Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Ability | 10000 pieces |
Delivery Time | 5-8 working days |
Packaging Details | Strong wooden box for Global shipping |
Material | silicon nitride |
Size | Customized |
Features | excellent wear resistance; chemical inertness; no grinding in the product to be crushed; long service life |
Color | Black |
Brand Name | ZG |
Model Number | MS |
Certification | CE |
Place of Origin | CHINA |
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Product Specification
Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 10000 pieces |
Delivery Time | 5-8 working days | Packaging Details | Strong wooden box for Global shipping |
Material | silicon nitride | Size | Customized |
Features | excellent wear resistance; chemical inertness; no grinding in the product to be crushed; long service life | Color | Black |
Brand Name | ZG | Model Number | MS |
Certification | CE | Place of Origin | CHINA |
High Light | Si3N4 Silicon Nitride Ceramic Balls ,Rolling Bearings Silicon Nitride Balls ,3.2g/Cm3 Density Silicon Nitride Balls |
Ceramic rolling bodies (balls, rollers) for rolling bearings
Ceramic rolling balls for rolling bearings with high-strength,resistant to corrosion and wear
Ceramic rolling elements for bearings have provided a new level of bearing performance and reliability. Thanks to unique properties of ceramic materials (primarily silicon nitride) it has been possible to significantly improve the durability and speed characteristics of bearings.
Related Data
Main component | 99%Al2O3 | S-SiC | ZrO2 | Si3N4 | ||
Physical Property | Density | g/cm3 | 3.9 | 3.1 | 6 | 3.2 |
Water Absorption | % | 0 | 0.1 | 0 | 0.1 | |
Sinter Temperature | °C | 1700 | 2200 | 1500 | 1800 | |
Mechanical Property | Rockwell Hardness | HV | 1700 | 2200 | 1300 | 1400 |
Bend Strength | kgf/mm2 | 3500 | 4000 | 9000 | 7000 | |
Compression Intensity | Kgf/mm2 | 30000 | 20000 | 20000 | 23000 | |
Thermal Property | Maximum working temperature | °C | 1500 | 1600 | 1300 | 1400 |
thermal expansion coefficient 0-1000°C | /°C | 8.0*10-6 | 4.1*10-6(0-500°C) | 9.5*10-6 | 2.0*10-6(0-500°C) | |
5.2*10-6(500-1000°C) | 4.0*10-6(500-1000°C) | |||||
Thermal Shock resistance | T(°C) | 200 | 250 | 300 | 400-500 | |
Thermal Conductivity | W/m.k(25°C | 31 | 100 | 3 | 25 | |
300°C) | 16 | 100 | 3 | 25 | ||
Electrical Property | Resisting rate of Volume | ◎.cm | ||||
20°C | >1012 | 106-108 | >1010 | >1011 | ||
100°C | 1012-1013 | – | – | >1011 | ||
300°C | >1012 | – | – | >1011 | ||
Insulation Breakdown Intensity | KV/mm | 18 | semiconductor | 9 | 17.7 | |
Dielectric Constant (1 MHz) | (E) | 10 | – | 29 | 7 | |
Dielectric Dissipation | (tg o) | 0.4*10-3 | – | – | – |
At present, wear-resistant parts made of ceramic materials, cemented and graphite are an integral part of pumps, compressors, turbines and pipeline fittings.
Main applications:
Advantage of ceramic materials:
Materials:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter
Year Established:
2007
Total Annual:
5000000-8000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Henan ZG Industrial Products Co. Ltd. was founded by specialists of leading industrial institutes in Zhengzhou city, China in 2007. Our company manufactures, complex develops, supplies, introduces and upgrades products from technical ceramics, heating elements and graphite. We provide servic... Henan ZG Industrial Products Co. Ltd. was founded by specialists of leading industrial institutes in Zhengzhou city, China in 2007. Our company manufactures, complex develops, supplies, introduces and upgrades products from technical ceramics, heating elements and graphite. We provide servic...
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