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Bi-Metal Bearing Bushing for Main Shaft and Con Rod Shaft1
Plain Bearing, Engine Parts, Engine Bearing
Deyuan Machinery Co., Ltd.
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Product Description It is made of high quality low-carbon steel,rolled with aluminium-tin alloy on surface with special techniques.It has medium fatigue srtength,load capacity,good corrosion-resistance and super surface property.It is mainly applied to main shaft and con rod shaft of internal combustion engine,pressure-squeeze machine and cooling machine.Tech.Data:Max load capacity P 100N/mm2 Maximum PV value(Grease) 6N/mm2.m/sMax line speed V 25m/sAlloy hardness 30~40HB Alloy material AlSn20CuMax load capacity P 100N/mm2 Maximum PV value(Grease)6N/mm2.m/sMax line speed V 25m/sAlloy hardness 30~40HB Alloy material AlSn20CuMaterialSteel + Bronze alloy CuPb24Sn4Typical Application High speed, heavy load engine main shaft and transmission gearbox, etc.Max Dynamic Load120N/mm2Max Line Speed (Grease)2.5m/s Max PV Value (Grease)2.8N/mm2.m/sFriction Coefficient (Grease)0.05~0.15Max Line Speed (Oil)10m/sMax PV Value (Oil)10N/mm2.m/sFriction Coefficient (Oil)0.04~0.12Max Working TemperatureGrease 150oC, Oil 250oCMating AxisHardness ≥48HB, Roughness Ra=0.16~0.63Alloy Layer Hardness45~70HBThermal Conductivity60W/mkCoefficient Of Linear Expansion 19×10-6/K
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