MachineU > China Products
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Specifications
Brand Name :
Zhongli
Model Number :
SNB-01
Certification :
CE ISO
Place of Origin :
China
MOQ :
1kg
Supply Ability :
50-200 ton/month
Delivery Time :
within 15days
Packaging Details :
barrel
Safety Features :
Automatic shut-off, overload protection
Speed :
100-650 rpm
Power :
1.5 kW
Grinding Time :
1-99 min
Voltage :
220-240 V
Grinding Jars :
2 or 4
Grinding Balls :
5 mm or 10 mm
Cooling System :
Water cooling
Grinding Jar Volume :
50 ml or 125 ml
Programmable Memory :
10 SOPs
Max. Feed Size :
10 mm
Frequency :
50/60 Hz
Final Fineness :
1 µm
Description

Product Description

Advanced Silicon Nitride (Si3N4) Ceramic Balls: Superior to Steel & Zirconia

In the ever-evolving world of engineering and technology, the quest for materials that offer superior performance and longevity is unending. Advanced Silicon Nitride (Si3N4) ceramic balls have emerged as a game-changer, outshining traditional materials like steel and zirconia in numerous applications.

Understanding Silicon Nitride (Si3N4) Ceramic Balls

Silicon Nitride (Si3N4) is an advanced ceramic material renowned for its exceptional mechanical properties. These ceramic balls are crafted through a meticulous manufacturing process that involves sintering, which ensures their reliability and performance across various demanding applications. Here’s what sets them apart:

  • High Hardness and Strength: Si3N4 balls are significantly harder than steel, contributing to their excellent durability.
  • Low Density: They are lighter than steel, reducing the overall weight of the bearing.
  • High Resistance to Wear and Corrosion: Ideal for harsh environments, Si3N4 balls maintain their shape and function over time.

Advantages of Advanced Silicon Nitride (Si3N4) Ceramic Balls

1. Temperature Resistance

One of the standout features of Si3N4 ceramic balls is their ability to withstand extremely high temperatures, up to 1000°C. This makes them ideal for applications involving high-speed, high-temperature environments, such as gas turbines and electric motors. In contrast, steel balls may fail under such conditions, leading to frequent replacements and maintenance.

2. Low Friction and High Speed

Silicon Nitride balls offer significantly lower friction compared to steel, enabling high-speed operations with less heat generation. This reduced friction is particularly beneficial in industries relying on precision machinery, such as semiconductor manufacturing and aerospace.

3. Wear Resistance and Longevity

The wear resistance of Si3N4 balls is superior to that of steel, allowing them to maintain their functionality even after prolonged use in harsh conditions. This translates to longer-lasting bearings, reducing the need for frequent replacements and lowering maintenance costs.

4. Lightweight and Low Centrifugal Force

Due to their low density, Si3N4 balls are much lighter than their steel counterparts. This reduced weight decreases centrifugal force during rotation, enabling higher speeds without compromising bearing stability. This property is especially advantageous in high-speed machinery like semiconductor equipment and aerospace applications.

5. Non-Conductive Properties

A unique characteristic of Si3N4 ceramic balls is their non-conductive nature, making them essential in applications where electrical insulation is crucial, such as in electric motors and generators. This property prevents electrical corrosion, protecting bearings in electric vehicles and other equipment exposed to electrical currents.

6. Corrosion Resistance

Si3N4 balls exhibit excellent corrosion resistance, making them ideal for industries like aerospace, military, and chemical processing, which often deal with corrosive substances. Their resistance to most chemicals provides a reliable solution for challenging environments.

Applications of Silicon Nitride (Si3N4) Ball Bearings

Aerospace and Military

In aerospace and military applications, the ability to withstand high speeds and temperatures is vital. Si3N4 bearings help reduce maintenance needs in critical systems, improving the reliability of equipment like aircraft engines and defense systems.

Automotive and Electric Vehicles

In the automotive sector, particularly in electric vehicles, Si3N4 balls are used in electric motors and hybrid bearings. Their lightweight nature enhances component efficiency, while their excellent thermal properties extend part lifespan, boosting overall vehicle performance.

Industrial and Manufacturing

In high-precision industrial equipment like semiconductor manufacturing and metalworking tools, Si3N4 bearings ensure smooth and efficient operations. Their ability to function under low lubrication conditions and at high speeds makes them invaluable in these industries.

Renewable Energy

In wind turbines, Si3N4 ball bearings offer the durability needed to handle large loads and high stresses associated with power generation. Their longer lifespan and reduced maintenance requirements make them ideal for renewable energy applications, where minimizing downtime is crucial.

