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(Bearing compatible with aluminum alloy as the mating material)
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Standard Product INDEX
| Oiles #88-03 Rod material |
88M |
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| Features |
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Applicable without lubrication. |
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OILES #88-03 displays superior bearing performance, by improving wear resistance and abrasion resistance against aluminum alloy or soft metal,which has historically been a problem in applications. |
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Displays superior resistance, compared with PE and POM and so forth. |
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Complex shapes can be manufacutured by injection molding process and this material is best suited for mass-production. |
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Standard rod material is available as for custom fabricating. |
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| Service Range |
| Lubrication conditions |
none |
| Service temperature range |
-40~+120 |
P max.
N/mm2{ kgf/cm2} |
24.5(137){ 250(1400)} |
V max.
m/s{ m/min} |
1.15{ 69} |
PV max.
N/mm2·m/s{ kgf/cm2·m/min} |
3.25{ 1990} |
| * Alluminum alloy or steel is used as a mating material for the value above. |
| Mechanical Properties |
| Specific gravity |
ASTM D 792 |
- |
1.27 |
| Tensile strength |
ASTM D 638 |
MPa{kgf/cm2} |
49.6{505.8} |
| Tensile elongation at break |
ASTM D 638 |
% |
4.2 |
| Flexural strength |
ASTM D 790 |
MPa{kgf/cm2} |
79.9{814.8} |
| Flexural modulus |
ASTM D 790 |
MPa{kgf/cm2} |
2,578{26,288} |
| Compressive stress 1% deformation |
ASTM D 695 |
MPa{kgf/cm2} |
22.8{232.5} |
| 5% deformation |
ASTM D 695 |
MPa{kgf/cm2} |
71.8{732.2} |
| Compressive modulus |
ASTM D 695 |
MPa{kgf/cm2} |
2,175{22,179} |
| Hardness |
ASTM D 785 |
- |
HRM72.5 |
| Izot impact strength (with notch) |
ASTM D 256 |
J/m{kgfｃｍ/cm2} |
27.7{2.8} |
| Water absorption rate |
ASTM D 256 |
% |
0.05 |
| Deflection temperature under load (1.82MPa) |
ASTM D 648 |
℃ |
68 |
| Co-efficient of thermal linear expansion |
ASTM D 696 |
×10-5℃-1 |
10~17 |
| UL incombustibility |
UL 94 |
File No E78113 |
HB |
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| Test data |
| Journal rotation test (comparison with other polyamid bearing) |
| Bearing dimension |
Ф10×Ф14×L10 |
| Mating material |
Aluminum alloy (A5056) |
| Pressure |
0.98N/mm2{10kgf/cm2} |
| Velocity |
0.25m/s{15m/min} |
| Test time |
200h (Intermittent operations by 12sOn and 1sOFF) |
| Lubrication |
None |
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| Journal rotation test (comparison with other polyacetal bearing) |
| Bearing dimension |
Ф10×Ф14×L10 |
| Mating material |
Aluminum alloy (A5056 with surface roughness 0.6ωmRa) |
| Pressure |
0.98N/mm2{10kgf/cm2} |
| Velocity |
0.17m/s{10m/min} |
| Test time |
50h |
| Lubrication |
None |
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| Products | Bearing Top |