• Silicon Nitride Ceramic Bearing Ball
  • Silicon Nitride Ceramic Bearing Ball

Silicon Nitride Ceramic Bearing Ball

No.Silicon Nitride Ceramic Bearing Ball
Silicon Nitride Bearing Ball is a man-made compound synthesized through several different chemical reaction methods. Parts are pressed and sintered by well-developed methods to produce a ceramic with a unique set of outstanding properties. Silicon Nitride Bearing Ball is ideal for bearing parts. Compared with steel, high-performance Silicon Nitride Bearing Balls have better mechanical properties under high temperatures and could survive from most of the corrosive chemicals.
  • Silicon Nitride Ceramic Bearing Ball

Description

Silicon Nitride Bearing Ball is a man-made compound synthesized through several different chemical reaction methods. Parts are pressed and sintered by well-developed methods to produce a ceramic with a unique set of outstanding properties. Silicon Nitride Bearing Ball is ideal for bearing parts. Compared with steel, high-performance Silicon Nitride Bearing Balls have better mechanical properties under high temperatures and could survive from most of the corrosive chemicals.

Silicon Nitride Bearing Ball Specifications

Material

Unit

Silicon Nitride

Color

-

Black

Max. Operating Temperature

1100

Vickers Hardness

GPa

15

Flexural Strength

MPa

900-1000

Compressive Strength

MPa

3500

Young's Modulus

GPa

320

Poisson's Ratio

-

0.26

Fracture Toughness

MPa·m1/2

7

Coefficient of Thermal Expansion (40-400°C)

*10-6/℃

3.3-3.5

Thermal Conductivity

W/(m·K)

20-23

Volume Resistivity

Ω·cm

≥1014



Silicon Nitride Bearing Ball Applications

1. Hybrid Bearings: Used in hybrid ball bearings, which combine steel races with silicon nitride balls. These bearings offer reduced weight, higher speed capabilities, and longer life spans compared to all-steel bearings.

2. Aerospace Industry: Employed in aircraft engines, where their low density and high strength are crucial for reducing weight and improving fuel efficiency.

3. Automotive Industry: Utilized in high-performance and electric vehicle components like turbochargers, fuel pumps, and wheel bearings. They help reduce friction and improve efficiency and longevity.

4. Machine Tooling: Used in high-speed spindles and precision machinery, providing high rigidity, low thermal expansion, and wear resistance.

5. Wind Turbines: Applied in the bearings of wind turbines to withstand high loads and harsh environmental conditions, improving reliability and maintenance intervals.

6. Medical Devices: Incorporated into medical instruments and implants due to their biocompatibility, low wear rates, and corrosion resistance.

7. Semiconductor Manufacturing: Used in equipment for semiconductor manufacturing, benefiting from their high precision, cleanliness, and resistance to wear and corrosion.

8. Chemical Processing: Employed in pumps, valves, and other equipment that handles corrosive chemicals, leveraging their chemical inertness and resistance to wear.

9. Sports Equipment: It is found in high-performance sports equipment like bicycle wheel bearings and skate bearings, where their lightweight and durability enhance performance.

10. Energy Sector: Utilized in various energy applications, including bearings for gas turbines and other high-speed rotating machinery.

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