2mm Si3N4 Silicon Nitride Ceramic Bearing Balls G5 Pro Grade 50 Pcs High Hardness Wear Resistant Lightweight Corrosion Resistant For Casters Drawer Slides Bicycle Hubs Door Locks And More
UPC: 00193019723678
✔️ 2mm dia, G5 pro grade, 50 pcs, ceramic, high hardness
These high-strength 2mm silicon nitride ceramic bearing balls deliver exceptional hardness, stability, and light weight for demanding precision bearing jobs. They’re commonly used in casters, drawer slides, bicycle hubs, door locks, and other mechanisms that demand smooth rotation and long life.
✅ Size: 2 mm diameter with tight tolerances and good dimensional stability
✅ Material: Si3N4 ceramic for superior hardness and wear resistance
✅ Hardness: Vickers hardness up to 1700 HV, better than chrome steel
✅ Corrosion resistance: excellent in humid or harsh environments
✅ Weight: lightweight compared to tungsten carbide, reducing inertia
✅ Applications: casters, drawer slides, bicycle hubs, door locks, and more
💡 What is a silicon nitride ceramic bearing ball used for in precision bearing systems and why choose ceramic over steel?
Silicon nitride balls excel in high-load, high-speed applications due to their toughness.
- High hardness and wear resistance for sealed ball bearings
- Lightweight, reducing inertia in high-speed rotation
- Excellent corrosion resistance in harsh environments