MachineU > China Products
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
Specifications
Brand Name :
Zhongli
Model Number :
SNB-01
Certification :
CE ISO
Place of Origin :
China
MOQ :
1kg
Payment Terms :
L/C,T/T,Western Union
Supply Ability :
50-200 ton/month
Delivery Time :
within 15days
Packaging Details :
barrel
Density :
3.2 g/cm3
Maximum Operating Temperature :
1200°C
Material :
Silicon Nitride
Coefficient Of Thermal Expansion :
3.2 x 10^-6/°C
Surface :
Polishing Finish
Corrosion Resistance :
Excellent
Thermal Conductivity :
25 W/mK
Type :
silicon nitride bearings
Electrical Insulation :
Excellent
Wear Resistance :
High
Hardness :
HRA 92-95
Chemical Resistance :
Excellent
Size :
1mm - 25.4mm
Surface Finish :
Polished
Color :
Gray
Description

Product Description

Racing Ceramic Balls Silicon Nitride for High-Speed Automotive Bearings: The Future of Performance

In the fast-paced world of high-speed automotive engineering, every component counts. Among these, bearings play a pivotal role in ensuring smooth operation and longevity of the vehicle. Enter racing ceramic balls made of silicon nitride, a game-changer in the realm of high-speed automotive bearings. These advanced ceramic balls are not just lighter and stronger but also offer unparalleled performance benefits, making them the preferred choice for automotive enthusiasts and professionals alike.

Understanding Silicon Nitride Ceramic Balls

Silicon nitride (Si3N4) ceramic balls are renowned for their exceptional properties, which include high heat resistance, low friction, and remarkable durability. These features make them ideal for applications in demanding environments, such as high-speed automotive bearings. Unlike traditional steel bearings, silicon nitride ceramic balls are much lighter, reducing the overall weight and rotational mass, which translates into faster speeds and improved fuel efficiency.

Key Benefits of Silicon Nitride Ceramic Balls

  1. Lower Friction: Silicon nitride balls have a lower coefficient of friction compared to steel balls. This means they spin more freely, reducing energy loss and enhancing the vehicle's performance.
  2. Enhanced Durability: Ceramic balls are more resistant to wear and tear, offering up to ten times the lifespan of traditional steel bearings. This durability is crucial in high-speed applications where components are subjected to extreme stress.
  3. High Temperature Resistance: Silicon nitride can withstand higher temperatures than steel, making these balls suitable for high-performance automotive applications where heat build-up is a concern.
  4. Lightweight: Weighing 60% less than steel, these ceramic balls contribute to reducing the overall weight of the vehicle, leading to better acceleration and handling.
  5. Corrosion Resistance: Unlike steel, silicon nitride is highly resistant to corrosion, ensuring longevity even in harsh environments.

Applications in High-Speed Automotive Bearings

The application of silicon nitride ceramic balls in high-speed automotive bearings is transforming the industry. These bearings are used in various components, including:

  • Wheel Hubs: The reduced weight and friction of ceramic balls enhance the wheel's rotational efficiency, improving speed and fuel economy.
  • Transmission Systems: Silicon nitride bearings in transmissions provide smoother gear shifts and reduce energy loss, leading to more power reaching the wheels.
  • Electric Motors: In electric vehicles, these bearings improve motor efficiency and extend the service life by minimizing wear and heat generation.

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

25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings

●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

25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings

Exhibition & Partner

25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings

Case

Ship to South Korea

25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings

Ship to Spain

25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings

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

25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings

Ask Latest Price
Product Detail
Brand Name :
Zhongli
Model Number :
SNB-01
Certification :
CE ISO
Place of Origin :
China
MOQ :
1kg
Payment Terms :
L/C,T/T,Western Union
Contact Supplier
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings
25.4mm Ceramic Silicon Nitride Balls Mill Media For High Speed Automotive Bearings

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