Tiny 0.5mm Tungsten Carbide Ball Bearing Ultra Hard 0.0197 Inch Diameter G25 Precision Loose Ball For Micro Machining Watches CNC Jigging Jewelry Making And High Precision Projects

0.5mm Tungsten Carbide Ball Bearing - Ultra-Hard 0.0197
✔️ 0.5mm dia, WC carbide, G25 precision, loose ball

This ultra-hard tungsten carbide ball is a precision bearing ball used in micro-mechanical assemblies, gauges, and medical tools where tight tolerances and wear resistance matter.

✅ Diameter: 0.5mm (0.0197 in.)
✅ Material: Tungsten carbide (tungsten + carbon alloy)
✅ Grade: G25 for high precision
✅ Hardness: 90 Rockwell
✅ Sphericity tolerance: 0.000025 in.
✅ Corrosion and wear resistance
✅ Sold individually - one loose ball

💡 What is a precision tungsten carbide ball bearing used for in micro-mechanical assemblies?

It's handy for providing smooth, low-friction motion in tiny gears, slides, and measuring tools. - High hardness and wear resistance for long life - Tight tolerances and close sphericity for accurate motion - Suitable for medical tools, gauges, and precision instruments ✝️