Ceramic Fixed Base

Ceramic Fixed Base Bearing
TECHNICAL SPECS
Material Aluminum Oxide (Al2O3)
Color White
Size 20x42x15mm
Accuracy 0.008mm
Maximum Temperature 400℃(752F)
Circular Runout 12um
Perpendicularity 12um
Circularity 10um
Parallelism 15um
Applications Chemicals, aerospace, medicine, environmental protection equipment, electronics industry. High temperature processing equipment
RoHS Compliant
MATERIAL PROPERTIES
Density g/cm3 (lb/ft3) 3.89(242.8)
Porosity %(%) 0(0)
Color ivory
Flexural Strength(MPa (lb/in2x103)) 379(55)
Elastic Modulus(GPa (lb/in2x103)) 375(54.4)
Shear Modulus(GPa (lb/in2x106)) 152(22)
Bulk Modulus(GPa (lb/in2x106)) 228(33)
Poisson’s Ratio 0.22(0.22)
Compressive Strength(MPa (lb/in2x103)) 2600(377)
Hardness(Kg/mm2) 1440
Fracture Toughness KIC(MPa•m1/2) 4
Maximum Use Temperature (no load)(°C(°F)) 1750(3180)
Thermal Conductivity(W/m°K (BTU•in/ft2•hr•°F)) 35(243)
Coefficient of Thermal Expansion(10–6/°C (10–6/°F)) 8.4(4.7)
Specific Heat(J/Kg•°K (Btu/lb•°F)) 880(0.21)
Dielectric Strength(ac-kv/mm (volts/mil)) 16.9(420)
Dielectric Constant(@ 1 [email protected] 1 MHz) 9.8(9.8)
Volume Resistivity(ohm•cm) >1014
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