

8mm Loose Ceramic Balls G5 Si3N4 Bearing Balls
UPC: 00193019212714
Size: 8mm (21/64" Inch)
Material: Ceramic (Si3N4)
Quantity: One Balls
Loose Ceramic Ball - 8mm (21/64") Diameter
✔️ Si3N4 Silicon Nitride - High Strength and Lightweight
This 8mm loose ceramic ball is made from Si3N4 (silicon nitride), a tough, lightweight material that offers excellent wear resistance and low rolling friction. Commonly used in high-performance bikes, electric motors, and precision instruments, this ball resists corrosion and runs cool even at high speeds. Sold as one ball.
✅ Diameter: 8mm (21/64 inch)
✅ Material: Silicon nitride (Si3N4) ceramic
✅ Lightweight, non-magnetic, and corrosion-resistant
✅ Ideal for high-speed and low-friction use
✅ Pack size: 1 loose ball
💡 Why use Si3N4 ceramic balls in bikes and precision systems?
They’re a solid upgrade for both performance and durability.
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Run smoother and cooler than steel balls
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Withstand higher speeds with lower friction
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Resist corrosion, moisture, and most chemicals
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Perfect for bikes, turbines, and instruments
Upgrade your ride or your rig, drop in this 8mm Si3N4 ball and feel the smooth difference in every spin.