Jiashan PVB Sliding Bearing Co.,Ltd
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PVB037 Steel Back CuSn6.5P Bronze Alloy Lead Free Bimetal Bushing
PVB037 wrapped bimetal sliding bearing is made of steel back with CuPb6Sn6Zn3 layer.the inner bronze alloy surface of bimetal bush can be processed with various types of oil grooves, oil hole and oil pockets according to the different working applications, to suitable for the conditions which can not continuously put oils or difficult to apply the grease.
Material Structure
1.Sinter bronze liner material: CuSn6.5P0.1
2. Metal backing low carbon steel back
Inner Surface Oil Pockets Types
Bimetal Bush Oil Grooves types
Bimetal Bushing Gap Types
Characteristics
Availability
Application
Technical Data
| Materail | Steel+CuSn6.5P |
| Alloy layer hardness HB | 70~100 |
| Max dynamic Load P N/mm² | 130 |
| Max.Speed V m/s(Oil Lubrication) | 5 |
| 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/mk | 60 |
| Coefficient of linear expansion | 19×10-6/K﹣¹ |
| Match the axis hardness HRC | ≥53 |
| 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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