
Specifications
ptfe piston rings
1, Custom-made
2, PTFE with lead 0.01-0.03mm
3, Steel backing
DU Oilless bearing bushing, Self-Lubricant Bearing Bushing
1. Custom-made
2. Competitive price
Structure
1. PTFE with lead 0.01-0.03mm
2. Porous bronze 0.2-0.3 mm
3. Steel backing
4. Copper/Tin plating 0.002mm
Tech.Data
Max.Load | Static | 250N/mm2 | Friction Cofee. | 0.03-0.20u | |||
Dynamic | 140N/mm2 | Speed limit | Dry | 2m/s | |||
Oscillating | 60N/mm2 | Oil | 5m/s | ||||
PV limit | Dry | 3.6N/mm2×m/s | Thermal conductivity | 2.41Kcal/M.br.C | |||
Oil | 50N/mm2×m/s | ||||||
Coeff.of linear expansion | 27×10-6per°C | ||||||
Temp.limit | -195°C~+280°C |
Application characteristics
1. It may be used where no oil can be applied or oil is difficult to be applied.
2. It has the advantage of low wear, low friction and with long life.
3. Load will spread over a wider area due to the bearing material's elastic nature.
4. Low stick slip properties ensuring accuracy of machine operation under low sliding speeds.
5. Low vibration, low noise and non-pollution in operation.
6. PTFE and Lead film is transferred to the mating shaft to improve running properties.
7. It can be used in low hardness of mating shaft, so the shafts processing is easy.
8. The machine will be compact because of the thin thickness and low weight of the bush.
9. Electro plating is possible to prevent corrosion.
ZHEJIANG TOP BEARINGS CO., LTD.
ZHEJIANG TOP BEARINGS CO., LTD. is a manufacturer and distribution of sliding bearings. Our products have been widely applied to more than 30 industries like automobile, engineering machinery, metallurgy, water conservancy and hydroelectric power and mechanical manufacturing. Also we can design for customer's specific requirement.
We have reformed boldly, absorbed social elites through strengthening talent training, fully implemented modern management mechanism and new marketing strategy and been dedicated to long-term development of self-lubricating bearing industry. To control quality strictly, we set up a complete quality management system (ISO9001 and ISO/TS16949) in the quality policy of “Top Quality, Top Credit, Sustainable Growth”. Our quality and performance have reached advanced level.
To expand more markets, stand on the word and meet diversified requirements of customers, we are actively expanding and integrating with international markets. Now our products are available in more than 20 countries and regions in Western Europe, America and Southeast Asia. We’ll strengthen industrial horizontal integration further, create scale effect, open up emerging fields and develop industrial advantages to realize our strategic target and create a bright future with friends.