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Help CenterBearing Plastic Coated Ceramic Race U Groove Pulley
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Bearing Plastic Coated Ceramic Race U Groove Pulley
a) 95% Al2O3 b) 99% Al2O3 c) 99% Al2O3
2) Other materials available upon request
3) Tolerance: according DIN ISO 2768-1
4) Surface roughness: 1-0.1μm
5) Vickers hardness: 1,8002,000
6) Special types available according to customer's drawings or samples
1) Wear resistant
2) Corrosion resistant
3) Heat resistant
4) Stable dimensions
5) Lightweight
6) Long performance life
Name |
Unit |
Slim |
|
|
Material |
|
Al2O3 95%-97% |
Al2O3 99% |
Al2O3 99.7% |
Density |
g/cm3 |
3.7 |
3.85 |
3.9 |
Flexural Strength |
Mpa |
300 |
340 |
390 |
Compressive Strength |
Mpa |
3400 |
3600 |
3900 |
Modulus of Elasticity |
Gpa |
350 |
380 |
390 |
Impact Resistance |
Mpa m1/2 |
4.0 |
5 |
5.2 |
Waybill Modulus |
m |
10.0 |
10 |
12 |
Vickers Hardness |
HV0.5 |
1800.0 |
1900 |
2000 |
Thermal Expansion Coefficient |
10-6K-1 |
5.0-8.3 |
5.4-8.3 |
5.5-8.4 |
Thermal Conductivity |
W/mK |
24 |
27 |
28 |
Thermal Resistance |
T°C |
250 |
270 |
280 |
Maximum Use Temperature |
°C |
1600 |
1650 |
1700 |
Volume Resistivity at 20°C |
Ω |
≥1014 |
≥1014 |
≥1015 |
Dielectric Constant |
KV/mm |
20 |
25 |
30 |
Open Porosity |
% |
0 |
0 |
0 |
Dielectric Constant |
ξr |
10 |
10 |
10 |
Dielectric Loss Angle |
Tanσ |
0.001 |
0. |
|
Ceramics Processing
Packaging&Shiping
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