The lighter specific gravity of pressureless sintered silicon carbide bush can make the weight of the bearing lighter, thereby reducing energy consumption. Its extremely high hardness makes the surface of the all-ceramic bearing smoother, the geometric shape is better, and the running noise is reduced, making the equipment more precise, harder and more resistant to strong corrosion, and directly prolongs the service life of the bearing.

Silicon Carbide Bearing Bush Features

  • High hardness makes it an extremely abrasion resistant material
  • High thermal conductivity, high tensile strengh and low thermal expansion makes it very resistant to thermal shock
  • Superior performance in environments of hot gasses and liquids including strong acids and bases, even at extremely high temperatures


  Tecsic-P (SSIC) Tecsic-BN (SSIC+BN)
Composition SiC 98% SiC 90%
Grain Size µm 5 6
Bulk Density g/cm3 3.1 2.8
Hardness HV 2600 2300
Compressive Strength MPa 3400 760
Flexural Strength MPa 400 230
Modulus of Elasticity GPa 425 280
Coeff of Thermal Exp 4.3x10-6 4.3x10-6
Thermal Conductivity (R.T.) W/m.K 104 110

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