Durable Phosphor Bronze Bearings for Sale, Plain & Flanged Self-lubricating
Plain bushing made of high-performance bronze
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High-Quality Phosphor Bronze Bearings, Precision Graphite Inlaid hard graphite lubricant Plain & Flanged Bearing， Phosphor / Gun Metal Bushes: Ensuring Robust Performance and Durability
Phosphor bronze bearings with unmatched strength and fatigue resistance. Ideal for electrical, marine, and industrial applications. Order today! Phosphor / Gun Metal Bushes： Phosphor Bronze Bushes, Gun Metal Bushes, Tin Bronze, Bronze Alloys, Bronze Bushes！
Graphite bearings are highly favored for their self-lubricating properties. These bearings are primarily made from graphite, a material known for its natural lubrication and high thermal conductivity. They help reduce friction and exhibit excellent thermal elasticity. Types of graphite bearings include solid graphite bearings, graphite-impregnated bearings, graphite composite bearings, oil-impregnated graphite bearings, and graphite bushings. Their advantages include self-lubrication, high-temperature resistance, low friction, chemical resistance, and versatile design. Graphite bearings are widely used in industries such as automotive, aerospace, manufacturing machinery, power generation, and marine applications. Need reliable bearings? Phosphor bronze bearings provide excellent durability, strength, and corrosion resistance for your applications.
Phosphor Bronze
Leaded phosphor bronzes
Phosphor Bronze Bearings with Graphite Lubricant
Key Features
Phosphor bronze alloy with 2-8% tin and 0.1-0.4% phosphorus for superior strength, wear resistance, and fatigue life
Graphite lubricant embedded in the bronze matrix for self-lubrication and reduced friction
Range of metals and alloys
Aluminium Bronze
Aluminum Bronze bearings: Corrosion-resistant, high-strength, wear-resistant, machinable, and versatile.
Phosphor bronze bearings
Strong, corrosion-resistant, durable, electrically conductive, and wear-resistant.
Leaded and Tin Casted Bronze
Malleable, wear-resistant, corrosion-resistant, versatile, and cost-effective.
Brass Bearing
Malleable, corrosion-resistant,decorative, ductile, versatile.
Phosphor Bronze Bearings – High Wear Resistance, Special Solutions
Discover the benefits of phosphor bronze bearings – excellent formability, high fatigue resistance, and perfect for demanding applications. Get quality phosphor bronze bearings designed for electrical components, spring washers, and more. Superior performance & corrosion resistance!
C51000 (C510) and C54400 (C544) are both types of phosphor bronze alloys, which are copper-based materials known for their excellent mechanical properties, corrosion resistance, and wear resistance. Below is a detailed comparison of these two alloys, including their compositions, properties, and typical applications.
C51000 Phosphor Bronze (C510)
Composition and Properties:
- Chemical Composition:
- Copper (Cu): Rem.
- Tin (Sn): 4.2% – 5.8%
- Phosphorus (P): 0.03% – 0.35%
- Lead (Pb): Max 0.05%
- Zinc (Zn): Max 0.3%
- Iron (Fe): Max 0.1%
- Mechanical Properties:
- Density: 0.32 lb/in³ (8.86 g/cm³)
- Melting Point:
- Liquidus: 1920 °F (1049 °C)
- Solidus: 1750 °F (954 °C)
- Machinability Rating: 20 (on a scale where 100 is the excellent)
- Physical Characteristics:
- Notable for toughness, strength, low coefficient of friction, and fine grain structure.
- Excellent cold workability and good soldering and brazing properties.
Applications:C51000 is widely used in various industries due to its favorable properties:
- Electrical: Used in electrical connectors, resistance wires, and electronic parts.
- Industrial: Commonly found in bearings, bushings, gears, and various mechanical components.
- Architecture: Employed in bridge bearing plates and other structural applications.
C54400 Phosphor Bronze (C544)
Composition and Properties:
- Chemical Composition:
- Copper (Cu): Rem.
- Tin (Sn): 3.50% – 4.00%
- Phosphorus (P): 0.01% – 0.35%
- Lead (Pb): Up to 3.0%
- Zinc (Zn): Up to 4.0%
- Iron (Fe): Max 0.1%
- Mechanical Properties:
- Density: Similar to C51000, approximately 0.32 lb/in³ (8.86 g/cm³).
- Melting Point:
- Liquidus: 1920 °F (1049 °C)
- Solidus: 1750 °F (954 °C)
- Machinability Rating: Higher than C51000, making it easier to work with in machining applications.
- Physical Characteristics:
- Known for its resilience, fatigue endurance, and excellent machinability.
- Provides good electrical conductivity and is resistant to wear.
Applications:C54400 is particularly suitable for:
- Electrical: Used in electrical connectors and components.
- Industrial: Commonly found in bearings, bushings, gears, and other mechanical parts that require high wear resistance.
