Get Your Phosphor Bronze Bushes Now!
Phosphor Bronze Bush material is the most widely used ductile material of copper alloys at present.It is a bronze with tin and phosphorus as the main alloying elements. It contains 2-8% tin, 0.1-0.4% phosphorus, and the rest is copper. In industry, it is mainly used as wear-resistant parts and elastic components. Our quality requirements for phosphor bronze bushes are also increasing, including tight tolerances, good wear resistance, corrosion resistance, and excellent shape. They are Suitable for Heavy Loaded applications being applied where Lubrication is doubtful.
Types of Phosphor Bronze Bushings
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Graphite Plugged Phosphor Bronze Bushings: These self-lubricating bushings incorporate graphite plugs, reducing friction and wear without the need for additional lubrication. They are ideal for applications where maintenance access is limited.
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Oil & Grease Groove Phosphor Bronze Bushings: Designed with internal grooves, these bushings facilitate the distribution of lubricants, enhancing performance and extending service life in dynamic applications.
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090/092 Wrapped Bronze Bushings: Manufactured from phosphor bronze strips, these thin-walled bushings are wrapped and calibrated, offering high load capacity and excellent fatigue resistance, suitable for oscillating movements.
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Custom Phosphor Bronze Bushings: Tailored to specific requirements, custom bushings can be designed in various s
Phosphor Bronze Bushing Alloy Code
Other Bronze Bushing Material

SAE660
SAE 660-C93200-C932 Bronze SAE 660 bronze or c932 / c93200 bearing bronze as known as high-leaded tin, this type of bronze is commonly used for bearings or Bushing widely applications in many industries.

SAE841
SAE 841 sintered bronze sleeve bearing SAE 841 bronze is sintered bronze sleeve bearing or oil-impregnated bronze bearings and phosphor bronze bearings this type of bronze is designed for self-lubricating bushing

SAE954
954 Aluminum Bronze bushing 954 Aluminum Bronze also called manganese bronze is the alloy that offers excellent performance in grooved bushing and bearings and more applications.
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Manufacturer & Exporter of Phosphor Bronze Bush Casting Bearing
Welcome to Bronzeoilless.com, a manufacturer and exporter of high-quality Phosphor Bronze Casting Bushes and related products. With years of experience and expertise in the industry, we take pride in offering a wide range of premium bronze components that cater to various industrial applications. Our commitment to quality, precision, and customer satisfaction sets us apart as a trusted supplier in the global market.
If you are looking for high-quality Phosphor Bronze Casting Bushes, Graphite Filled Bronze Plates, Thrust Washer Bearings, or Sintered Bronze Self Lubricated Bushes, look no further. Contact us today to request a free quote or to discuss your specific requirements. Our dedicated team is ready to assist you in finding the perfect bronze solutions for your applications.



Bronze & Graphite Plugged Bushing
Bronzeoilless.com offers an extensive and competitively priced range of flanged bronze bushes, plain bearing, thrust washer bearing, and oilless wear plates.
Whether you’re looking for a single phosphor bronze bearings or custom self-lubricating bronze bushings, we’re sure to have exactly what you need.
Our selection of graphite-plugged bronze bushing and phosphor bronze bearings are suitable for a wide range of industries. Made in a variety of styles, these simple inexpensive bush-style bearings are ideal for operations in extremes of temperature at both high and low speeds, and because they are self-lubricating & maintenance-free.
phosphor bronze composition
Phosphor bronze is primarily composed of copper (typically around 85–95%), tin (usually 4–10%), and a small percentage of phosphorus (usually 0.1–0.35%). The addition of phosphorus enhances the alloy’s strength, wear resistance, and corrosion resistance.
Phosphor Bronze Alloy Used In Automobile
Phosphor bronze alloy is a widely used bushing material in the automobile industry, widely used in air compressors, refrigeration machines, internal combustion engine connecting rod small head bushing, crosshead pin bushing, piston pin bushing, camshaft bushing, guide wheel bushing, guide wheel bracket bushing, gearbox bushing, etc. It is characterized by high hardness, good wear resistance, low friction coefficient, good impact toughness, high permissible specific pressure and ultimate linear velocity, and good workmanship. Phosphorus in phosphor bronze can prevent the production of extremely hard and brittle Sno2 in the alloy, the journal has a protective effect. Therefore, the use of phosphor bronze bearings as parts in automotive manufacturing helps extend the mechanical life.