Comparison: Silicon Nitride vs. Steel and Zirconia

When comparing Si3N4 balls to steel and zirconia, the differences are evident:

  • Hardness: Si3N4 has a hardness of 1500 HV compared to steel's 750 HV.
  • Density: Si3N4's density is 3.21 g/cm³, significantly lower than steel's 7.8 g/cm³.
  • Wear Resistance: Si3N4 offers excellent wear resistance, while steel is merely good.
  • Corrosion Resistance: Si3N4 provides high corrosion resistance, unlike steel.

While zirconia also offers some advantages over steel, Si3N4 surpasses it in terms of temperature resistance and mechanical strength, making it the superior choice for high-performance applications.

Property Silicon Nitride (Si3N4) Steel (440C) Zirconia (ZrO2) Alumina (Al2O3)
Density (g/cm³) 3.2 7.8 6.0 3.9
Hardness (HV) 1,400–1,600 700–900 1,200–1,300 1,500–1,800
Fracture Toughness (MPa·m½) 6–7 15–20 7–10 3–4
Compressive Strength (GPa) 2.5–3.5 2.0–2.5 2.0–2.3 2.0–3.0

Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mmIndustrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm

●Description:

Silicon Nitride Ceramic Ball is the most ideal bearing ball for bearing applications, due to the excellent properties of silicon nitride ceramics, it has many irreplaceable advantages comparing to traditional steel materials, such as: high mechanical strength, low wear loss, good self-lubrication, low density, high corrosion resistance, good electrical insulation etc.

Therefore, Silicon Nitride Balls are mostly used for some harsh working conditions: high speed/super speed bearings, high precision bearings, bearings in vacuum, high/low temperature bearings.

Moreover, Silicon Nitride Ceramic Balls can also used as valve ball or measurement balls in chemical pumps/high temperature pumps/metdering pumps.

●Physical Properties:

Chemical Composition:

Si3N4≥95%

Bulk Density:

3.2±0.05g/cm3

Elastic Modulus:

350GPa

Hardness Vickers:

1870HV

Bending Strength:

780MPa

Fracture Toughness:

7.2MPa·m1/2

Thermal Expansion Coefficient:

3.2 10-6/K

Thermal Conductivity:

25W/(m·K)

● Ball Sizes/Grade :

Size (mm)

Φ0.8-180

Grade

Vdws

SPH

Vdwl

Ra

G3

0.05-0.08

≤0.08

<0.13

0.01

G5

0.08-0.13

≤0.13

<0.25

0.014

G10

0.15-0.25

≤0.25

<0.5

0.02

G16

0.2-0.4

≤0.4

<0.8

<0.025

G20

0.3-0.5

≤0.5

<1

<0.032

G100

0.4-0.7

0.4-0.7

<1.4

<0.0105

Factory equipment

Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm

Exhibition & Partner

Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm

Case

Ship to South Korea

Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mmIndustrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm

Ship to Spain

Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mmIndustrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm

FAQ

1. What sizes and tolerances are available?

  • Diameter range: 0.5mm to 50mm (custom sizes possible).

  • Sphericity: As low as 0.1µm (Grade 5 for ultra-precision bearings).

  • Surface finish: Ra < 0.02µm (mirror polish for low friction).

2. Are silicon nitride balls FDA-approved for medical use?

Yes! Si3N4 is biocompatible (ISO 6474-1) and used in spinal implants, dental devices, and joint replacements due to its antibacterial properties.

3. How do I choose the right Si3N4 balls for my application?

Consider:

  • Load & speed requirements (dynamic/static stress).

  • Temperature range (Si3N4 excels in high heat).

  • Chemical exposure (resistant to most acids/alkalis).

  • Electrical insulation needs (non-conductive).

Send your message to this supplier
Send Now

Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm

Ask Latest Price
Product Detail
Brand Name :
Zhongli
Model Number :
SNB-01
Certification :
CE ISO
Place of Origin :
China
MOQ :
1kg
Supply Ability :
50-200 ton/month
Contact Supplier
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm
Industrial Si3N4 SiN Silicon Carbide Beads Ceramic Balls 5mm-10mm

Guangzhou Zhongli Technology Co., Ltd

Verified Supplier
1 Years
guangzhou
Since 2017
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
Planetary Ball Mill Machine, Stirred Ball Mill, Roller Ball Mill
Employee Number :
80~110
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Silicon Nitride Balls
MachineU China Products
Contact Supplier
Submit Requirement