure proper alignment and operation of equipment, allowing for optimal performance and accuracy.
Extended equipment lifespan: Flange bushings help reduce the wear and tear on equipment, allowing it to operate more efficiently and for longer periods, reducing the need for frequent repairs or replacements.
Enhanced safety: Using correctly sized flange bushings helps maintain equipment safety and reliability by ensuring that the equipment is functioning correctly, minimizing the risk of accidents or damage.
Cost savings: Choosing the correct size of flange bushing can help reduce maintenance costs by preventing premature wear and tear on equipment and reducing the need for frequent replacements or repairs.
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Base Material Special Brass (SO#50SP2)
SOB flanged bushings bearing consists of high wear-resistant copper casting alloy, whose sliding surface is uniformly provided with a certain percentage of solid lubricant plug according to the working conditions, high strength copper alloy provides high load-bearing capacity, and solid lubricant can form low-speed operation.
High-strength copper alloy provides high load-bearing capacity, and solid lubricant can form a low-friction film.
Custom Flanged Bushings
We offer precision machined flanged bearings and flanged bushings in a variety of sizes. Select your flange bearing size on our website for customization.
The graphite bronze flange bushings support a wide range of applications and loads.
The diameter of the mounting shaft determines the bore diameter of the corresponding flange bearing.
The required load-carrying capacity of a flanged bearing depends on the radial and thrust stresses exerted on the bearing.
Traditional flanged bearings will be used in some cases, but heavier loads may require heavier bearings.
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The Premier Source for Flanged Bushings Online
How to measure flange bushings by size?
Flanged bushings are sleeve-type bearings with a “flange” or “shoulder” on one end. Flanges have multiple functions. It helps with alignment and installation of bearings. It can also help simplify bearing installation.
Flange bushings have 5 different parts. Inside Diameter (ID), Outside Diameter (OD), Overall Bushing Length (OAL), Flange Outside Diameter (FLOD) and Flange Thickness (FLTH).

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There Are Many Different Types of Self-lubricating Bronze Bushings That Are Used in Various Applications. Get the perfect fit for your equipment with our custom graphite bushings built to your exact specifications. Our high-quality bushings offer reliable and efficient equipment performance, ensuring smooth operations and reduced downtime. Contact us today to discuss your unique needs.
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Find the perfect flange bushing solution for your equipment needs with our online selection of high-quality sleeve bearings with flanges. Our expert team can help you select the right product for reliable and efficient equipment performance. Contact us today to explore our online flange bushing solutions.
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Reliable from production to shipment, you can trust our custom flange bushings factory to deliver high-quality and reliable products. With our expert team and advanced manufacturing technology, we can meet your exact specifications and ensure efficient equipment performance. Contact us today to learn more about our customized solutions.
Choose Your Flanged Bushings by Size for Reliable Equipment Performance
Find the right flanged bushings by size for your equipment needs and enjoy high-quality, competitive pricing. Our flange bushings offer reliable and efficient equipment performance, and we source our products from trusted suppliers in China. Contact us today to discuss your needs and get started.

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Seiko meticulous, and machinery coordination work, greatly improve the efficiency of mechanical operation. Our high-quality flange bearings are designed to provide reliable and efficient high-speed performance for your equipment. With our expertise in bearing technology, we can help you achieve optimal results and extend the lifespan of your machinery. Contact us today to learn more about our solutions for high-speed running.
SELF-LUBRICATING bushings
Oil-Free Lubricated Bronze Bearings for Reliable Equipment Performance
Our oil-free lubricated bronze bearings with high temperature resistance, wear resistance, maintenance free offer reliable and efficient equipment performance without the need for additional lubrication. Designed for a variety of applications, our high-quality bushings are built to last and ensure smooth operations with reduced downtime. Contact us today to learn more about our solutions for oil-free lubrication.


