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By certification 
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Double layer composite self-lubricating bushing
Steel or aluminum + PTFE
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Different from the traditional double-layer material of steel/aluminum + PTFE film, the self-developed steel/aluminum + PTFE can be customized according to customer needs, and its performance, friction coefficient and wear amount are better than similar foreign products. The friction coefficient is less than 80% of similar foreign products, and the service life is 1.2 times greater than that of similar foreign products.
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In harsh chemical environments, metal-backing can be made of steel and aluminum. As an alternative to the inner diameter fine-tuning process, this structure can be machined to achieve tight inner diameter tolerances. The thicker PTFE ensures noise isolation and a gap-free bushing design. Mainly used in car seat adjustment systems, door cover hinges, bicycle bowl sets, brake grips, foot pedals, forks, etc
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|
Bearing and material properties |
Unit |
Value |
|
|
Maximum load p |
Static |
N/mm 2 |
95 |
|
dynamic |
N/mm 2 |
200 |
|
|
Operating temperature |
Minimum |
℃ |
-40 |
|
Maximum |
℃ |
95.7 |
|
|
Amount of wear |
 |
mm |
0.1-0.2 |
|
Maximum line speed |
 |
m/s |
2.5 |
|
Coefficient of friction f |
 |
 |
0.128 |
|
Surface roughness , Ra |
 |
μm |
≤0.8 |
|
Shaft hardness |
≥25°HRC |
||
http://www.gtb-bearing.com/
