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David from CanadaOur company import the bronze gleitlager from viiplus china,viiplus professional team makes sure customs clearance is always smooth. They provide an accurate bronze bushing classification, handle all the paperwork,We have received the self-lubricating bronze bushings. They look well done and the high quality.
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Valerie from CaliforniaWe import the bronze gleitlager from China to under the incoterm FOB shanghai, sometimes by Air. viiplus is a very good bronze gleitlager supplier, they are very professional and patient, after we inform the new order, they will manufacturer bronze gleitlager in time and give us the schedule , and then we just need to receive the bronze parts
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Daisy From GermanyThe best surface finishes for Sleeve Bearing, tighter concentricity, and bronze bushings material uniformity. The good supplier of standard inch and metric sleeve bearings and bushings from china. https://www.bronzelube.com/
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Beverly from Florida“Valve Bushings perfect,Thank you so much for your superior customer service! The steel-backed, PTFE lined rolled bushings are a low cost, a general-purpose product that provides excellent wear characteristics at high loads and speeds over a wide temperature range. They are designed to be self-lubricating and maintenance-free.
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Michael RussoThe wrapped bronze bushings is produced with diamond-shaped lubrication indents on the inner diameter surface which provide lubricant reservoirs that allow for prolonged service.
CuSn6Pb6Zn3(Qsn6-6-3) Bronze Bushings
Place of Origin | made in china |
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Brand Name | VIIPLUS |
Certification | ISO 9001 |
Model Number | CuSn6Pb6Zn3(Qsn6-6-3) |
Minimum Order Quantity | negotiable |
Price | Negotiable |
Packaging Details | EXPORT CARTON WOOD PALLET WOODEN CASE |
Delivery Time | 7-25 work days |
Payment Terms | T/T |
Supply Ability | Bronze Bushings Online • Sliding Bearings Manufacturers • Self-lubricating Bushing Suppliers |

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xMaterial | CuSn6Pb6Zn3(Qsn6-6-3) | Bushing | Bronze Bushing |
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Size | Metric Size And Inch Size | Type | Bronze Bearing |
Bearing Bushing Factory Price | Tiffany@viiplus.com | Self-lubricating Bearing Bushing Manufacturer | Https://www.viiplus.com/ |
High Light | Self-Lubricating Sintered Bronze Bushing | Characteristic | Bronze Bushings With Grease Reservoirs ( BRO-MET, FB090, BRM10, WB800) |
Bush Bearings Manufacturers Suppliers Exporters | Plain Bearings. Long, Maintenance-free Service, Manufactures Bushings In Various Designs And From Different Materials. Tiffany@viiplus.com, Bushings - Configure And Purchase - Https://www.viiplus.com/ | ||
Highlight | CuSn6Pb6Zn3 Bronze Bushings,Self Lubricating Bronze Bushings,CuSn6Pb6Zn3 Bronze Sleeve Bushings |
CuSn6Pb6Zn3, also known as Qsn6-6-3 bronze, is a type of leaded tin bronze alloy commonly used in the manufacturing of bushings, bearings, and other components that require good wear resistance, low friction, and high load-bearing capacity. Here's a breakdown of its composition and properties:
Composition:
Copper (Cu): The base metal, providing good thermal and electrical conductivity, as well as corrosion resistance.
Tin (Sn): Typically around 6%, tin improves the alloy's strength, hardness, and wear resistance.
Lead (Pb): Around 6%, lead enhances machinability and provides self-lubricating properties, which are beneficial for reducing friction in bushings and bearings.
Zinc (Zn): Approximately 3%, zinc improves the alloy's fluidity during casting and contributes to its overall strength.
Key Properties:
Wear Resistance: The tin content provides excellent wear resistance, making it suitable for high-load applications.
Low Friction: The lead content acts as a solid lubricant, reducing friction and preventing galling.
Machinability: The lead and zinc content make the alloy easy to machine, which is advantageous for manufacturing precision components.
Corrosion Resistance: The copper base provides good resistance to corrosion, especially in non-acidic environments.
Load-Bearing Capacity: The alloy can withstand high loads, making it ideal for bushings and bearings in heavy machinery.
Applications:
Bushings and Bearings: Commonly used in automotive, industrial, and marine applications due to its self-lubricating properties and wear resistance.
Gears and Sleeves: Suitable for components that require low friction and high durability.
Valve Components: Used in valves and pumps where corrosion resistance and wear resistance are critical.
Advantages:
Self-Lubricating: Reduces the need for external lubrication, lowering maintenance requirements.
Durability: Long service life even under high-stress conditions.
