Ceramic balls installed in an electric motor bearing for electrical insulation
Macro detail of the smooth, self-lubricating surface of a 7mm Si3N4 ball
Assortment of black silicon nitride ceramic balls showing size range from 6mm to 10mm
Silicon nitride ceramic balls operating in a high-temperature bearing housing
Side-by-side comparison of ceramic and steel balls in a corrosive liquid demo
Application in a precision CNC spindle bearing for high-speed machining
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Ceramic balls installed in an electric motor bearing for electrical insulationMacro detail of the smooth, self-lubricating surface of a 7mm Si3N4 ballAssortment of black silicon nitride ceramic balls showing size range from 6mm to 10mmSilicon nitride ceramic balls operating in a high-temperature bearing housingSide-by-side comparison of ceramic and steel balls in a corrosive liquid demoApplication in a precision CNC spindle bearing for high-speed machining

Silicon Nitride Ceramic Bearing Ball G5 Self-Lubricating Rust Free Dia 6-10mm

HomeDIYer
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By HomeDIYer®

Price:
$1.90 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Silicon Nitride Ceramic Bearing Ball (Si3N4) G5 6–10mm 🔧 Ceramic Bearing Balls

Premium Si3N4 Ceramic Bearing Balls for medium diameters (6–10mm). Engineered for high-load, high-speed service with superior stability and corrosion resistance. 🚀

🌟 Features — Ceramic Bearing Balls (Si3N4)

  • ✅ G5 precision and ultra-smooth finish
  • ✅ ~59% lighter vs. steel for lower centrifugal force
  • ✅ Up to ~HRC 78 hardness with excellent wear resistance
  • ✅ Works up to ~1050°C; low thermal expansion (~1/4 of steel)
  • ✅ Non-magnetic, electrically insulating, self-lubricating

📊 Specifications

Parameter Specification
Product Type Silicon Nitride Ceramic Bearing Ball (Si3N4)
Precision Grade G5
Diameter Range 6mm – 10mm (choose option)
Operating Temp Up to ~1050°C
Magnetism Non-magnetic
Electrical Insulating
Package Quantity per selection

🔧 Applications

  • 🏍️ Bearings for bikes, tools, and industrial machinery
  • 🔬 Precision instruments, gauges, medical devices
  • 💧 Valves, pumps, seals in corrosive media

❓ FAQ — Ceramic Bearing Balls

Q: Are these drop-in replacements for steel?

A: Yes — choose the same diameter for drop-in fit while gaining weight and corrosion advantages.

Q: Do they require lubrication?

A: They’re self-lubricating and can run oil-free depending on the application.

Q: Are they magnetic?

A: No — ideal for sensitive environments.

⚡ Upgrade your assembly with Si3N4 Ceramic Bearing Balls

Select size and quantity to get started.

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