
High Speed Hybrid Si3n4 7X19X6 mm Ceramic Ball Bearing 607ce
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 ℃.
We will try our best to cater to the needs of customers, design and manufacture ceramic fiber tape suppliers, Sic Rods Heating Elements, ceramic fiber blankets gasket that are 100% satisfied by customers, and achieve the best benefits for customers. We stand in the overall situation of the industry to analyze the market for our customers and recommend products that meet their requirements and take into account the cost performance. In the new situation, we have boosted our confidence in development, improved our management level and continuously optimized our industrial layout. The innovative development of the company cannot be achieved without the joint efforts of the team, which requires tacit cooperation within the team and full cooperation between the teams. We take the client first and sincere cooperation as our principle, and sincerely look forward to communicating and cooperating with you and developing together.
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.
Our company insists on serving the market with science and technology, promoting the rapid transformation of product technology into productivity, and constantly providing users with appropriate and high-quality High Speed Hybrid Si3n4 7X19X6 mm Ceramic Ball Bearing 607ce. R&D and production and excellent technology integration capabilities are our core competitiveness, we will continue to offer customers with high-quality products. We are straightforward and objective in dealing with issues, seeking common ground while reserving differences and considering the big picture.
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