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Ensuring Quality and Performance with Strict Bushing Testing
Professional production, precision testing, in line with industry standards, low loss, effectively extend the service life. Our bushings undergo rigorous testing to meet industry standards for quality and performance. With our commitment to excellence, you can trust our products to provide reliable and efficient equipment operation. Contact us today to learn more about our strict testing process and how we can help you achieve optimal results.
Download the Self-lubricating Oilless Flange Bushings Catalog.
Design & build completely custom layouts
View our standard bronze flange bushings size chart to find the right size for your industry application needs. Download our Self-Lubricating Oilless Flange Bushings Catalog today and explore our wide selection of high-quality bushings. Our catalog includes detailed product information, sizes, and specifications to help you find the perfect solution for your equipment needs. Contact us to request your copy now.
Long-Lasting, Self-Lubricating Flange Bushings by Size with Graphite Material
We offer flange bearings and bronze flange bushings in a variety of sizes. Choose your flange bearing size on our site for your custom fit. Experience reliable and long-lasting equipment performance with our self-lubricating flange bushings by size, featuring high-quality graphite material. Our bushings require little to no additional lubrication, reducing maintenance requirements and improving equipment efficiency. Contact us today to learn more about our customizable solutions for your unique equipment needs.
Customized bushing solutions
Exploring Different Types of Sleeve Bushings by Size for Your Equipment Needs
Custom Bushing Solutions For Your Engineering Needs.
Self-Lubricating Flange Bearing, Mm. Bronze Flange Bushing. Id X Od. Length. Flange Thickness & Length.
Whether it is about the sizes, material, or designs, we can create a unique bearing for you.
Self-Lubricating Bronze Flange Bushings for Various Industries
Our high-quality self-lubricating bronze flange bushings are perfect for a range of industries, including building material shops, machinery repair shops, retail, and construction companies. As a quality supplier of bronze flanged bushings and sleeve bearings, we offer a wide selection of products to meet your specific needs. Explore our online catalog and request a quote today
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Self-Lubricating Flange Bronze Bushings Apply To Building Material Shops, Machinery Repair Shops, Retail, And Construction Companies, And Much More. Quality Self-Lubricating Bronze Flange Bushings & Bronze Flanged Bushing And Sleeve Bearing Supplier. See Our Online Oilless Bushings Catalog & Request A Quote!
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Oil-Free Bushing – Brass Alloy, Shouldered
These components are made of solid aluminum bronze and are available with or without self-lubricating graphite. Flange Bushings are available in a wide range of industry sizes.
What is a Brass Alloy, Shouldered Bushing by Size?
A brass alloy, shouldered bushing by size is a type of oil-free bushing designed for use in a variety of applications, including machinery, industrial equipment, and automotive systems. It is made from a high-quality brass alloy that provides excellent wear resistance and durability. The bushing is shouldered, meaning that it has a collar or flange on one end that helps to keep it securely in place.
One of the key benefits of the brass alloy, shouldered bushing by size is that it does not require any additional lubrication. This is because the brass alloy material is self-lubricating, which means that it can operate smoothly without the need for oil or grease. This not only reduces maintenance requirements but also eliminates the risk of oil or grease contamination, which can cause damage to the equipment or surrounding environment.
Advantages of Brass Alloy, Shouldered Bushing by Size
There are several advantages to using a brass alloy, shouldered bushing by size in your equipment. Some of the most notable benefits include:
Reduced maintenance requirements: Because the bushing does not require additional lubrication, maintenance requirements are significantly reduced. This can save time and money in the long run, as well as reduce the risk of equipment failure due to inadequate lubrication.
Improved efficiency: Oil-free bushings can operate more efficiently than lubricated bushings, as there is less friction and less energy is lost due to heat or other factors. This can lead to improved equipment performance and reduced energy consumption.
Self-lubricating: The brass alloy material used in the shouldered bushing by size is self-lubricating, which means that it can operate smoothly without the need for oil or grease. This not only reduces maintenance requirements but also eliminates the risk of oil or grease contamination.
Durability: Brass alloy is a high-quality material that is known for its wear resistance and durability. This means that the shouldered bushing by size is able to withstand high loads and prolonged use, providing reliable and long-lasting performance.
Flange Bearings Metric Size
Item No. | ID | OD | Length | Material |
SELF-LUBRICATING FLANGE BEARINGS 20×15 | 20 | 30 | 15 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 20×20 | 20 | 30 | 20 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 20×25 | 20 | 30 | 25 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 20×30 | 20 | 30 | 30 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 20×40 | 20 | 30 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 25×15 | 25 | 35 | 15 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 25×20 | 25 | 35 | 20 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 25×25 | 25 | 35 | 25 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 25×30 | 25 | 35 | 30 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 25×40 | 25 | 35 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 30×20 | 30 | 40 | 20 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 30×25 | 30 | 40 | 25 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 30×30 | 30 | 40 | 30 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 30×35 | 30 | 40 | 35 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 30×40 | 30 | 40 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 30×50 | 30 | 40 | 50 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 31×20 | 31 | 40 | 20 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 31×35 | 31 | 40 | 35 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 35×20 | 35 | 45 | 20 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 35×30 | 35 | 45 | 30 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 35×40 | 35 | 45 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 35×50 | 35 | 45 | 50 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 40×20 | 40 | 50 | 20 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 40×30 | 40 | 50 | 30 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 40×40 | 40 | 50 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 40×50 | 40 | 50 | 50 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 45×30 | 45 | 55 | 30 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 45×40 | 45 | 55 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 45×50 | 45 | 55 | 50 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 45×60 | 45 | 55 | 60 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 50×30 | 50 | 60 | 30 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 50×40 | 50 | 60 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 50×50 | 50 | 60 | 50 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 50×60 | 50 | 60 | 60 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 55×40 | 55 | 65 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 55×60 | 55 | 65 | 60 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 60×40 | 60 | 75 | 40 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 60×50 | 60 | 75 | 50 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 60×80 | 60 | 75 | 80 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 63×67 | 63 | 75 | 67 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 70×50 | 70 | 85 | 50 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 70×80 | 70 | 85 | 80 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 75×60 | 75 | 90 | 60 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 80×60 | 80 | 100 | 60 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 80×80 | 80 | 100 | 80 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 80×100 | 80 | 100 | 100 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 90×60 | 90 | 110 | 60 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 90×80 | 90 | 110 | 80 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 100×80 | 100 | 120 | 80 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 100×100 | 100 | 120 | 100 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 120×80 | 120 | 140 | 80 | Bronze/Graph |
SELF-LUBRICATING FLANGE BEARINGS 120×100 | 12 | 140 | 100 | Bronze/Graph |
Efficient Oilless Bearings Solutions for Your Equipment Needs
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