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HTB-330 Steel and copper casting bearings

 
 
  HTB-330 high-quality steel as substrate, the hole covered with a special wear-resistant copper alloy material. At the same time according to customer requirements can be processed in the copper alloy surfaces rules tanks, in order to improve lubrication. This kind of material has a low coefficient of friction, good abrasion resistance, high dimensional accuracy, impact resistance, high temperature characteristics. It can be used for high-precision stamping dies, molds and other auto coverage frequently work reciprocates the guide sleeve.

Performance
Relevant data
Performance
Relevant data
Steel base
≥50HRC
copper
≥80HB
The maximum static load
50N/mm2
Maximum dynamic bearing
30N/mm2
Maximum speed
2m/s
The maximum PV value
1.8N/mm2.m/s
Friction coefficient
0.03 - +0.20
temperature
-50~+250
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