A combination of centrifugal casting, cold extrusion, and machining. The production of Phosphor Bronze Bush with this process can achieve good quality, high material utilization, saving man-hours and cost savings.

C91000 Phosphor Bronze Bushing
Phosphor Bronze Bushing such as C91000 are typically found in high-strength bushing and bearing applications where high strength, low speeds, and heavy loads are present. Other high-strength applications for these alloys are pump impellers, piston rings, steam fittings, and valve bodies. C910 Phosphor wear plate are utilized in movable bridge components, can solve all the stability problems of bridges and structures for our customers. and other structures for fixed and expansion bearings with slow or intermittent movement and heavy loads.
Choose us as your trusted manufacturer and exporter of Phosphor Bronze products, and let’s build a successful partnership together.
Phosphor Bronze (Pb2) Copper Alloy With Graphite Inserts
Phosphor bronze (PB2) is a type of copper alloy that contains phosphorus as its main alloying element, along with other elements such as tin and lead. It is known for its excellent electrical and thermal conductivity, corrosion resistance, and mechanical properties. The addition of graphite inserts can further enhance certain characteristics of the material, such as:
- Improved Lubrication: Graphite is a natural lubricant, so when used as inserts in a phosphor bronze alloy, it can reduce friction and wear in applications where the alloy is in contact with other surfaces.
- Enhanced Wear Resistance: The combination of the hardness of graphite and the ductility of phosphor bronze can lead to a material with improved wear resistance.
- Increased Load-Bearing Capacity: Graphite inserts can distribute loads more evenly, which can increase the overall load-bearing capacity of the material.
- Thermal Stability: Both phosphor bronze and graphite have good thermal stability, which can be beneficial in high-temperature applications.
- Electrical Properties: While phosphor bronze is an excellent conductor, the addition of graphite can modify the electrical properties, depending on the application and the amount of graphite used.
- Corrosion Resistance: The combination of materials can sometimes lead to improved resistance to certain types of corrosion.


PB2 Phosphor Bronze VS PB1 Bronze
PB2 Phosphor Bronze is a copper alloy with a higher tin content compared to PB1 Phosphor Bronze, which gives it excellent wear resistance. It has good machining properties, high strength, and good corrosion resistance to seawater and brine, making it suitable for applications such as:
- Gears,Bearings,Thrust washers,Pump and valve components,Heavy sliding applications
- PB2 Phosphor Bronze is suitable for bearings with medium to high loads and speeds, and has good resistance to impact loading or pounding. It requires adequate lubrication and good alignment for optimal performance.
- Tin content: PB2 has a higher tin content (11-13%) compared to PB1 (10-11.5%), which gives PB2 better wear resistance and corrosion resistance.
- Phosphorus content: PB1 has a slightly higher phosphorus content (0.25-0.6%) compared to PB2 (0.25-0.4%), which provides PB1 with better wear resistance and stiffness.
- Strength: PB2 has higher tensile strength (390 N/mm2 min) compared to PB1 (350 N/mm2 min).
With its excellent wear resistance and high strength, PB2 Phosphor Bronze is an ideal material for manufacturing components that undergo heavy loads and speeds, provided proper lubrication and alignment is maintained.

Strength: Phosphor bronze offers higher strength and hardness compared to standard bronze alloys. Assuming PB2 Bronze Bushing refers to a typical bronze material, it would have lower strength and hardness compared to phosphor bronze.
Wear Resistance: PB1 provides excellent wear resistance, making it suitable for applications where the bushing is subjected to friction and abrasion. Standard bronze alloys may have a lower wear resistance compared to phosphor bronze, which could make them less suitable for high-friction applications.
Corrosion Resistance: Phosphor bronze exhibits good corrosion resistance, making it ideal for use in various environments, including marine applications. While bronze is generally corrosion-resistant, the specific corrosion resistance of PB2 would depend on the particular alloy composition.
Lubrication: PB1 may require less external lubrication due to its natural lubricity, which reduces friction and wear.
