Brand:TAOBAO
creamic ball bearing
1) Corrosion resistant
2) High temperature resistant
3) Stable dimensions
4) Mechanical character
Materials:zirconia Ceramic (High density,High toughness)
1,Specifications:
Item | Units | ZrO2 |
Density | g/cm3 | 6.05 |
Water absorption | % | 0 |
Coefficient of thermal expansion | 10-6/k | 10.5 |
Young's modulus | GPa | 210 |
Poisson's ratio | / | 0.3 |
Hardness (Hv) | MPa | 1200 |
Bending strength (room temperature) | MPa | 950 |
Bending strength (700ºC) | MPa | 210 |
Compressive strength (room temperature) | MPa | 2000 |
Fracture toughness | MPa•m1/2 | 10 |
Thermal Conductivity (room temperature) | W/m•k | 2 |
Resistance ratio(room temperature) | Ω•mm2/m | >1015 |
Maximum temperature (No load) | ºC | 750 |
Corrosive acid Resistance | / | strong |
2,Size:Ø0.5mm~Ø100mm Standard, non-standard balls
3,Accuracy:China Standard:GBC308-2002(the current standard)
grade | Vdws | ΔSph | Ra | Vdwl | gauge interval | gauge | Divider gauge interval | Divider value |
3 | 0.08 | 0.08 | 0.01 | 0.13 | 0.5 | -5,…-0.5,0,+0.5…+5 | 0.1 | -0.2,-0.1,0,+0.1,+0.2 |
5 | 0.13 | 0.13 | 0.014 | 0.25 | 1 | -5,…-0.5,0,+0.5…+5 | 0.2 | -0.4,-0.2,0,+0.2,+0.4 |
10 | 0.25 | 0.25 | 0.02 | 0.5 | 1 | -9,…-1,0,+1…+9 | 0.2 | -0.4,-0.2,0,+0.2,+0.4 |
16 | 0.4 | 0.4 | 0.025 | 0.8 | 2 | -10,…-2,0,+2…+10 | 0.4 | -0.8,-0.4,0,+0.4,+0.8 |
20 | 0.5 | 0.5 | 0.032 | 1 | 2 | -10,…-2,0,+2…+10 | 0.4 | -0.8,-0.4,0,+0.4,+0.8 |
24 | 0.6 | 0.6 | 0.04 | 1.2 | 2 | -12,…-2,0,+2,..+12 | 0.4 |
|
28 | 0.7 | 0.7 | 0.05 | 1.4 | 2 | -12,…-2,0,+2…+12 | 0.4 | -0.8,-0.4,0,+0.4,+0.8 |
40 | 1 | 1 | 0.06 | 2 | 4 | -16,…-4,0,+4…+16 | 0.8 | -1.6,-0.8,0,+0.8,+1.6 |
60 | 1.5 | 1.5 | 0.08 | 3 | 6 | -18,…-6,0,+6…+18 | 1.2 | -2,-1.2,0,+1.2,+2 |
100 | 2.5 | 2.5 | 0.1 | 5 | 10 | -40,…-10,0,+10…+40 | 2 | -4,-2,0,+2,+4 |
200 | 5 | 5 | 0.15 | 10 | 15 | -60,…-15,0,+15…+60 | 3 | -6,-3,0,+3,+6 |
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