Oil impregnated bearings(Fe-Based and Cu-Based)
The Performances of the oil impregnated bearings:
| No. |
Performances |
| Descriptons |
Unit |
Copper-based |
Copper-iron based |
iron-based |
| 1 |
Density |
g/cm3 |
6.5-7.2 |
6.0-6.7 |
5.9-6.5 |
| 2 |
Surface porosity |
/ |
When the
temperature
pises,the
lubricant comes
out of slide
surface |
| 3 |
Noise（Distance
50mm) |
db |
Below 20 |
| 4 |
Abrasion
Value(2000rpm×400g×2000h) |
μ |
Below 15 |
| 5 |
Oil-impregnated
Rate |
vol% |
Above 18 |
| 6 |
Crushing
Strengtn |
MPa |
Above 150 |
Above 250 |
Above 280 |
| 7 |
Hardness
(300g/30s) |
MHV |
60-90 |
60-90 |
60-110 |
| 8 |
Friction
Factor(300rpm×500g) |
/ |
Below 0.15 |
Below 0.25 |
Below 0.25 |
| 9 |
Life(2000rpm×400g) |
h |
Above 2000 |
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