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Address: Room 1008, TongLe Business Mansion, JiaXing 314033, ZheJiang, China
Contact name:Leo Wu
ZHEJIANG TOP BEARINGS CO., LTD. |
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Oilless Bronze Guide Bushes with Graphite - find quality bronze bushes, Sliding Bearings & bronze bushes from China.
JF-20 high tin aluminum base bearing is made of steel plate with
AISN20Cu material rolled on the surface. The product has medium
fatigue strength and bearing capacity, good corrosion resistance,
good sliding performance and other characteristics.
The product is commonly used as bushing of medium and small power
internal combustion engine, bushing of train engine and bushing of
air compressor. It is a new product to replace Babbitt alloy.
JF20 High Percentage Aluminum Alloy AISn20Cu Bushings Bitemal Bearings
JF-20 is a bearing with a high percentage of tin and aluminum composition.With stecl as back and press AISn20Cu as lining.the bushing is of fairly good performance in anti-fatigue, load capacity,anti-corrosion and smooth sliding movement.It is widely applied under high speed and low load.It can be made into bearing shells for internal combustion engine with mid or low power or bearing shells for trains,air compressor and coling machines.It is a good substitution for Babbit material.
Sliding layer can be machined with lubricating grooves and/or with grease indents
Aluminum-tin alloy for hydrodynam-ic applications
Steel+AlSn20Cu
JF-20 high percentage of tin with aluminum alloy bushing is backing
on low carbon steel, pressed with AISn20Cu 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.
| Aluminum alloy | AISn20Cu | Temperature Max | 150℃ |
| Load capacity | 30N/mm² | Harderness alloy | HB30~40 |
High tin aluminum bearing, is based on steel matrix, the surface of roller AISn20Cu material
products. This product has the secondary fatigue strength and bearing capacity, good corrosion
resistance, good sliding properties, etc. This product is used for medium and small power of internal
combustion engine bearing shell machine collar axis, the train
engine bearings, air, is replacing babbitt novel products.
| Maximum dynamic load | 90P N/mm² | The highest temperature(°C) | Grease lubrication | 150°C | |
| Maximum linear velocity | Grease lubrication | —— | Fluid lubrication | 250°C | |
| High PV value | —— | Match the diameter of axle | hardness HRC | ≥270 | |
| The coefficient of friction(μ) | —— | roughness Ra | 0.16~0.63 | ||
| Maximum linear velocity | Fluid lubrication | 15 | Alloy layer hardness | 30~40 | |
| High PV value | 8 | Coefficient of thermal conductivity | 47W/mk | ||
| The coefficient of friction(μ) | 0.04~0.12 | Linear expansion coefficient (axial) | 18×10-6/K | ||
Norminal Thiickness | Tolerances of Series B (non-machinable) | Tolerances of Series C (non-machinable) |
| 1.0 | -0.025 | +0.25 +0.15 |
| 2.0 | -0.030 | +0.25 +0.15 |
| 2.5 | -0.035 | +0.25 +0.15 |
| 3.0 | -0.040 | +0.30 +0.15 |
| 3.5 | -0.045 | +0.30 +0.15 |
| 3.5 | -0.050 | +0.30 +0.15 |
Engineering machinery: end of popular institutions supporting wheel
shaft sleeve, towing axle sleeve, tensioning shaft sleeve; Auto
industry: the balance shaft lining, steel pin bushing, steering
knuckle main shaft sleeve shaw, connecting rod bushings, valve
rocker arm shaft sleeve, CAM shaft collar, differential bushings,
transmission shaft sleeve, the internal combustion engine spindle
watts, thrust washers, And plunger pump side piece, such as piece
of gear pump side.
| Size | Customizable |
| Certification | ISO9001, TS16949 |
| Processing methods | Cold-extrusion |
| Operating temperature | 150℃(Grease lubrication),250℃(Oil lubrication) |
| Material | Steel+AlSn20Cu |
| Surface treatment | Copper Plating/Tin Plating |
| Typical Application | High speed,heavy load engine main shaft and air compressor ,cooling machine ,etc. |
1. It is a steel and copper alloy product with low carbon steel plate as the matrix material and surface sintered CuPb10Sn10 or CuSn6Zn6Pb3 material. The product is a kind of balance bridge bushing and gasket for heavy duty vehicles with the strongest bearing capacity among the double alloy bearings.The slave wheel of a bulldozer;Automotive steel bushing, all used in this product. It is a widely used high - load low - speed sliding bearing.
2. The product is made of CuPb24Sn4 alloy sintered on the surface of a steel plate.The product has good anti-fatigue strength and bearing capacity.Suitable for medium speed medium load.There are occasions for oil sliding.When the surface is plated with soft alloy, it can be used as bearing and connecting rod bushing for high speed internal combustion engine to achieve good wear resistance and fatigue resistance.
3. The product is made of CuPb30 material sintered on the surface with steel plate as the matrix.Due to the high lead content, the product has good bite resistance and foreign body embedding.If the working surface is plated with soft alloy material, it can be used as high speed, medium and low load internal combustion engine spindle, connecting rod bushing, rocker arm bushing;Oil mercury side friction sheet.
4. Lead-free bimetal bearing, is an environmentally friendly bimetal bearing, it is based on low carbon steel plate as the matrix, the surface of the sintered CuSn6.5P0.1 steel copper alloy products.The product has high fatigue strength and bearing capacity, good sliding performance, in many cases can replace the lead bimetal bearing or copper sleeve.
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Oilless Bronze Engine Bushings Bimetal Bearing Bushes AISn20Cu Steel Images |
