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Silicon
Nitride balls, the wave of the future
Ceramic, not just for mugs anymore! Even though Silicon
Nitride Ceramic balls have been on the market for years,
there are more and more discoveries made each day to facilitate
a multitude of bearing applications.
The only material stronger than silicon nitride is diamond!
With a density of 40% lower in weight than steel, up to
twice the material hardness for tight tolerances than
steel, a coefficient of thermal expansion that is 70%
less than steel, and a temperature operating range up
to 90 degrees C, you can see why Silicon Nitride is the
wave of the future for bearing applications. Balls made
from Silicon Nitride are non-corrosive, anti-magnetic
and excel in low noise, high rigidity and high load carrying
applications. Long life and the need for no lubrication
make this material very suitable for numerous applications
Just think of the possibilities of what Silicon Nitride
balls can be used for: high precision Medical and Test
Applications, Dental Drills and Gauges, Automotive Fuel
Injection and Anti-lock Braking Systems, Specialty Bearings,
Aerospace Actuators, Chemical Processing Equipment, Valve
Stops, Semiconductor Processing Equipment, Machine Tool
Ballscrews, Food Processing Equipment and even Wheel Bearings
for High Performance Race Cars, just to name a few
Salem Specialty Ball Company offers the opportunity to
purchase from sizes of 1/32" through 2-1/2" in Silicon
Nitride balls with precise basic diameter tolerance of
grade 5. This size range also includes millimeter sizes.
Just contact us at 1-877-844-4885 to discuss specific
size and quantity needed for your application.
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Silicon
Nitride Material Chart
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| Compressive
Strength |
341,300
psi |
| Maximum
Useful Temperature |
2552
°F |
| Thermal
Conductivity |
.07
Cal/sec cm °C |
| Thermal
Expansion |
1.78
X 10 to the -6th power / °F |
| Electrical
Resistivity |
>10
to the 6th power Ohm/cm (@500 °C),
10 to the 5th power Ohm/cm @2000 °C) |
| Young's
Modulus of Elasticity |
47
X 10 to the 6th power psi |
| Hardness |
1500
- 2000 Vickers |
| Density |
.116
lbs/inch to the 3rd power |
If Silicon Nitride is not for you then we also offer other
ceramic balls… Alumina Oxide Balls, Ruby Sapphire Balls
and Zirconia Balls. Just visit www.salemball.com
for further explanations and descriptions of these materials
and their uses. |
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