SF-1D hydraulic special bearing

SF-1D hydraulic bushing is developed on the basis of SF-1P and meanwhile considering the working principle of oil pump and damper.It shows better performance under working condition of without oil lubrication. It is the substitution of and parallels in pe

SF-1D product parameters

Grade   SF-1D
Material   Steel+Bronze+(PTFE+Filler)
Load capacity Static load N/mm2 250
Dynamic load N/mm2 140
Oscoillation Load N/mm2 60
Max line speed Dry friction m/s 2.5
Oil lubrication m/s >5
PVvalue limit Dry friction N/mm 2 · m/s 1.8
Oil lubrication N/mm 2 · m/s 3.6
Friction coefμ Dry friction 0.08~0.20
Oil lubrication 0.02~0.08
Mating shaft Hardness HB >220
Roughness Ra 0.4~1.25
Working temperature°C -200~+280
Thermal conductivity W/mk 40
Coefficient of linear expansion 11×10 -6/K
Outside surface Plating copper/tin

 

 

Typical application

Products are suitable for automobile, motorcycle shock absorbers and various hydraulic cylinders and other fields.

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