10-Pack SR188C Stainless Steel Fidget Spinner Ceramic Si3N4 Ball Bearing

Pack of 10 SR188 Stainless Steel Bearings - Si3N4 Balls
✔️ Fidget Spinner Bearings 1/4" x 1/2" x 3/16"

This pack of 10 SR188 hybrid ceramic bearings is perfect for fidget spinners, hobby builds, and small mechanical projects. Each bearing has stainless steel races and premium Si3N4 ceramic balls for ultra-smooth spin and reduced friction.

✅ Size: 1/4" (ID) x 1/2" (OD) x 3/16" (Width)
✅ Material: Stainless Steel Races with Si3N4 Ceramic Balls
✅ Type: Deep Groove Ball Bearing
✅ Designed for smooth, long-lasting performance
✅ Quantity: 10 Bearings - Packaged together for convenience

💡 Why use Si3N4 ceramic bearings in spinners?
They provide a smoother, faster spin with less wear over time.

• Lightweight ceramic balls for reduced rolling resistance

• High durability for repeated high-speed use

• Corrosion-resistant stainless steel races for long life

If you want your spinners or small devices to run like butter, this 10-pack of SR188 Si3N4 hybrid bearings is the way to go.