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    Steel backed lead bronze lined bearing material for lubricated applications, high load capacity and good fatigue properties, have been widely used in automo-tive, common industriallike steering gear, power steering, pedal bushes, king-pin bushes, tailgate pivots, mechanical handing, lifting equipment,hydraulic motors, agricultural machines etc.
Chemical Compositions, Characteristics and Application
Types of Material Specifications of Bronze alloy Alloy Hrdness Characteristics and Application
JF-930 CuSn6.5P0.1 HB(60-90) Lead Free
JF-850 CuSn6Zn6Pb3 HB(40-80) Staring Motor
JF-800 CuPb10Sn10 HB(60-90) The strongest material type, wide application scope.
JF-750 CuPb24Sn1 HB(45-70) Link Arm
JF-720 CuPb24Sn4 HB(45-70) Link Arm
Max.Load Static 250N/mm2
Dynamic 140N/mm2
Max.linear speed 2m/s
PV limit 2.8N/ mm2.m/s
Shear resistance strength 350N/ mm2
Yield strength 240N/ mm2
Temp. limit -40∽+250℃
Friction coeff. 0.08~0.20
Thermal conductivity 60W(m.k
Coeff.of linear expansion 14.10-6K-1
Wall Thickness of The Machinable and Non-machinable Bore of JF-800 Bushes and Their Tolerances
Norminal Thiickness Tolerances of Series B(non-machinable) Tolerances of Series C(non-machinable)
1 -0.025 +0.25
1.5 -0.030 +0.25
2 -0.035 +0.25
2.5 -0.040 +0.30
3 -0.045 +0.30
3.5 -0.050 +0.30
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