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Home > SF-1W Lead-Free Bushing

SF-1W Lead-Free Bushing

Substrate characteristics

SF-1W is a new type bushing without lead composition which is developed aiming at increasing demands on environmental protection. Besides its wide application on general machines, SF-1 is particularly suitable for food machine, Pharmaceutical machine, tobacco, machine etc.

Download the size table
Material organization

1.PTFE with lead 0.01~0.03mm

2.Porous bronze 0.2~0.3mm

3.Steel backing 0.7~2.3mm

4.Tin-plating 0.005mm or copper plating 0.008mm

Application characteristics

1. PTFE and fibre can protect the shaft while in operation.

2. It is suitable for the machine required harmless to people because of Lead-free.

3. Goodload capacity and anti-wear.

4. Bronze and steel have good thermal conductivity.

5. Anti-corrosion because of surface plating.

6. It is widely used in general machines, and suitable for food machine, pharmaceutical machine, tobacco machine etc. It will subsitute SF-1 in future because of environment protection.

The main parameters
Performance Data
Max Load Capacity P 140N/mm²
Friction Coef μ 0.04~0.20
Working Temperature -195℃~+280℃
Speed limit V 5m/s
Maximum PV Value (Dry)3.6N/mm²·m/s
(Oil)50N/mm²·m/s