JF-20 high tin aluminum base bearing

JF-20 high percentage of tin with aluminum alloy bushing is backing on low carbon steel, pressed with AlSn20Cu as liner. It has fairly good performance in anti-fatigue and good load capacity, anti-corrosion and smooth sliding movement. It usually used as

JF-20 Product Parameters

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Grade   JF-20
Material   Steel AlSn20Cu
Max dynamic Load N/mm2 120
Max line speed Grease lubrication
Alloy layer hardness HB   30~40
Max PVvalue N/mm2 · m/s Grease lubrication
Oil lubrication 15
Friction coef μ Grease lubrication
il lubrication 0.04-0.12
Max Working temperature°C Grease lubrication 150
Oil lubrication 250
Matching Shaft Hardness HRC ≥270
Roughness Ra 0.16~0.63
Thermal conductivity W/mk 47
Coefficient of linear expansion 19✕10-6/k

 

 

Typical application

The products are suitable for main shaft and connecting rod bearings of internal combustion engines, bearings for air compressors and refrigerators.

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