The Difference Between Phosphor Bronze And Bronze
High-Quality Phosphor Bronze
Phosphor bronze (phosphor bronze) (tin bronze) (tin-phosphor bronze) from bronze with degassing agent phosphorus P content 0.03 ~ 0.35%, tin content 5 ~ 8%, and other trace elements such as iron Fe, zinc Zn composition ductility, fatigue resistance are good for electrical and mechanical materials, reliability than the general copper alloy products.
Bronze Alloy Bushing PHOSPHOR BRONZE – CUSN8, CW453K, CUSN6, CW452K
Bronze originally refers to copper-tin alloy, and later copper alloys other than brass and white copper are called bronze, and often crowned with the name of the first major added element before the name of bronze.
Tin Bronze Bushing: good casting, friction reduction, and mechanical properties, It is suitable for the manufacture of bearings, worm wheels, and gears.
Lead bronze bushing: It is a widely used bearing material in modern engines and grinders.
Aluminum Bronze Bushing: It has high strength, good wear resistance, and corrosion resistance, They are used for casting high-load gears, bushings, and marine propellers.
Beryllium Bronze And Phosphor Bronze Bushing: have high elastic limits and good electrical conductivity, which are suitable for manufacturing precision springs and electrical contact components.
Physical Properties Of Phosphor Bronze Bush
| Physical | C5111 | C5102 | C5191 | C5212 | C5210 |
| Melting point ℃ (liquid phase) |
1060 | 1060 | 1045 | 1030 | 1030 |
| Melting point ℃ (solid phase) |
950 | 950 | 900 | 870 | 870 |
| Specific gravity | 8.86 | 8.86 | 8.83 | 8.8 | 8.8 |
| Coefficient of thermal expansion |
18 | 18 | 18 | 18 | 18 |
Product Ingredients Of Phosphor Bronze
| Type | Alloy code | Composition% | |||||
| Sn | P | Fe | Pb | Zn | Sn+P+Cu | ||
| C5111 | T | 3.5~4.5 | 0.07~0.09 | <0.02 | <0.05 | <0.2 | >99.5 |
| C5102 | Z | 4.5~5.5 | 0.09~0.11 | <0.02 | <0.05 | <0.2 | >99.5 |
| C5191 | U | 5.5~7 | 0.11~0.13 | <0.02 | <0.05 | <0.2 | >99.5 |
| C5212 | Q | 7.0~9.0 | 0.15~0.17 | <0.02 | <0.05 | <0.2 | >99.5 |
| C5210 | W | 7.0~9.0 | 0.15~0.17 | <0.10 | <0.05 | <0.2 | >99.7 |
Phosphor Bronze Bushing Size Chart
| Item | Size ID | Size OD | I.D. Min | I.D. Max | O.D. Min | O.D. Max | Length |
| phosphor bronze bearings | 6 mm | 8 mm | 5.975 mm | 6.025 mm | 8.050 mm | 8.076 mm | 8 mm |
| phosphor bronze bearings | 6 mm | 8 mm | 5.975 mm | 6.025 mm | 8.050 mm | 8.076 mm | 10 mm |
| phosphor bronze bearings | 6 mm | 10 mm | 5.975 mm | 6.025 mm | 10.050 mm | 10.076 mm | 6 mm |
| phosphor bronze bearings | 6 mm | 10 mm | 5.975 mm | 6.025 mm | 10.050 mm | 10.076 mm | 8 mm |
| phosphor bronze bearings | 6 mm | 10 mm | 5.975 mm | 6.025 mm | 10.050 mm | 10.076 mm | 10 mm |
| phosphor bronze bearings | 6 mm | 10 mm | 5.975 mm | 6.025 mm | 10.050 mm | 10.076 mm | 12 mm |
| phosphor bronze bearings | 6 mm | 12 mm | 5.975 mm | 6.025 mm | 12.050 mm | 12.076 mm | 6 mm |
| phosphor bronze bearings | 6 mm | 12 mm | 5.975 mm | 6.025 mm | 12.050 mm | 12.076 mm | 10 mm |
| phosphor bronze bearings | 6 mm | 12 mm | 5.975 mm | 6.025 mm | 12.050 mm | 12.076 mm | 12 mm |
