Ten Pack 7 32 Inch Alumina Oxide Ceramic Bearing Balls High Strength Al2O3 Loose Balls For Bicycle Hubs And Precision Machinery Industrial Applications

10-Pack 7/32 in Alumina Ceramic Bearing Balls, 5.56 mm
✔️ 10 loose ceramic balls, 7/32 in (5.56 mm) Al2O3 Alumina Oxide, 10 pcs

These loose ceramic balls are precision-grade spheres manufactured from alumina oxide (Al2O3). They’re typically used in bicycle hubs, skate hardware, and small machinery where smooth rotation and wear resistance matter.

These balls serve as inner spheres in bearing cages or as precision spacers in compact assemblies. They deliver low friction, high hardness, and corrosion resistance for durable performance in sealed bearing setups.
✅ Size: 7/32 in (5.56 mm) diameter
✅ Material: Al2O3 ceramic (alumina oxide)
✅ Type: Loose bearing balls
✅ Quantity: 10 balls per pack

💡 What is a common use for 7/32 inch alumina ceramic bearing balls in small mechanical assemblies? Handy to reduce friction and improve rotation in tight spaces.

• Handy for bicycles, skate parts, and hobby machines with small bearings.
• Ceramic Al2O3 provides low friction, high hardness, and corrosion resistance.
• Helps maintain precise clearance and longer wear life in sealed bearing setups.