Loose Ceramic Ball Si3N4 Silicon Nitride G40 Grade, 1-3/8 Inch (34.925mm), Precision Ball For Bearing Applications, High Hardness, Low Friction, Non Magnetic, Corrosion Resistant Ceramic Bearing Ball, Suitable For Precision Machinery

G40 ceramic ball 1-3/8 in Si3N4 precision ball
✔️ Loose ceramic ball, 34.925 mm (1.375 in), Si3N4, 1 pc

This item is a single loose ceramic G40 ball made from silicon nitride (Si3N4). It’s sized for use in precision bearing assemblies, mechanical fixtures, and other components that rely on a precise, low-friction ceramic ball. Common applications include sealed ball bearing housings and linear slide units where corrosion resistance and high rigidity matter.

✅ Diameter: 34.925 mm (1.375 in)
✅ Material: Silicon Nitride (Si3N4) ceramic
✅ Grade: G40
✅ Type: Loose ball
✅ Quantity: 1 ball

💡 What is a ceramic ball used for in precision bearings and linear slide units? Ceramic balls like Si3N4 are handy for high-speed, low-wear performance in a variety of bearing and guide assemblies.

• Handy in sealed ball bearing designs for long life
• Low friction and high hardness suit precision applications
• Chemical resistance makes them good in corrosive or humid setups
• Compatible with linear slide units and other high-precision fixtures