| phosphor bronze bearings | 8 mm | 12 mm | 7.975 mm | 8.025 mm | 12.050 mm | 12.076 mm | 8 mm |
| phosphor bronze bearings | 8 mm | 12 mm | 7.975 mm | 8.025 mm | 12.050 mm | 12.076 mm | 12 mm |
| phosphor bronze bearings | 10 mm | 14 mm | 9.975 mm | 10.025 mm | 14.050 mm | 14.076 mm | 8 mm |
| phosphor bronze bearings | 10 mm | 14 mm | 9.975 mm | 10.025 mm | 14.050 mm | 14.076 mm | 10 mm |
| phosphor bronze bearings | 10 mm | 14 mm | 9.975 mm | 10.025 mm | 14.050 mm | 14.076 mm | 14 mm |
| phosphor bronze bearings | 10 mm | 14 mm | 9.975 mm | 10.025 mm | 14.050 mm | 14.076 mm | 16 mm |
| phosphor bronze bearings | 10 mm | 16 mm | 9.975 mm | 10.025 mm | 16.050 mm | 16.076 mm | 10 mm |
| phosphor bronze bearings | 10 mm | 16 mm | 9.975 mm | 10.025 mm | 16.050 mm | 16.076 mm | 16 mm |
| phosphor bronze bearings | 12 mm | 15 mm | 11.975 mm | 12.025 mm | 15.050 mm | 15.076 mm | 12 mm |
| phosphor bronze bearings | 12 mm | 15 mm | 11.975 mm | 12.025 mm | 15.050 mm | 15.076 mm | 16 mm |
| phosphor bronze bearings | 12 mm | 15 mm | 11.975 mm | 12.025 mm | 15.050 mm | 15.076 mm | 20 mm |
| phosphor bronze bearings | 12 mm | 16 mm | 11.975 mm | 12.025 mm | 16.050 mm | 16.076 mm | 12 mm |
| phosphor bronze bearings | 12 mm | 16 mm | 11.975 mm | 12.025 mm | 16.050 mm | 16.076 mm | 16 mm |
| phosphor bronze bearings | 12 mm | 16 mm | 11.975 mm | 12.025 mm | 16.050 mm | 16.076 mm | 20 mm |
| phosphor bronze bearings | 12 mm | 18 mm | 11.975 mm | 12.025 mm | 18.050 mm | 18.076 mm | 12 mm |
| phosphor bronze bearings | 12 mm | 18 mm | 11.975 mm | 12.025 mm | 18.050 mm | 18.076 mm | 16 mm |
| phosphor bronze bearings | 12 mm | 18 mm | 11.975 mm | 12.025 mm | 18.050 mm | 18.076 mm | 20 mm |
| phosphor bronze bearings | 14 mm | 18 mm | 13.975 mm | 14.025 mm | 18.050 mm | 18.076 mm | 14 mm |
| phosphor bronze bearings | 14 mm | 18 mm | 13.975 mm | 14.025 mm | 18.050 mm | 18.076 mm | 18 mm |
| phosphor bronze bearings | 14 mm | 18 mm | 13.975 mm | 14.025 mm | 18.050 mm | 18.076 mm | 22 mm |
| phosphor bronze bearings | 14 mm | 20 mm | 13.975 mm | 14.025 mm | 20.050 mm | 20.076 mm | 14 mm |
| phosphor bronze bearings | 14 mm | 20 mm | 13.975 mm | 14.025 mm | 20.050 mm | 20.076 mm | 16 mm |
| phosphor bronze bearings | 14 mm | 20 mm | 13.975 mm | 14.025 mm | 20.050 mm | 20.076 mm | 22 mm |
| phosphor bronze bearings | 15 mm | 20 mm | 14.975 mm | 15.025 mm | 20.050 mm | 20.076 mm | 16 mm |
| phosphor bronze bearings | 15 mm | 20 mm | 14.975 mm | 15.025 mm | 20.050 mm | 20.076 mm | 20 mm |
| phosphor bronze bearings | 15 mm | 20 mm | 14.975 mm | 15.025 mm | 20.050 mm | 20.076 mm | 25 mm |
| phosphor bronze bearings | 16 mm | 20 mm | 15.975 mm | 16.025 mm | 20.050 mm | 20.076 mm | 16 mm |
| phosphor bronze bearings | 16 mm | 20 mm | 15.975 mm | 16.025 mm | 20.050 mm | 20.076 mm | 20 mm |
| phosphor bronze bearings | 16 mm | 20 mm | 15.975 mm | 16.025 mm | 20.050 mm | 20.076 mm | 25 mm |
| phosphor bronze bearings | 18 mm | 22 mm | 17.975 mm | 18.025 mm | 22.050 mm | 22.076 mm | 18 mm |
