Silicon Carbide (SiC) Bearing

Edgetech Industries, Advanced Ceramics Division supplies high-quality and competitive price advanced Silicon Carbide (SiC) Bearing.

SKU: SiC-B

Silicon Carbide (SiC) Bearing 

 

Silicon carbide (SiC) is a has excellent thermal conductivity, corrosion resistance, and with low thermal expansion. Silicon carbide is an excellent ceramic material for applications requiring good erosion and abrasive resistance. Silicon carbide is an ideal material for sealing rings and bearings.

Edgetech Industries, Advance Ceramics Division supplies rings and bearings made by SiC as well as other SiC parts. Bearings made by other ceramic materials, such as ZrO2 and Si3N4 are also available.

 

Silicon Carbide Bearing Properties

 

Compound FormulaSiC
Molecular Weight40.1
AppearanceBlack
Melting Point2,730° C (4,946° F) (decomposes)
Density3.0 to 3.2 g/cm3
Electrical Resistivity1 to 4 10x Ω-m
Poisson’s Ratio0.15 to 0.21
Specific Heat670 to 1180 J/kg-K

 

Silicon Carbide Bearing Specifications

 

 Value
Inner Diameter (ID)4~100mm
Outer Diameter (OD)ID + 5~40mm
Length/Thickness4~34mm
MaterialSiC, ZrO2, Si3N4

 

Silicon carbide ceramics maintains its high mechanical strength in temperatures as high as 1,400C It has higher chemical corrosion resistance than other ceramics.

 

Silicon Carbide Products

 

We offer a complete family of fully dense silicon carbide ceramics materials. These materials have the following key characteristics:

 

Material Properties Reaction Bonded Silicon Carbide:

 

Densitygm/cc3.1
Crystal Size (Average)Microns12
Water absorption (open porosity)%0
Gas permeability%0
Color¯Black
Flexural Strength (MOR) 20°CMPa (psi x 103) 462 (67)
Elastic Modulus 20°CGPa (psi x 106) 393 (57)
Poisson’s Ratio 20°C¯ 0.20
Compressive Strength 20°CMPa (psi x 103) 2700 (363)
HardnessGPa (kg/mm2) 26 (2500)
 R45N –
Tensile Strength 25°CMPa (psi x 103) 307 (44.5)
Fracture Toughness K (I c)mpa m1/2 4
Thermal Conductivity 20°CW/m K125
Coefficient of Thermal Expansion 25-1000°CX 10-6/°C4.3
Specific Heat 100°C880 J/kg*K800
Thermal Shock Resistance ΔTc °C400
 Maximum Use Temperature  °C 1000
Dielectric Strength 6.35mmac-kV/mm (ac V/mil) –
Dielectric Constant 1 MHz25°C –
Dielectric Loss (tan delta) 1 MHz25°C –

 

Sintered Silicon Carbide:

 

Densitygm/cc3.15
Crystal Size (Average)Microns43169
Water absorption (open porosity)%0
Gas permeability%0
Color¯Black
Flexural Strength (MOR) 20°CMPa (psi x 103)480 (70)
Elastic Modulus 20°CGPa (psi x 106) 410 (59)
Poisson’s Ratio 20°C¯ 0.21
Compressive Strength 20°CMPa (psi x 103) 3500 (507)
HardnessGPa (kg/mm2) 26 (2800)
 R45N –
Tensile Strength 25°CMPa (psi x 103) –
Fracture Toughness K(I c)mpa m1/2 4
Thermal Conductivity 20°CW/m K150
Coefficient of Thermal Expansion 25-1000°CX 10-6/°C4.4
Specific Heat 100°C880 J/kg*K800
Thermal Shock Resistance   ΔTc °C300
 Maximum Use Temperature  °C 1600
Dielectric Strength 6.35mmac-kV/mm (ac V/mil) –
Dielectric Constant 1 MHz25°C –
Dielectric Loss (tan delta) 1 MHz25°C –

 

Packing of Silicon Carbide

 

Our Silicon Carbide Bearing is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

 

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