A bushing is essentially a simplified form of a sliding bearing, typically a hollow cylindrical structure. It fits between a shaft and a housing, fulfilling its core function of reducing direct friction between the shaft and housing.
The "one-inch" designation specifically refers to its critical dimension, approximately 25.4mm in metric measurements.
Bronze is its core material, a popular choice for bushings due to its excellent wear resistance, corrosion resistance, and anti-friction properties.
The role of bushings
1-inch bronze bushings are primarily used to support and protect shafts or bores with a diameter of 1 inch (approximately 25.4 mm). They form a wear-resistant layer between the shaft and the housing, reducing friction and wear, while also dispersing pressure during operation and preventing direct metal contact. Because bronze is wear-resistant, corrosion-resistant, and adaptable to high-temperature environments, it not only ensures smooth shaft operation but also extends equipment life. Maintenance costs can be reduced by replacing the bushing during maintenance.
Bush Bronze Advantage
Friction Reduction
Installing copper bushings between rotating or sliding parts can reduce friction between metal surfaces in direct contact.
High Wear Resistance
Copper alloys have high wear resistance, making them suitable for high-load, long-duration applications.
Self-Lubrication
Some copper alloys exhibit excellent self-lubrication properties, eliminating the need for additional lubricants such as oil or grease.
Corrosion Resistance
Copper alloys are highly resistant to most chemicals, making them suitable for harsh environments.
Installation and Maintenance
Installation is relatively simple, and replacement or repair is easy.
Good Thermal Conductivity
Bronze has a much higher thermal conductivity (approximately 60-120 W/(m·K)) than plastic bushings, quickly dissipating heat generated by friction.
Parameter Table
| Inner Diameter | Outer Diameter | Accuracy level | Width (mm) |
Cage And Material |
Weight (kg) |
| 6 | 10 | P0 | 15 | Bronze | 0.02 |
| 8 | 12 | P0 | 15 | Bronze | 0.02 |
| 8 | 12 | P0 | 20 | Bronze | 0.03 |
| 8 | 12 | P0 | 25 | Bronze | 0.03 |
| 10 | 14 | P0 | 25 | Bronze | 0.04 |
| 10 | 14 | P0 | 30 | Bronze | 0.04 |
| 12 | 18 | P0 | 25 | Bronze | 0.07 |
| 12 | 18 | P0 | 30 | Bronze | 0.07 |
| 16 | 22 | P0 | 25 | Bronze | 0.08 |
| 16 | 22 | P0 | 30 | Bronze | 0.09 |
| 16 | 22 | P0 | 35 | Bronze | 0.10 |
| 16 | 22 | P0 | 40 | Bronze | 0.11 |
| 20 | 28 | P0 | 30 | Bronze | 0.15 |
| 20 | 28 | P0 | 35 | Bronze | 0.16 |
| 20 | 28 | P0 | 40 | Bronze | 0.18 |
| 20 | 28 | P0 | 50 | Bronze | 0.20 |
| 25 | 33 | P0 | 30 | Bronze | 0.18 |
| 25 | 33 | P0 | 35 | Bronze | 0.19 |
| 25 | 33 | P0 | 40 | Bronze | 0.21 |
| 25 | 33 | P0 | 50 | Bronze | 0.24 |
| 25 | 33 | P0 | 60 | Bronze | 0.27 |
| 30 | 38 | P0 | 30 | Bronze | 0.27 |
| 30 | 38 | P0 | 35 | Bronze | 0.27 |
| 30 | 38 | P0 | 40 | Bronze | 0.29 |
| 30 | 38 | P0 | 50 | Bronze | 0.33 |
| 30 | 38 | P0 | 60 | Bronze | 0.37 |
| 30 | 38 | P0 | 70 | Bronze | 0.41 |
Custom bronze bushing manufacturer & Factory
The company specializes in high-quality bearing bushings, powder metallurgy parts, gears, and other products, including graphite-filled bronze bushings, self-lubricating bushings, and flanged bronze bushings. OEM customization services are also available to meet individual customer needs.
Our company maintains a comprehensive quality and certification system, certified to ISO9001:2015 and IATF16949:2016, and maintains an independent laboratory to rigorously test each batch of products. We prioritize both quality and service, and are committed to being a reliable contributor to our customers' business success.
Application
Automotive Industry
Bronze bushings are used in engine components and steering systems to ensure smooth rotation and reduce wear.
Industrial Machinery
Gearboxes and compressors use bronze bushings to reduce friction, provide stable support, and extend service life.
Agricultural Machinery
Tillage and sowing equipment, harvesters,bronze bushings are used to reduce friction between mechanical components.
Household Appliances
Washing machines, refrigerators, power tools,bronze bushings are used to ensure smooth tool operation.
Bronze Bushing Material
Tin bronze
Offers optimal wear resistance and is suitable for medium-speed, medium-load applications (such as machine tool spindle bushings).
Lead bronze
Offers strong self-lubrication and is suitable for low-speed, heavy-load, and poorly lubricated applications.
Aluminum bronze
Offers high strength and impact resistance and is suitable for heavy-load and impact-load applications .
Phosphor bronze bush
Customizable Bushing Structures
Honor and qualification
Quality management system certification
environmental management system certification
OHS Management System Certification
Zhejiang Manufacturing Certification
Quality Management System Certification
FAQ
Q: Does "1 inch" refer to the inner diameter or the outer diameter?
A: The "1 inch" here refers to the inner diameter (approximately 25.4 mm). The outer diameter and length can be customized according to customer requirements.
Q: What applications are suitable for this bronze bushing?
A: It is commonly used in mechanical equipment, automotive parts, agricultural machinery, motors, pumps, fans, and other areas where friction reduction and wear resistance are required.
Q: Can you provide custom dimensions or drawings?
A: Yes, we offer custom designs and samples to ensure that they meet your installation and usage requirements.
Q: Is additional lubrication required during use?
A: Some materials (such as lead bronze) are self-lubricating and suitable for low- or no-lubrication environments. They can also be used with lubricants to extend their life.
Q: What is the approximate service life of the product?
A: Service life depends on load, speed, and environmental conditions. Generally speaking, bronze bushings are more wear-resistant and have a longer service life than ordinary bearings.
Q: What is your production process?
A: We use centrifugal casting, precision machining and strict testing to ensure dimensional accuracy and stable performance.
Q: What materials are bronze bushings primarily made of?
A: Bronze bushings are primarily made of copper and tin, often alloyed with elements such as phosphorus, aluminum, and nickel.
Q: What is your company's production capacity? Can you guarantee delivery times for large orders?
A: Founded in 2001, we are a national high-tech enterprise specializing in powder metallurgy sintering. We have a 13,039 square meter factory, advanced production equipment (such as a coordinate measuring machine, hardness tester, and universal testing machine), and a comprehensive quality control system (certified by ISO9001:2015 and IATF16949:2016). Our 50-person team includes 40 production staff and 5 technical R&D personnel, enabling us to efficiently complete the entire process from R&D to production. For large orders, we will plan the production schedule in advance based on the order volume. We have sufficient stock of conventional bushings, and the delivery cycle for customized products is usually 15-30 days (adjusted depending on the complexity), which can ensure that your production plan is not affected by delivery.
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