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Self Lubricating Bearings JF721 Wrapped CuPb24Sn4 With Inside Oil Groove

Zhejiang In-way Precision Machinery Co., Ltd

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Address: Xitang Industrial Park,Jiashan,Zhejiang,China

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Self Lubricating Bearings JF721 Wrapped CuPb24Sn4 With Inside Oil Groove

Country/Region china
City & Province zhejiang
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Product Details

Self Lubricating Bearings JF721 Wrapped CuPb24Sn4 DIN1494 With Inside Oil Groove

 

 

JF-721 is a bimetal bearing with steel back and sintered CuPb24Sn4 as lining.This type has fairly good performance in anti-fatigue and heavy load capacity.It is suitable for middle speed and middle load.When soft alloy is plated on the bushing surface and with oil lubrication,it can be applied in high-speed internal combustion engine and connect-rod.

 

 

Lead bronze alloyCuPb24Sn4Temperature Max170℃
Load capacity38N/mm²Harderness alloyHB45~70
 
 

Features:

 

 

With a steel body, bronze liner and PTFE/lead overlay, our bushing processes excellent wear ability and

 

tremendous compressive strength.

 

It has good wear and friction performance over a range of loads, speeds and temperature conditions.

 

It can also perform well with lubrication, oilless. It is applied to all brands of excavators

 

1. Application Feature

 

1).Working under oilless or minim oil state, maintenance free or just need a litter maintenance

 

2).Resist Abrasion, low coefficient of friction long operation life.

 

3).Operation in -195°C~+280°C.4).Good mending, low-noise, non-pollution

 

4).Thin-walled structure, light in weight, which can reduce the machine to small size.

 

5).Forming a transferred film during operation to protect, safe and trouble free.

 

6).Low demands to the safe even no surface hardness treatment, which lower the cost of the mating

 

components.

 

7).No absorption to water/oil, small coefficient of thermal emption, good thermal conductivity and size

 

stability

 

8).The back of the steel strip can be plated with various metals, anti-corrosion

 

 

 

      

Tech. Data
Max.LoadStatic250N/mm²Alloy HardnessHB 60-100
 140N/mm²
Temp-40℃~+250℃
Coefficient of friction0.05~0.12
Max.SpeedMax.Speed2.5m/sThermal conductivity60W(m*k)-1
Max.PVMax.PV2.8N/mm²*m/s
Shear strengthShear strength170N/mm²
Coef.of yhermal exoansion14*10-6K-1

 

 

 

 

 

 

 

 

 

 

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