Lianyungang Highborn Technology Co., Ltd.

Ceramic Bearing, Silicon Nitride Bearing, Silicon Nitride Ceramic Bearing manufacturer / supplier in China, offering High Efficiency Silicon Nitride Ceramic Bearing, Fire Polish Clear Arc Fused Quartz Glass Board, Fire Polish Wall Thickness Fused Silica Glass Tube and so on.

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High Efficiency Silicon Nitride Ceramic Bearing

FOB Price:US $3 - 20 / Piece
Min. Order (Pieces) FOB Price
10+ US $3-20 / Piece
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Min. Order: 10 Pieces
Production Capacity: 100000/Month
Transport Package: Standard Export Cartons/Wooden Box/Tray
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info.

Model NO.:BBS-1
Refractoriness (℃):1580< Refractoriness< 1770
Feature:Long Time Materials
Type:Heat-Resistant Material
Shape:Ball
Material:Silicon Nitride
Name:High Efficiency Silicon Nitride Ceramic Bearing
Color:Black
Size:Customised
Usage:Refractory
Surface Treatment:Polishing
Max. Working Temperature:1550°c
Density:3.26g/cm3
Machining Method:Grinding
Certificate:RoHS
OEM:Accept
Trademark:BB
Specification:Silicon Nitride
Origin:Jiangsu, China

Product Description

High Efficiency Silicon Nitride Ceramic Bearing

Product 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. 


Silicon nitride bearings retain some performance relative to matal materials,such as :high strength ,hardness,wear-resistant,high rigidity,resistance to corrosion and high temperature,high electric insulation and nonmagnetic/low density and so on. They are suitable for structure materials at elevated temperatures,which have been the primarily choice of ceramic bearing.
 
PropertiesUnits96%
Al2O3
99%
Al2O3
ZirconiaSilicon
Nitride
Machinable
Ceramic
Material Characteristics   
Gas Permeability    00000
Water Absorption      %0%0%0%0%0.038%
Colour WhiteIvoryWhiteGreyWhite
Density  g/cm33.73.8563.22.7
Physical Characteristics   
Hardness   Kg/mm211001400110016001175
Modulus of Elasticity   Gpa30035020030065
Flexural Strength  Mpa3003401150600108
Compressive Strength  Mpa2100220025002500488
Fracture Toughness  Mpam1/23.54126 
Thermodynamic Property   
Max Use Temperature   °C1500165015001800800
Thermal Conductiviey  W/(m.k)2527.52.5201.68
Thermal Expansion Coefficient  10-6/°C7.58103.28.6
Thermal Shock Resistance   △T°C200200250600200
Specific Heat  J/kg.K860860500500 
Electrical Specification    
Dielectric Strength   KV/mm12105 40
Dielectric Constant  εr9.59.11267
Volume Resistivity  Ω≥1014≥1014≥1010≥1014≥1016
Dielectric Loss Angle 0.00020.00020.001  


Packaging & Shipping
 
Packaged by polybay and bubble bag in the stardard export carton,
Every package can be offered with English installation instruction. 



Company Information
Baibo is a modern enterprise management company, who devote themselves to the service of product research and development, construction and maintenance.
Our company has a long history. We own the advanced equipment, a young, energetic, proficient and experienced team of professionals which with leading technology strength, excellent operational management and high-quality services what made us be recognized by customers of the chemical, petroleum, electric power, metallurgy, building material, aerospace, machinery and other industries.



 
FAQ
 
 1.What is your payment term?
 We mainly accept T/T, West Union, Credit card and L/C.
 Paypal will be available in the near future.
 
2.Where is your main market?
We have been exported to USA, Korea, UK, France, Russia, Germany, India, Spain, Brazil etc, so far, there is about 94 countries we have been exported, we also get good reputation from our customers.
 
3.For alumina ceramic, what about the forming method?
 Drying pressing              
 Isostatic pressing
 Hot pressing casting
 
4.What about the package?
We pack with plastic bubble paper, carton box, then safe wooden box outside, we can control the breakage less than 1%.
 
5.Do you support OEM?
Sure! We offer OEM for many customers all over the world.
 
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Lianyungang Highborn Technology Co., Ltd.

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