| phosphor bronze bearings | 18 mm | 22 mm | 17.975 mm | 18.025 mm | 22.050 mm | 22.076 mm | 22 mm |
| phosphor bronze bearings | 18 mm | 22 mm | 17.975 mm | 18.025 mm | 22.050 mm | 22.076 mm | 28 mm |
| phosphor bronze bearings | 18 mm | 25 mm | 17.975 mm | 18.025 mm | 25.050 mm | 25.076 mm | 18 mm |
| phosphor bronze bearings | 18 mm | 25 mm | 17.975 mm | 18.025 mm | 25.050 mm | 25.076 mm | 22 mm |
| phosphor bronze bearings | 18 mm | 25 mm | 17.975 mm | 18.025 mm | 25.050 mm | 25.076 mm | 28 mm |
| phosphor bronze bearings | 20 mm | 25 mm | 19.975 mm | 20.025 mm | 25.050 mm | 25.076 mm | 16 mm |
| phosphor bronze bearings | 20 mm | 25 mm | 19.975 mm | 20.025 mm | 25.050 mm | 25.076 mm | 20 mm |
| phosphor bronze bearings | 20 mm | 25 mm | 19.975 mm | 20.025 mm | 25.050 mm | 25.076 mm | 25 mm |
| phosphor bronze bearings | 20 mm | 25 mm | 19.975 mm | 20.025 mm | 25.050 mm | 25.076 mm | 30 mm |
| phosphor bronze bearings | 22 mm | 28 mm | 21.975 mm | 22.025 mm | 28.050 mm | 28.076 mm | 18 mm |
| phosphor bronze bearings | 22 mm | 28 mm | 21.975 mm | 22.025 mm | 28.050 mm | 28.076 mm | 22 mm |
| phosphor bronze bearings | 22 mm | 28 mm | 21.975 mm | 22.025 mm | 28.050 mm | 28.076 mm | 28 mm |
| phosphor bronze bearings | 25 mm | 30 mm | 24.975 mm | 25.025 mm | 30.050 mm | 30.076 mm | 20 mm |
| phosphor bronze bearings | 25 mm | 30 mm | 24.975 mm | 25.025 mm | 30.050 mm | 30.076 mm | 25 mm |
| phosphor bronze bearings | 25 mm | 30 mm | 24.975 mm | 25.025 mm | 30.050 mm | 30.076 mm | 30 mm |
| phosphor bronze bearings | 28 mm | 32 mm | 27.975 mm | 28.025 mm | 32.050 mm | 32.076 mm | 22 mm |
| phosphor bronze bearings | 28 mm | 32 mm | 27.975 mm | 28.025 mm | 32.050 mm | 32.076 mm | 28 mm |
| phosphor bronze bearings | 28 mm | 33 mm | 27.975 mm | 28.025 mm | 33.050 mm | 33.076 mm | 22 mm |
| phosphor bronze bearings | 28 mm | 33 mm | 27.975 mm | 28.025 mm | 33.050 mm | 33.076 mm | 28 mm |
| phosphor bronze bearings | 30 mm | 38 mm | 29.975 mm | 30.025 mm | 38.050 mm | 38.076 mm | 25 mm |
| phosphor bronze bearings | 30 mm | 38 mm | 29.975 mm | 30.025 mm | 38.050 mm | 38.076 mm | 30 mm |
| phosphor bronze bearings | 30 mm | 40 mm | 29.975 mm | 30.025 mm | 40.050 mm | 40.076 mm | 25 mm |
| phosphor bronze bearings | 30 mm | 40 mm | 29.975 mm | 30.025 mm | 40.050 mm | 40.076 mm | 30 mm |
| phosphor bronze bearings | 32 mm | 38 mm | 31.975 mm | 32.025 mm | 38.050 mm | 38.076 mm | 20 mm |
| phosphor bronze bearings | 32 mm | 38 mm | 31.975 mm | 32.025 mm | 38.050 mm | 38.076 mm | 25 mm |
| phosphor bronze bearings | 32 mm | 38 mm | 31.975 mm | 32.025 mm | 38.050 mm | 38.076 mm | 32 mm |
| phosphor bronze bearings | 32 mm | 40 mm | 31.975 mm | 32.025 mm | 40.050 mm | 40.076 mm | 20 mm |
| phosphor bronze bearings | 32 mm | 40 mm | 31.975 mm | 32.025 mm | 40.050 mm | 40.076 mm | 25 mm |
| phosphor bronze bearings | 32 mm | 40 mm | 31.975 mm | 32.025 mm | 40.050 mm | 40.076 mm | 32 mm |
| phosphor bronze bearings | 35 mm | 45 mm | 34.975 mm | 35.025 mm | 45.050 mm | 45.076 mm | 25 mm |
