This is an environmentally friendly, lead-free bearing material. Copper-tin alloy is sintered onto a steel backing, and the bearing surface is a mixture of polytetrafluoroethylene (PTFE) and a special filler. Friction is very low and the bearing exhibits excellent durability under boundary and fluid lubrication conditions and has good sliding characteristics due to PTFE, the special filler, the strength of the metal material and dimensional stability.
Automotive parts such as shock absorbers
Specific Load MPa | Sliding Speed m/min | Service temp. Range °C (Min. to Max.) | Friction Coefficient μ | Tolerance of Foreign Particles | ||
---|---|---|---|---|---|---|
Normal | Max | Normal | Max | |||
Below 29.4 | 137 | Below 180 (Boundary lubrication) | 240 (Boundary lubrication) | -200 ~ 280 | 0.01~0.1 (Boundary lubrication) | Low |
Structure | Sliding Layer Component | Wear Resistance | Load Resistance | ||||
---|---|---|---|---|---|---|---|
No Lubrication | Grease | Boundary and Fluid | No Lubrication | Grease | Boundary and Fluid | ||
With steel backing | PTFE+α | 3 | 4 | 5 | 3 | 4 | 4 |
Tolerance of Foreign Particles | Sliding Speed | Friction Coefficient | Effect of Various Atmospheres | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
No Lubrication | Grease | Boundary and Fluid | No Lubrication | Grease | Boundary and Fluid | In Air | In Vacuum | In Water | In Vapor | In Acid or Alkali | |
3 | 3 | 3 | 5 | 4 | 4 | 5 | 5 | 5 | 3 | 3 | 3 |
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