R188 Full Ceramic Bearing 1/4" x 1/2" x 1/8" - Miniature

R188 Full Ceramic Ball Bearing
✔️ 1/4" ID - 1/2" OD - 1/8" Width

The R188 full ceramic bearing is built with zirconia (ZrO₂) balls and races, paired with a PTFE cage for ultra-low friction. It’s a top choice for high-speed, non-magnetic, or corrosive environments where standard metal bearings can’t keep up.

✅ Pack size: 1 bearing
✅ Size: 1/4" x 1/2" x 1/8"
✅ Type: Full ceramic deep groove bearing
✅ Balls: Zirconia ceramic (ZrO₂)
✅ Races: Zirconia ceramic (ZrO₂)
✅ Cage: PTFE (Polytetrafluoroethylene)
✅ Closures: Open (no seals)

💡 What are the advantages of using zirconia full ceramic bearings?

1. Superior resistance to rust, acids, and chemicals.

2. Non-magnetic and non-conductive - ideal for electronics and lab use.

3. Extremely low friction and heat buildup for high-speed performance.

Built for precision and endurance in tough environments where metal just won’t cut it.