Summary Comparison
| Property | C51000 (C510) | C54400 (C544) |
|---|---|---|
| Tin Content | 4.2% – 5.8% | 3.50% – 4.00% |
| Lead Content | Max 0.05% | Up to 3.0% |
| Machinability | 20 | Higher than C51000 |
| Typical Uses | Electrical connectors, bearings, bushings | Electrical connectors, bearings, gears |
Both alloys are excellent choices for applications requiring strength, durability, and resistance to wear and corrosion. The choice between C51000 and C54400 will depend on specific application requirements, such as the need for machinability or electrical conductivity.
Phosphor Bronze Bearings EN1982 Material Code
The material code for phosphor bronze bearings according to the EN 1982 standard is CC483K, which is also referred to as CuSn12-C. This designation indicates a specific copper-tin alloy that is characterized by its high tin content, typically ranging from 10.5% to 13%.
Key Characteristics of CC483K (CuSn12-C):
- Chemical Composition:
- Copper (Cu): 85.0% – 89.0%
- Tin (Sn): 10.5% – 13.0%
- Phosphorus (P): Up to 0.6%
- Lead (Pb): Up to 0.7%
- Nickel (Ni): Up to 2.0%
- Mechanical Properties:
- Tensile Strength: Minimum of 300 MPa
- Yield Strength: Minimum of 150 MPa
- Elongation: Minimum of 6%
- Brinell Hardness: Minimum of 90 HBW
Applications
Phosphor bronze bearings made from CC483K are widely used in applications requiring good wear resistance, high load capacity, and corrosion resistance. These bearings are particularly suitable for:
- Machine tool spindle bearings
- High-speed gears and wormwheels
- Piston pin bushes
- Press bearings
This material is favored in environments where lubrication is critical to performance, ensuring smooth operation under medium to high loads and speeds.
Phosphor Bronze Bearings According to ASTM B505
Phosphor bronze bearings made to ASTM B505 standards are typically designated as C90700 (CDA 907) alloy. This alloy is known for its high copper content (minimum 88%) and tin content of 10-11.5%.
Key Properties of ASTM B505 C90700 Phosphor Bronze:
- High strength with good machinability
- Exceptional wear resistance and a low coefficient of friction
- Strong corrosion resistance, especially in saltwater and brine environments
- Ideal for heavy-duty applications with medium to high loads and speeds
- Requires proper lubrication and alignment for peak performance
Applications of ASTM B505 C90700 Phosphor Bronze Bearings:
- Gears and wormwheels
- Bearings and bushings
- Thrust washers
- Pump and valve components
- Heavy sliding applications
ASTM B505 C90700 phosphor bronze is widely used for manufacturing bearings, bushings, and components requiring superior strength, wear resistance, and corrosion protection. It’s a popular choice in machine tools, earth-moving machinery, cranes, and pumps.
When choosing ASTM B505 phosphor bronze bearings, it’s essential to ensure that the material’s composition, mechanical properties, and dimensional tolerances align with the application’s specific needs. Consulting with a trusted manufacturer or supplier will help guarantee reliable performance in demanding conditions.
| Material | Material | Grade | [p]/MPa | [v]/(m/s) | [pv]/(MPa.m/s) | HBS | Application Example |
| Cast Bronze | ZCuSn10P1 | 15 | 10 | 15(20) | 90 | 80 | Phosphor tin bronze for bearings working under heavy loads, medium speed and high temperature and impact conditions. |
| ZQSn6-6-3 | 8 | 3 | 10(12) | 65 | 60 | Tin-zinc-lead bronze, used for medium load and speed bearings, crane bearings, and general spindle bearings of machine tools. | |
| ZCuAl10Fe3 | 30 | 8 | 12(60) | 110 | 100 | Aluminum iron bronze, used at impact load sites, bearing temperatures can reach up to 300°C. Shaft neck requires quenching. | |
| ZCuPb30 | 25(steady) | 12 | 30(90) | 25 | Lead bronze, poured onto steel bearings as a lining, can withstand large impact loads, also suitable for precision machine tool spindle bearings. | ||
| 15(impact) | 8 | -60 | |||||
| Cast Zinc-Aluminum Alloy | ZZnAl10-5 | 20 | 9 | 16 | 100 | 80 | For 750kW below the reducer, all kinds of rolling mill roller bearings, operating temperature below 80℃. |
| Cast Tin-Based Bearing Alloy | ZSnSb11Cu6 | 25(steady) | 80 | 20(100) | 27 | Used as bearing lining for heavy-load high-speed bearings, temperature below 110°C, such as in turbines, motors over 750kW, internal combustion engines, high-speed machine tool spindles. | |
| 20(impact) | 60 | 15(10) | |||||
| Cast Lead-Based Bearing Alloy | ZPbSb16Sn16Ch2 | 15 | 12 | 10(50) | 30 | Used for high-speed heavy-load bearings under non-extreme conditions, such as in lathes, generators, compressors, rolling mills, temperature below 120°C. | |
| ZPbSb15Sn5 | 20 | 15 | 15 | 20 | Used for bearings operating under impact or steady loads, such as in turbines, medium-power motors, tractors, engines, compressors. |
