| Description: | Steel Sintered Tin Aluminum Alloy Bimetal Bush | Material: | Steel+AlSn20Cu(SAE783) |
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| Surface: | Tin Plating/Dark Tin Plating | Lubricant: | Oil Grease Lubricated |
| Standard: | DIN 1494 / ISO 3547 | Properties: | Good Corrosion Resistance |
| High Light: | AlSn20Cu Tin Aluminum Bearing Bimetal,Bimetal Bushings Steel Back,Bimetal Bushings Corrosion Resistance |
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PVB034 Steel Back SAE783 Tin Aluminum Alloy Bimetal Bushing
PVB034 Steel back tin aluninum alloy bimetal bearing is made of low carbon steel with AlSn20Cu sintered bronze alloy.PVB034 bimetal bearing has good oil corrosion resistance feature.Smooth surface and has outstanding embeddability and anti-seizure performance. This type of bimetal bush is suitable to be used to mate with soft shaft. The OD of the bearing is machined to a high precision grade and ID is machinable after assembling. This material is conformed to the ROHS regulation 2000/53/EC.
Material Structure
Sintered Tin Aluminum Alloy AlSn20Cu1, thickness 0.2-0.5mm, provides good self lubricating feature of the bearing
Steel Backing, provides the mechanical strength of the bearing.
Characteristics
Availability
Application
Technical Data
| Materail | Steel+AlSn20Cu |
| Alloy layer hardness HB | 30-40HB |
| Max dynamic Load P N/mm² | 100 |
| Max.Speed V m/s(Oil Lubrication) | 15 |
| Max.PV limit N/mm²·m/s(Oil Lubrication) | 8 |
| Friction Coefficient u(Oil Lubrication) | 0.05-0.2 |
| Max temperature ℃(Greased) | 150℃ |
| Max temperature ℃(Oil Lubrication) | 250℃ |
| Thermal conductivity W/mk | 47 |
| Coefficient of linear expansion | 18×10-6/K﹣¹ |
| Match the axis hardness HRC | ≥270 |
| Match the axis roughness Ra | 0.16~0.63 |
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
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