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[China]
Address: Industry Park. JS, ZJ, China. 314100
Contact name:Tiffany
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Our wrapped aluminium steel shaft bimetal bearing bushes, specifically the tin-plated AlSn20Cu variety, are designed to provide exceptional wear resistance and durability in a wide range of industrial applications.
The unique bimetal construction of these bushes combines the lightweight yet strong aluminium alloy with a steel shaft for enhanced structural integrity. This combination offers both the corrosion resistance and lubricating properties of aluminium with the strength and rigidity of steel, resulting in a highly durable and reliable bearing bush.
The tin-plated AlSn20Cu alloy coating further enhances the wear resistance and lubricity of the bush, ensuring smooth operation and reduced friction even under high loads and speeds. This coating also provides excellent corrosion resistance, protecting the bush from damage caused by exposure to harsh environments or corrosive chemicals.
The wrapped design of the aluminium steel shaft ensures a secure and stable fit, making it suitable for use in high-performance applications. The bushes are easy to install and replace, minimizing downtime and maintenance costs.
Our wrapped aluminium steel shaft bimetal bearing bushes are an excellent choice for industrial machinery that requires high-performance bearing solutions. Contact us today to learn more about our products and how they can improve the performance and reliability of your applications.
Wrapped Aluminium Steel Shaft Bimetal Bearing Bushes Tin - Plated AlSn20Cu
Wrapped bushing steel aluminum AlSn20Cu Bimetal Bearing Bushes is a maintenance-bound composite sliding bearing. Oil or grease lubrication is necessary. Standard white metal bearing, Heavy maintenance.For high rotational speeds in a sealed and oil-lubricated application.Get in touch ...
High percentage of tin with aluminum alloy bushing is backing on low carbon steel, pressed with AlSn20Cu as liner. It has fairly good performance in anti-fatigue and good load capacity, anti-corrosion and smooth sliding movement.
It usually used as engine bearing with middle or low power, air compressor bushing. It is a good substitution for Babbit material.
Liner material: AlSn20Cu
Load capacity: 30N/mm2
Temperature Max: 150℃
Liner hardness: HB30~40
Support aterialSteel, tin-plated
Sliding layerAlSn20Cu
The manufacturing technology of AlSn20Cu bearing alloy (Sn 17.5 ~ 22%, Cu 0.7 ~ 1.3%, the rest Al) and its bimetallic strips.
| Data | Grade | BIMETAL High Tin Aluminum Bearing |
| Material | Steel＋AlSn20Cu | |
| Applications | Application: High speed, heavy load engine main shaft and air compressor, cooling machine.etc | |
| Max Dynamic Load P N/mm² | 90 | |
| Max Line Speed V | Greaes Lubrication m/s | - |
| Oil Lubrication m/s | ＞15 | |
| Max PV Value | Greaes Lubrication m/s N/mm²·m/s | - |
| Oil Lubrication m/s N/mm²·m/s | 8 | |
| Friction Coef u | Greaes Lubrication | - |
| Oil Lubrication | 0.04~0.12 | |
| Mating Axis | Hardness HRC | ≥270 |
| Roughness Ra | 0.16~0.63 | |
| Working Temperature ℃ | Greaes Lubrication | 150 |
| Oil Lubrication | 250 | |
| Alloy Layer Hardness HB | 30~40 | |
| Thermal Conductivity W/mk | 47 | |
| Coefficient Of Linear Expansion | 18×10-6/K | |
| In addition to the standard Bimetal Bearing Bushes shown in the catalog, you can also provide non-standard Bimetal Bearing Bushes or order according to customer requirements. | ||
Bimetal Bearing Bushes Competitive Price,High Quality Standard SAE-797 Bimetal Bearing Bushes is based on steel and sintered with CuPb10Sn10 or CuSn6Zn6Pb3 as a lining layer. The strongest type of Bimetal Bearing Bushes and widely applicated in so many fields.
This type has the best performance within the range of Cu-Pb alloy constructured bushing.Thereforce it has a wide application and is mostly suitable for where is middle speed and high impact etc.
The bimetal bearing bushes specialist with custom material
manufacture design size
VIIPLUS has been proving its vast experience and technical know-how
in manufacturing and marketing bimetal bearings bushings and drive
units. Benefit from experts who seek the perfect sliding bearing
solution for you, designed for your special applications.
CuPb10Sn10 is a higher lead content giving it a better advantage for higher rotational speeds. Also, the bimetal sliding layer has lubrication pockets that are also suitable for oil lubrication and thus allowing this bushing material to run at much higher rotational speeds.
| Specifications for Bi-Metal Bronze Alloys: | ||||
| Material Type | Specification of Bronze Alloy | Hardness of Bronze Alloy HB | Allowable Max Dynamic Load | Max. Temperature °C |
| Bi-Metal-800 | CuPb10Sn10 or CuSn6Zn6Pb3 | 70~100 | 65 | 260 |
| Bi-Metal-720 | CuPb24Sn4 | 45~70 | 38 | 200 |
| Bi-Metal-700 | CuPb30 | 30~45 | 25 | 170 |
| Bi-Metal-20 | AlSn20Cu | 30~40 | 30 | 150 |
| Bi-Metal-930 | CuSn6.5P0.1 | 60-90 | 65 | 200 |
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