| phosphor bronze bearings | 35 mm | 45 mm | 34.975 mm | 35.025 mm | 45.050 mm | 45.076 mm | 30 mm |
| phosphor bronze bearings | 35 mm | 45 mm | 34.975 mm | 35.025 mm | 45.050 mm | 45.076 mm | 35 mm |
| phosphor bronze bearings | 36 mm | 42 mm | 35.975 mm | 36.025 mm | 42.050 mm | 42.076 mm | 25 mm |
| phosphor bronze bearings | 36 mm | 42 mm | 35.975 mm | 36.025 mm | 42.050 mm | 42.076 mm | 30 mm |
| phosphor bronze bearings | 36 mm | 42 mm | 35.975 mm | 36.025 mm | 42.050 mm | 42.076 mm | 35 mm |
| phosphor bronze bearings | 38 mm | 44 mm | 37.975 mm | 38.025 mm | 44.050 mm | 44.076 mm | 25 mm |
| phosphor bronze bearings | 38 mm | 44 mm | 37.975 mm | 38.025 mm | 44.050 mm | 44.076 mm | 35 mm |
| phosphor bronze bearings | 38 mm | 44 mm | 37.975 mm | 38.025 mm | 44.050 mm | 44.076 mm | 45 mm |
| phosphor bronze bearings | 40 mm | 50 mm | 39.975 mm | 40.025 mm | 50.050 mm | 50.076 mm | 25 mm |
| phosphor bronze bearings | 40 mm | 50 mm | 39.975 mm | 40.025 mm | 50.050 mm | 50.076 mm | 30 mm |
| phosphor bronze bearings | 40 mm | 50 mm | 39.975 mm | 40.025 mm | 50.050 mm | 50.076 mm | 35 mm |
| phosphor bronze bearings | 40 mm | 50 mm | 39.975 mm | 40.025 mm | 50.050 mm | 50.076 mm | 40 mm |
| phosphor bronze bearings | 45 mm | 55 mm | 44.975 mm | 45.025 mm | 55.050 mm | 55.076 mm | 35 mm |
| phosphor bronze bearings | 45 mm | 55 mm | 44.975 mm | 45.025 mm | 55.050 mm | 55.076 mm | 40 mm |
| phosphor bronze bearings | 45 mm | 55 mm | 44.975 mm | 45.025 mm | 55.050 mm | 55.076 mm | 45 mm |
| phosphor bronze bearings | 45 mm | 55 mm | 44.975 mm | 45.025 mm | 55.050 mm | 55.076 mm | 50 mm |
| phosphor bronze bearings | 50 mm | 60 mm | 49.975 mm | 50.025 mm | 60.050 mm | 60.076 mm | 35 mm |
| phosphor bronze bearings | 50 mm | 60 mm | 49.975 mm | 50.025 mm | 60.050 mm | 60.076 mm | 50 mm |
| phosphor bronze bearings | 50 mm | 60 mm | 49.975 mm | 50.025 mm | 60.050 mm | 60.076 mm | 60 mm |
| Phosphor Bronze Bushing | 50 mm | 60 mm | 49.975 mm | 50.025 mm | 60.050 mm | 60.076 mm | 70 mm |
| Phosphor Bronze Bushing | 60 mm | 70 mm | 59.975 mm | 60.025 mm | 70.050 mm | 70.076 mm | 40 mm |
| Phosphor Bronze Bushing | 60 mm | 70 mm | 59.975 mm | 60.025 mm | 70.050 mm | 70.076 mm | 50 mm |
| Phosphor Bronze Bushing | 60 mm | 70 mm | 59.975 mm | 60.025 mm | 70.050 mm | 70.076 mm | 70 mm |
| Phosphor Bronze Bushing | 70 mm | 80 mm | 69.975 mm | 70.025 mm | 80.076 mm | 80.127 mm | 90 mm |
| Phosphor Bronze Bush | 70 mm | 80 mm | 69.975 mm | 70.025 mm | 80.076 mm | 80.127 mm | 120 mm |
| Phosphor Bronze Bush | 80 mm | 100 mm | 79.962 mm | 80.038 mm | 100.076 mm | 100.127 mm | 80 mm |
| Phosphor Bronze Bush | 80 mm | 100 mm | 79.962 mm | 80.038 mm | 100.076 mm | 100.127 mm | 120 mm |
| Phosphor Bronze Bush | 100 mm | 120 mm | 99.962 mm | 100.038 mm | 120.076 mm | 120.127 mm | 80 mm |
| Phosphor Bronze Bush | 100 mm | 120 mm | 99.962 mm | 100.038 mm | 120.076 mm | 120.127 mm | 120 mm |
Phosphor Bronze Properties
