
6202CE Si3n4 / Zro2 Material Full Ceramic Deep Groove Ball Bearing
Si3N4 Ceramics is a new type of non-metallic ceramic material. It is characterized by high strength at room temperature and high temperature, and the strength of Si3N4 can be maintained at 1200 ℃.
In line with our corporate vision of producing the safest, most environmentally friendly and energy efficient ceramic fiber tape data sheet, high alumina ceramic tiles, ceramic fiber clothing, we are increasing our investment in technological innovation and product improvement. Our company has a sound after-sales service network organization. We encourage our employees to be innovative and go above and beyond, and it is our shared goal to create an environment that respects differences, rewards high performance, and fosters responsibility and employee dedication. We have gradually formed a distinctive corporate safety culture based on inheriting and carrying forward the fine traditions and styles formed over a long period of time.
Product Description
Si3N4 Ceramics is a new type of non-metallic ceramic material. One of the popular product of Si3N4 ceramics is Si3N4 tube. The tubes are mainly used in conjunction with thermocouples to protect them. It allows the thermocouple to operate properly in special environments and to resist high pressures and high flow rates.
Process Method
It uses silicon powder as raw material and is first made into the desired shape using the usual molding method. Initial nitriding is done in nitrogen at 1200°C, so that part of the silicon powder reacts with nitrogen to form silicon nitride. This way the whole body already has some strength. It is then nitrided a second time in a high-temperature furnace at 1350°C to 1450°C to react with the silicon nitride.
Specifications
Thermocouple protection tube: diameter Φ12-80mm, length 600-1800m

Data Sheet
Items | Data |
Sintering method | gas pressure sinter |
Density | >3.2g/cm3 |
Si3N4 content | >92% |
Flexural strength | >750Mpa |
Compressive strength | >1500Mpa |
Thermal conductivity (W/mk) | >22 |
Porosity | 0 |
Thermal expansion coeff. (RT-1000℃) | 3.2 |
Max temperature in air | 1400℃ |
Hardness (HRA) | >92 |
Q&A
1. How long is the service time of Si3N4 ceramics?
It will be different as per your application. The general period is 25-30days.
2. What is the payment terms?
Our payment terms are T/T, L/C or as per your request.
Producing superb 6202CE Si3n4 / Zro2 Material Full Ceramic Deep Groove Ball Bearing and creating high quality brands is the pursuit of our enterprise as always, and it is our aim to constantly surpass and never stop. With the experienced R & D team, the concept of improving quality and perfect service, we have won the praise of customers. Our people-oriented concept is concentrated on the enterprise's concern for employees, taking the personal interests of each employee as the starting point.
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