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Silicon Nitride Ceramic Ball Machining Ceramic Parts For Ball Bearing

Categories Machining Ceramic Parts
Brand Name: China
Model Number: 008
Place of Origin: Suzhou,China
MOQ: 100pcs
Price: Negotiable
Payment Terms: T/T
Supply Ability: 10000 Piece/Pieces per Month
Delivery Time: 25 days
Packaging Details: Box, Carton, Wooden, Bag etc. Customized package
Product name: High Precision Silicon Nitride Ceramic Ball for Ball Bearing
Material: Silicon Nitride
Application: Industrial Ceramic
Fracture toughness: 5.0~7.0
Water Absorption: 0%
Electrical Insulation: excellent
Density: 3.2g/cm3
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Silicon Nitride Ceramic Ball Machining Ceramic Parts For Ball Bearing

High Precision Silicon Nitride Ceramic Ball for Ball Bearing


Description:


Silicon Nitride has the most versatile combination of mechanical, thermal, and electrical properties of any technical ceramic material. It is a high performance technical ceramic that is extremely hard and has exceptional thermal shock and impact resistance. It surpasses most metals high temperature capabilities and has a superior combination of creep and oxidation resistance and high strength. Additionally, its low thermal conductivity and high wear resistance make it an excellent material that can withstand the toughest of conditions in the most demanding industrial applications. Silicon Nitride is an excellent choice when high-temperature and high-load abilities are needed.


Technical Parameters:


Mechanical behaviorUnitAl2O3SiCSi3N4ZrO2
Colour-------Light yellowblackblackwhite,black
Densityg/cm33.953.153.26
Bending strengthMPa300~400400~500800~1200950~1200
Elastic modulus EGPa380350300-320210
Poisson's ratio0.220.140.26--------
HardnessHv18002000~25001400~1700
1100~1300
HRC8085~9075~8070~75
Fracture toughnessMPa·m1/23.0~4.03.0~4.05.0~7.08.0~10.0
Maximum use temperature10001300400400
Thermal expansion coefficient10-6/℃8.443.310.3


G5G10 G16G20 G28 G40
ClassⅠLiquid oxygen pump,Active shaft bearingThe key parts of aerospace equipment
ClassⅡVaccum equipment,high speed instrument,mechanical devices,high performance and the most advanced contacting spherical propellerMotor,medium-low precision star bearingTesting bearing ball,separating bearing ball
ClassⅢSport,entertrainment,food processingMechanical devices


Advantages:


1. High Strength over a wide temperature range.
2. High Fracture toughness.
3. High Hardness.
4. Outstanding Wear Resistance ,both impingement and frictional modes.
5. Good Thermal Shock Resistance.

Application:


Most ceramic balls are mounted in the bearing (high-speed bearing, high precision bearing, vacuum bearing, high/low-temperature bearing, nonmagnetic bearing, high precision ball screws) for the high technology industry, such as aerospace and national defense and etc. The ceramic balls can also be used for chemistry, metallurgy, medical treatment, food industry, oilfield, electronic engineering and etc.


More pictures:



China Silicon Nitride Ceramic Ball Machining Ceramic Parts For Ball Bearing factory
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