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3mm Si3n4 Ceramic Ball for Bearring

3mm Si3n4 Ceramic Ball for Bearring
Price: Negotiable/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 1/Piece
Pay Type: T/T,Paypal,Money Gram,Western Union
Quick details

Place of origin: Zhejiang China (mainland)type: Ceramic ballsapplication: Structure ceramic
Material: Zirconia ceramicmodel number: Ceramic ball g5 g10 1/16'brand name: OEM
Material of ceramic ball:
Ceramic zro2, si3n4, sic
Clearance of ceramic ball: C0, c2, c3precision of ceramic ball: G5 g10 g20 g50 g100
Service: Rem brand or OEM servicepacking of ceramic ball:
Neutral or color box packing
Sample/stock: Available
Supply of ceramic ball:
Stock, large production capability
Price: More competitivepayment terms: T/T, western union, paypal
Delivery of ceramic ball:
By sea or air, express
Chemical characteristics of ceramic ball

Specifications
Diameters: From 0.30mm to 200mm
Precision grades: G5 - g2000
Si3n4 silicone nitride
Al2O3 alumina oxide
Zro2 zirconium oxide
Ceramic balls

Si3n4 silicon nitride

The most widely used type of ceramic due to very high resistance to wear and abrasion in general. It has a low coefficient of thermal expansion (25% of that of steel balls) and a weight 60% lower than steel. It has a micro-structure specially designed for applications subject to great stress. It does not require lubrication, it is resistant to corrosion, anti-magnetic and electrically insulating, and it continues to be efficient at high temperatures up to +1400° C. It combines extreme hardness with a high precision ball.

Si3n4 balls are widely used in high precision bearings in the airspace industry, for machine tools, measurement instruments, mechanical centrifuges, radar and missiles, pumps and compressors.

Al2O3 99.5% alumina (alumina oxide)

This material has a multi-crystal structure and excellent resistance to abrasion and high temperatures. It is resistant to most corrosive agents, but it is not recommended for use in contact with hydrochloric and hydrofluoric acid or strong alcaline solutions. Al2O3 balls are used in valves, pumps and ball bearings.

Zro2 zirconium oxide

This material, compared has a high degree of compactness and considerable flexural strength, which makes it very reliable. It also has a low modulus of elasticity, close to that of steel, together with an extraordinarily low thermal conductivity.

Al2O3 99.99% ruby

This material has a single crystal structure used where particular hardness and extreme resistance to wear are required together with a low specific weight and properties of chemical inertia. The material consists of pure alumina oxide with a small percentage of chrome oxide which gives it is characteristic red colour, which is the most visible feature of these balls in many applications as measurement and control instruments, valves and pumps.

Al2O3 99.99% sapphire

This material has a single crystal structure and unlike ruby is transparent. Because of its optical properties and high refraction index. Balls made of this material are currently used as chemically inert lenses.
Item Unit Si 3 N 4 ZrO 2 Al 2 O 3  99.5% SiC Bearing Steel
Density g/cm 3 3.23 6.05 3.92 3.12 7.85
Poisson's Ratio / 0.26 0.3 0.22 0.17 0.3
Hardness MPa 1500 1200 1650 2800 700
Flexural Strength(@R.T) MPa 720 950 310 390 520
Fracture Toughness, K MPa@m 1/2 6.2 10 4.2 3.9 25
Thermal Conductivity(@R.T) W/m@k 25 2 26 120 40
Electrical Resistivity(@R.T) Ω@mm2/m >10 13 >10 15 >10 16 >10 3 0.1-1
Max.Use temperature °C 1050 750 1750 1550 300
Corrosion Resistance / excellent excellent good excellent poor
 
                                                
PRODUCT INFORMATION
 
Item high high quality 68% Al2O3  alumina ceraic ball
Size 1.5mm,2.0mm
Application to grind ceramic raw materials as a grinding medium
FOB price USD$420~500/ton FOB Qingdao
MOQ 1 ton
Material 60%<=Al2O3<=70%
 
PRODUCT CHEMICAL COMPOSITION AND PHYSICAL PROPERTIES 
 
Al2O3  
60%<=Al2O3<=70%
 
Compressive strength >=1500
Hardness mohs 7-8
Volume density >=3.0g/cm3
Water absorptivity <=0.1%
Equivalent abrasion <=0.03%
Color of product beige
                                                 
 
         
BUSINESS INFORMATION 
 
Payment optional L/C, DP ,TT etc.
Transportation FOB, CFR, CIF
Packing details  
@ 50 kg per woven bag
Export port Qingdao;Shanghai,Shenzhen etc.
Loading quantity 25ton in 20'FCL
 