Phosphor bronze is a copper alloy that typically consists of around 85–95% copper, 4–10% tin, and 0.1–0.35% phosphorus. This alloy is known for its toughness, strength, low coefficient of friction, and fine grain structure. The addition of tin enhances corrosion resistance and strength, while phosphorus improves wear resistance and stiffness.
Some key properties of phosphor bronze include:
Strength and Resilience: Phosphor bronze is fatigue-resistant, holding up well against wear.
Corrosion Resistance: It is commonly used in applications exposed to corrosive elements.
Electrical Conductivity: Widely used in electrical components due to its conductivity.
Elasticity: Phosphor bronze has excellent spring properties, combining elasticity and high tensile strength.
In terms of mechanical properties, phosphor bronze typically exhibits a tensile yield strength ranging from 380-450 MPa (55100-65260 psi), a modulus of elasticity of 110 GPa (16000 ksi), and an electrical conductivity relative to pure copper of around 15%. Additionally, its hardness falls within the range of 75-85 Rockwell B, making it a strong and durable material suitable for various applications
Custom Phosphor Bronze Bushes
Customization options enable tailored solutions for niche applications:
- Solid Lubricant-Embedded Bushes: Ideal for environments where liquid lubricants cannot be used (e.g., food processing, vacuum systems).
- Grease Groove Designs:
- Spiral Grooves: Distribute lubricant evenly across the bush surface.
- Cross-Drilled Holes: Allow grease penetration to critical friction points.
- Hybrid Bushings: Combine phosphor bronze with stainless steel or composite layers for hybrid performance.
Seawater Resistance and Marine Applications
Phosphor bronze is highly resistant to seawater corrosion, thanks to its tin content, which improves strength and corrosion resistance, and phosphorus, which enhances wear resistance and rigidity. These characteristics make phosphor bronze bushings an excellent choice for marine environments, including:
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Ship Propeller Systems – Ensures smooth operation and long service life in harsh saltwater conditions.
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Rudder Assemblies – Delivers reliable performance with strong resistance to seawater-induced corrosion.
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Winches and Deck Equipment – Provides durability and reduced maintenance requirements for essential shipboard components.
Applications in Other Industries
Beyond marine applications, phosphor bronze bushings play a crucial role in various industries:
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Automotive Industry – Used in transmission systems, suspension components, and engine parts due to their high load capacity and excellent wear resistance.
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Power Generation – Essential in turbines and generators, where strength and durability under high stress are critical.
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Manufacturing Equipment – Applied in machinery requiring precise movements and long-term reliability, such as presses and conveyors.









