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JF-720 Bimetal bushing

JF-720 Bimetal bushing

Basic characteristics

 


 

 

 

 

 

"JF-720 is a bimetal bushing with steel as backing and sintered CuPb24Sn24 as lining layer. This type has fairly good performance in anti-fatigue and load capacity.It is suitable for middle speedand middle load.When overplated certain soft alloy, it can be applied in high-speed internal combustion engine "

  TECHNICAL DATE

 

Static

120N/m

 

Yield Point

HB260

Max.Load

 

 

 

Temp.

-40℃~+250

 

Dynamic

60N/m

 

Frictioncoefficient

0.080.20

Max.Speed

2m/s

 

Thermalconductivity

60W(m*k)-1

Max.PV

2.8N/mm2m/s

 

Coef.ofthermalexpansion

40*10-6*k-1

Breaking Load

350N/mm2

 

 

 

  Chemical compositions

Material

Alloycomposition

Internationalstandard

AlloyHardness

JF800

CuPbl0Snl0

JIS-LBC3/SAE-797

HB70-100

JF720

CuPb24Sn4

JIS-LBC6/SAE-799

HB45-70

JF700

CuPb30

JIS-KJ3/SAE-48

HB30-45

JF20

AISn20Cu

JIS-AJL/SAE-783

HB30-40