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Member Since 9 Years
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GST No. 02AABCD4351K1ZZAsk for more detail from the seller
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Ceramic balls are spherical, rolling elements that provide higher stiffness, lower thermal expansion, lighter weight, increased corrosion resistance, and higher electrical resistance than steel balls. They are made from a variety of ceramic materials.
Ceramic balls are spherical, rolling elements that provide higher stiffness, lower thermal expansion, lighter weight, increased corrosion resistance, and higher electrical resistance than steel balls. They are made from a variety of ceramic materials.
| Si3N4 | ZrO2 | SiC | Al2O3 | STEELS | |||
| Item | Unit | - | - | - | - | Bearing Steel | Stainless Steel |
| Density | g/cm3 | 3.2~3.3 | 6 | 3.1~3.2 | 3.95 | 7.85 | 7.9 |
| coefficient of linear expansion | 10-6/K | 3.2 | 10.5 | 4.5 | 8.5 | 10 | 11 |
| Young’s modulus | Gpa | 300~320 | 210 | 350 | 380 | 208 | 200 |
| Poisson’s ratio | - | 0.26 | 0.3 | 0.2 | 0.22 | 0.3 | 0.3 |
| HRC Hardness | - | 1400~1600 | 1000~1200 | ≥2500 | 1600~1800 | 700 | ≤30-62 |
| Bending strength | Mpa | ≥800 | 950~1200 | ≥350 | 300~500 | 2400 | - |
| Fracture toughness | MPam1/2 | 5.0~8.0 | 8.0~10.0 | 3.0~4.0 | 3.0~4.0 | 25 | - |
| Thermal conductivity | W/mK | 35 | 2~3 | 150 | 30 | 30~40 | 15 |
| Special electrical Resistance | Ωmm2/m | 1018 | 1015 | 1013 | 1018 | 0.1~1 | 0.75 |
| Corrosion Resistance | - | Good | Good | Good | Good | Poor | Poor |
| Self-lubrication | - | Good | Good | Good | - | Poor | Poor |
| Magnetism | - | - | - | - | Magnetic | Magnetic | |
| Centrifugal force | - | Little | - | - | - | High | High |
| Rolling Contact Fatigue | - | Spalling | Crush | Crush | Crush | Spalling | - |
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Baddi, Solan, Himachal Pradesh 
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