Ceramic Bearing > PRODUCT

  • Head Quarters
    122, Jomaru-ro 385beon-gil, Bucheon-si, Gyeonggi-do, Korea (Sambo Techno Tower #1014, 1015, 1016, and B118)
  • Overseas Corp.
    上海编倍国际贸易有限公司 / RM 607, Haiqi Bldg., #6818-10,
    ZhongChun Road, Minhang District, Shanghai, China

Bearing.Ceramic Bearing Ceramic Bearing

A ceramic bearing is suitable for any environment in which wear, corrosion, thermal resistance, and electric insulation are required, so metal bearings are not suitable.

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Ceramic Bearing Components
Inner/Outer ring

ZrO2 (Zirconia), Si3N4 (Silicon Nitride), SiC (Silicon Carbide)

Retainer (CAGE)
PTFE, PEEK, UPE, PVDF, PA66, PP, SUS304, SUS316, etc. Plastic
Ball
Zr02 (Zirconia), Si3N4 (Silicon Nitride), SiC (Silicon Carbide)
Ceramic physical properties
assortment Alumina (AI203) Zirconia (ZrO2) Silicon Nitride (Si3N4) Silicon Carbide (SiC)
purity %
Purity
99.9 99.9 98 ~ 99 99.99
Density [glee]
Bulk Density
3.9이상 5.5 ~ 6.0 3.25 3.02
HIVickers Hardness[Gpa]
Load 0.5kg HVl=9.807N
17.2~17.5 12.5 ~ 13 14 6
Bending Strength [Mpa]
B
345 ~ 370 890 ~ 930 880 250
Compressive Strength [Mpa]
2,350 ~ 2,400 5,100 ~ 5,400 3,820 2,700
Youngs Modulus [Gpa]
370 200 ~ 210 300 270
Poissons Ratio
0.23 0.3 0.28 0.24
Thermal Condurtivity RT[W/mk]
30 2.9 ~ 3.1 30 175
Thermal Expansion [x10/℃]
7.8 9 ~ 11 2.6 ~ 2.8 4.3
Heat Shock Strength [l'>T(℃)]
350 350 750 400
Max Usable Temperature [℃]
1,400 ~ 1,800 1,400 1,200 1,300
ax Usable Temperature [25 ℃ 1MHZ]
10 30 ~ 33 9.6 2.7