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Bearing.Plastic Bearing UPE Plastic Bearing
Anticorrosive UPE Bearing
It pertains to a high-density polyethylene with 1 million or higher average molecular weight and is otherwise known as UHMW-PE and UPE.
Among engineering plastics, it has the highest impact resistance and significant wear resistance,
so it is widely used for its low friction factor, wear, and impact resistance on equipment such as guide rails, chain guides, chain conveyors, and rollers of return machines.
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- Advantages
-
It has the best impact and wear resistance among plastics.
It is nontoxic, so it is safe to contact food directly.
It has outstanding acid resistance, making it applicable to corrosive chemicals except for strong acids.
At -270 °C or lower, it can keep its high impact and wear resistance properties.
- Disadvantages
-
The surface is soft.
The workability is not good.
| Inner/Outer ring | Ball | CAGE | Working Temperature (°C) |
|---|---|---|---|
| UPE | GLASS / ZrO2 / Si3N4 / PP / SiC / SUS304 / SUS316 | UPE / PTFE / PVDF | -100 ~ 80 |