 
  Specification
 
Dimension 30 40 50 60
Dia.(mm) ± 1.5 ±1.5   ±2.0  ±2.0 
Performance
Item                                                                                            Unit                        Zirconia                     
Physical Characteristics                       Bulk density                       g/cm 3 6.05
Water absorption                  % 0
Mechanical Characteristics        
 
             
Flexural strength 
 
Mpa 1000
Hardness Vickers                Gpa 89
Elastic modulus                    Gpa 200
Poisson ' s ratio                    - 0.31
Thermal Characteristics                  Linear expansion coefficient                  (20-500 0 C) 10 -6 / 0 C 10
Thermal conductivity  w/(m.k) 2.5
Specific Heat                       
 
*10 -3 J/(kg*K) 0.5
Electrical Characteristics                Dielectric constant (1MHZ) - N.A.
Dielectric loss angle            *10 -4 N.A.
Dielectric strength               
 
*10 6 V/m N.A.
Processing technology
Process range (mm)
Outside Diameter 1---300
Inside Diameter 0.5---300
Length 0.5---1200
Accuracy of working (mm)
Perpendicularity 0.01
Concentricity 0.01
Roundness 0.005
Straightness  0.005
Parallelism 0.01
Planeness 0.005
Roughness  0.05
Fit clearance 0.005
Top quality professional ceramic valve ball
 
Product details
Ceramic ball (zirconia ZrO2)
Product Name Ceramic ball (zirconia ZrO2 )
Size Φ0.5mm_Φ50.0mm
Grade G5-G25
Hardness Above 83
Density 2.9-3.1 g/cm3
Feature Zirconia ceramic has a series of good properties,such as high strength,good fracture toughness,high density,good abrasion resistance,high hardness and so on.Zirconia ceramics can be used as good abrasive and efficient grinding media.
Applications They are widely used in aviation, spaceflight, navigation, petroleum, chemical industry, metallurgy, electric power, automobile, textile, machinery, pumps, medical equipment, etc.
Chemical composition ZrO2:  95%          Y2O3:  5%
 
Ceramic ball (silicon Si3N4)
Product Name Ceramic ball (silicon Si3N4)
Size Φ0.5mm_Φ80.0mm
Grade G5-G25
Feature 1,59% lighter than steel ball, which means less centrifugal force and less wear on the groove during high speed and acceleration.
2. 44% larger elastic modulus, which means less deformation under load
3. Harder with Rockwell hardness as 92
4. Smaller friction coefficient
5. Only 1/4 coefficient of thermal expansion of steel, can endure sharp fluctuation of temperature
6. Superior surface finish can be achieved, Ra could be 4~6 nm
7. Can endure high temperature with high hardness and strength up to 1050°C
8. Never rust, and can roll without lubrication.
9. More corrosion resistant than steel.
Applications Si3N4 be first choice for high-demand bearing ball material and valve ball. Si3N4 ball can also be used as valve ball and metering ball in chemical pump, high-temperature pump, metering pump. Si3N4 ball can also be used in linear slider for high temperature and corrosion resistance.
 

Prod Model: 3mm
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Type: Ceramic Balls
Application: Industrial Ceramic
Materil: Zirconia Ceramic
XZB is one of the leading providers of China's Bearing Industry and a long-time partner of professional dealers.

XZB is one of the Custom Bearing Manufacturers and world wide Distributors of all types of Bearings, specializing in Ceramic balls, Bearings (Inch & Metric Sizes) made from Ceramic (Si3N4/ZrO2), Stainless (440c/316) or Chrome Steel(SAE52100 steel); Tolerance ABEC1, 3, 5, 7. Level.

We work directly with our OEMs and Bearing Distributors. Our engineers can help you with bearing, shaft and housing tolerances as well as semiconductor applications, cryogenic applications, extreme hostile environments, and extreme delta T temperatures environments.

We also stock other manufacturer's bearings. We distribute bearings for extreme high temperature. We can help to design/manufacture any bearing within a 2-week turnaround.

We are specialized in all kind of full ceramic balls, (eg: Si3N4, ZrO2, Al2O3, SIC balls for bearing and other purpose) as well as Full Ceramic Bearing, Hybrid ceramic Bearing, Stainless Ball Bearing. Thin section Ball bearings. ) Besides, we are working together with over 50 factories in bearing fields.

We are uniquely positioned to provide OEM's and Distributors a full range of engineered solutions in addition to stocking thousands of bearing and bearing related products to cost-efficiently and consistently provide just-in-time delivery.

Our quality is ranked #1 by bearing distributors and OEM's. Our Physical Coated rings, Ceramic Balls and Moly/PTFE retainers give you the longest lasting best performing bearings in the industry.

Allow us the opportunity to use our expertise to solve your toughest bearing applications.

Please consider us 1st for your bearing needs as well as all custom bearing requirements.

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  • Xinzhou Bearing Industrial Inc.

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