SR188C Stainless Steel Ceramic Si3N4 Miniature Ball Bearing 10-Pack

SR188 Miniature Ball Bearings - 10 Pack
✔️ Stainless Steel with Si3N4 Ceramic Balls, 1/4" x 1/2" x 3/16"

These SR188 miniature bearings feature stainless steel rings and silicon nitride (Si3N4) ceramic balls for ultra-smooth, dry operation. With no lubrication required, they’re perfect for high-speed, low-friction applications like spinners, instruments, or precision tools. Sold as a pack of 10.

✅ Inner diameter (ID): 1/4"
✅ Outer diameter (OD): 1/2"
✅ Width: 3/16"
✅ Material: Stainless steel rings
✅ Balls: Ceramic (Si3N4)
✅ Lubrication: Dry (no grease or oil)
✅ Type: Miniature deep groove bearing
✅ Pack size: 10 bearings

💡 Why choose dry ceramic miniature bearings for precision equipment?
They run fast and clean, ideal when lubrication isn’t an option.

• Ceramic balls reduce friction and wear

• No oil or grease needed, runs clean and dry

• Great for ultra-light, high-RPM setups

• Popular in spinners, medical tools, and small motors

Clean, quiet, and crazy smooth, snag this 10-pack and keep your build sharp and spinning!