Versatility: Can be used in a wide range of temperatures and environments.
Disadvantages:
Lead Content: The presence of lead can be a concern in certain applications, especially where environmental and health regulations are strict.
Cost: Generally more expensive than some other bronze alloys due to the tin content.
Overall, CuSn6Pb6Zn3 bronze is a reliable material for applications requiring a combination of strength, wear resistance, and low friction.
CuSn6Pb6Zn3 (also known as QSn6-6-3) Bronze Bushings are a type of bearing components made from a specific alloy composition. This alloy contains copper (Cu) as the base metal, with tin (Sn), lead (Pb), and zinc (Zn) as alloying elements in specific percentages. The CuSn6Pb6Zn3 designation indicates the approximate weight percentages of these elements in the alloy: 6% tin, 6% lead, and 3% zinc, with the remainder being copper.
Bronze bushings made from CuSn6Pb6Zn3 alloy are known for their good wear resistance, corrosion resistance, and machinability. They are commonly used in applications where high sliding speeds, heavy loads, or poor lubrication conditions are present. The addition of lead in the alloy helps to improve the machinability and reduce friction, while the tin and zinc contribute to the overall strength and corrosion resistance of the material.
When selecting CuSn6Pb6Zn3 bronze bushings for a specific application, it is important to consider factors such as the operating temperature, load conditions, sliding speed, and lubrication regime. Proper installation and maintenance of the bushings are also crucial to ensure optimal performance and long service life.
A complete range of Bronze Bearings and Cast Materials all of which are made to the highest standards to optimize your products performance.
We are a manufacturer of self-lubrication bushing for car, heavy-duty truck, tractor bushing.
CuSn6Pb6Zn3(Qsn6-6-3) Bronze Bushings & Bearings
Get More Materials Dealing in Bronze Bushing.
CuSn6Pb6Zn3(Qsn6-6-3) Bronze Bushings is based on the copper alloy. It offers technically and economically favorable bearings solutions. It is of high load capability, low weight and good corrosion resistance. CuSn6Pb6Zn3(Qsn6-6-3) Bronze Bushings can offer different types of bronze alloys according to the required life time, service etc. The tolerance is much tighter than wrapped bronze bushes. This kind of products are widely used in machine-tool, agricultural machinery, crane electromotor, spring pin, steering shaft and transmission, etc. We can use different copper alloy material as per customer's requirements.
SELECT YOUR Bronze bearings
material
CuSn6Pb6Zn3(Qsn6-6-3)
Main application areas
The products are used in agricultural machinery, crane, electric motor, spring bolt bearing, steering shaft bearing and transmission device, etc.
Applications: Industrial - Selecting Bronze Bearing Materials
Physical and Mechanical Performance | ||
Performance Index | Data | |
Material | CuSn6Pb6Zn3(Qsn6-6-3) | |
Typical application | Application: machine-tool, agricultural machinery, crane electromotor, spring pin, steering shaft and transmission, etc. | |
Density g/cm3 | 8.7 | |
Max Dynamic Load N/mm2 | 60 | |
Max Linear Velocity(Grease) m/s | 0.85 | |
Max PV value Grease N/mm2·m/s | 1.65 | |
Pressure strength N/mm2 | >240 | |
Mating Axis | Hardness | ≥40 |
Roughness | 0.4~1.0 | |
Working Temperature ℃ | 40~140 | |
Friction Coefficient | 0.09~0.15 | |
coefficient of heat conduction W/m·K | 52 | |
Linear expansion coefficien | 18.5×10-6/K | |
Yield Strength N/mm2 | >100 |
In addition to the standard products shown in the catalog, non-standard bronze bushing products can be offered or ordered on customer request.
Advantages
Material Compostion and Properties | |||||
Material | CuZn25Al5Mn4Fe3 | CuSn6Pb6Zn3 (CuSn5Pb5Zn5) | CuAl10Ni5Fe5 | CuSn12 | |
Density | 8 | 8.9 | 8.9 | 8.5 | |
Hardness HB | >210 | >95 | >70 | 90~150 | |
Tensile strength N/mm² | >750 | >260 | >200 | 440 | |
Tensile strength N/mm² | >450 | >150 | >90 | 230 | |
Yield strength 10-5/℃ | 1.9 | 1.8 | 1.6 | 1.9 | |
Limit Temp ℃ | -40~+300 | -40~+400 | -40~+400 | 150 | |
Max.load N/mm² | 100 | 70 | 60 | 90 | |
Guideline for assembly | Shaft Tolerance | e7 | |||
House Tolerance | H7 |