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JF800 Series Of Bimetal Bearing
Steel backed lead bronze lined bearing material for lubricated applications, high load capacity and good fatigue properties, have been widely used in automotive, common industrial like steering gear, power steering, pedal bushes, king-pin bushes, tailgate pivots, mechanical handling, lifting equipment, hydraulic motors, agricultural machines etc.| Chemical Compositions, Chharacheristics and Application | ||||
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Type of Material
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Specifications of Bronze Alloy
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Chemical Compositions
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Alloy Hardness
|
Chharacheristics and Application
|
|
JF800
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CuPb10Sn10
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CuPbSnZn801010
|
HB60-90
|
The strongest type,wide application field.
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| Tech. Data | ||||
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Max. Load
|
Static
|
250N/mm2
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Yieid Point
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240N/mm2
|
|
Dynamic
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140N/mm2
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Temp.
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-40oC~+250oC
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|
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Max. Speed
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2m/s
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Friction coefficient
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0.08-0.20
|
|
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Max. PV
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2.8N/mm2*m/s
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Thermal conductivity
|
60W(m*k)-1
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|
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Breaking Load
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350N/mm2
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Coef. of thermal expansion
|
14*10-6K-1
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| Thickness of the JF800 Bi-metal and their Tolerances | |||||||||
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Norminal Thickness
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1
|
1.5
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2
|
2.5
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3
|
3.5
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4
|
4.5
|
5
|
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Thickness of Steel Backing
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0.5
|
1
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1.4
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1.9
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2.3
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2.8
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3.2
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3.6
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4
|
|
Thickness of Bronze Layer
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0.5
|
0.5
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0.6
|
0.6
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0.7
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0.7
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0.8
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0.9
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1
|
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Length x Width of the Plates
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500x 125
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500x 125
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600x125
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600x 125
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800x125
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800x 125
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800x125
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800x 125
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800x125
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| Wall Thickness of the Machinable and Non-machinable Bore of JF800 and their Tolerances | ||
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Norminal Thickness
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Tolerances of Series B
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Tolerances of Series C
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(non-machinable)
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(non-machinable)
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|
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1
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-0.025
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+0.25
|
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+0.15
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||
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1.5
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-0.03
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+0.25
|
|
+0.15
|
||
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2
|
-0.035
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+0.25
|
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+0.15
|
||
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2'. 5
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-0.04
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+0.3
|
|
+0.15
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||
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3
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-0.045
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+0.3
|
|
+0.15
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||
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3.5
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-0.05
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+0.3
|
|
+0.15
|
||
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