Steel Back SAE 799 High Leaded Bronze Alloy Bi Metal Bushing

Model Number:PVB032
Description:Wrapped Bimetal Bearing
Material:Steel+CuPb24Sn4(SAE799)
Surface:Steel color/copper plating/tin plating
Lubricant:Oil grease lubricated
Standard:DIN 1494 / ISO 3547
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Product Details

PVB032 Steel Back SAE799 High Leaded Bronze Alloy Bimetallic Bushing


PVB032 bimetal bearing is made high quality low carbon steel as backing, sintered bronze alloy which with low friction properties as the wear-resistant layer.Composite bimetal bearing inner bronze alloy surface can be processed with various types of oil grooves, oil hole and oil pockets PVB032 wrapped bronze alloy bimetallic bush is suitable for the conditions which can not continuously put oils or difficult to apply the grease. It's also called JF-720 high leaded bimetal bearing,SY composite bimetal plain bearing, Steel back SAE799 bimetal bushes


Material Structure




1.Sinter bronze liner material: CuPb24Sn4

2. Metal backing low carbon steel back


Inner Surface Oil Pockets Types




Bimetal Bush Oil Grooves types




Bimetal Bushing Gap Types




Availability



1. Standard cylindrical bimetal bushes, bimetal thrust washers and bimetal strips
2. Special designed bimetal bearings are produced at short notice


Application



PVB032 Bimetal bearing suits for occasions with medium speed, medium load, with oil lubrication
PVB032 Bimetal bush with surface coated with soft alloy, it can be used as bearing and connecting rod bushing of high-speed internal combustion engine


Technical Data



PVB032 Bimetal BushingData
MaterailSteel+CuPb24Sn4
Alloy layer hardness HB45-70HB
Max dynamic Load P N/mm²120
Max.Speed V m/s(Greased)2.5
Max.PV limit N/mm²·m/s(Greased)2.8
Friction Coefficient u(Greased)0.05-0.15
Max.Speed V m/s(Oil Lubrication)10
Max.PV limit N/mm²·m/s(Oil Lubrication)10
Friction Coefficient u(Oil Lubrication)0.04-0.12
Max temperature ℃(Greased)150℃
Max temperature ℃(Oil Lubrication)250℃
Thermal conductivity W/mk60
Coefficient of linear expansion19×10-6/K﹣¹
Match the axis hardness HRC≥45
Match the axis roughness Ra0.32~0.63


Tolerance Details



  • Housing ØH7

  • Bushing inner-Ø after mountingH9

  • Shaft tolerancef7


Mounting Suggestion



  • Housing: Mounting bevel min. 1.5 mm x 15-45°

  • Shaft Material:Steel, hardened or untempered, surface roughness ≤ Rz 6.3

  • Shaft: Mounting bevel 5 mm x 15°, edges rounded

  • The application of an adequate force fitting mandrel is advisable. Grease lubrication of the outer surface may be necessary when mounting


Why Choose US



More than 15 years experience Advanced QC checking equipments

Professional manufacturer and exporter Professional QC checking team



Professional production team, high quality Customer focus sales team

Automatic bulk produce, high efficiency Perfect customer service


China Steel Back SAE 799 High Leaded Bronze Alloy Bi Metal Bushing supplier

Steel Back SAE 799 High Leaded Bronze Alloy Bi Metal Bushing

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