Zhengzhou Kebona Industry Co., Ltd
Zhengzhou Kebona Industry Co., Ltd One professional manufacturer of friction material and sealing material.
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High Quality Oil Free Bearing Bronze-Wrapped Oil Free Bushing Oilless Bearing
Bronze wrapped bushing, using tin bronze alloy CuSn8P/CuSn6.5P for material, Surface rolling diamond pockets, to store grease or graphite powder ,to rapidly build up a lubrication film at the start of movement and thereafter reduce the startup & running friction; It has good fatigue strength and bearing capacity, corrosion resistance, wear resistance.
Widely used in agricultural machinery, forestry machinery,building machinery, construction machinery, such as high load low speed occasions.
Application characteristics:
1. The advantages of light weight and low cost,for compact application,easy fitting;
2. Oil pockets stored oil or grease, then the time for apply oil is extended over 5 times than the ones of general copper sleeve;
3. Extremely high bearing capacity, especially can match the shafts with rough surfaces;
4. High heat dissipation, small expansion coefficient, stable use, long service life;
5. Excellent wear resistance with lower friction;
6. Chemical resistance.
Chemical Composition:
| Material | Cu | Pb | Sn |
|---|---|---|---|
| CuSn8 | 91.3% | 8.5% | 0.2% |
Refer to the standard of DIN17662 ISO 4382-2: 1991; CW453K. The actual composition proportion is allowed to up or down in certain range
Available Types:
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