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Bimetal Wrapped Bearings

Bimetal Wrapped Bearings(YF-30)
 
Features
 
Steel shell backed with a lead bronze lining bearing material for oil lubricated applications. This material has high load capacity and good fatigue properties. It is widely used in automotive applications such as compressors, steering gear, power steering, pedal bearings, king-pin bushes, tailgate pivots, mechanical handling and lifting equipment, hydraulic motors, agricultural machinery etc.
 
Chemical Compositions
 
Material Alloy composition International standard Alloy hardness
YF-30 JIS-LBC3/SAE-797 CuPb10Sn10 HB70-100
YF-31 JIS-LBC6/SAE-799 CuPb24Sn4 HB45-70
YF-32 JIS-KJ3/SAE-48 CuPb30 HB30-45
YF-33 JIS-AJL/SAE-783 AISn20Cu HB30-40
 
Tech. Data
 
Max. load Static 120N/mm2 Alloy hardness 240N/mm2
Dynamic 60N/mm2 Temp. -40℃~+250℃
Max. speed(Lubricated) 2m/s Friction coefficient 0.08~0.20
Max. PV 2.8N/mm2*m/s Thermal conductivity 60W(m*k)-1
Breaking Load 350N/mm2 Coef. of thermal expansion 14*10-6*k-1

 

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