ZrO2 Ceramic Miniature Ball Bearing 1/4 x 1/2 x 3/16 Inch Stainless Steel Deep Groove High Speed Precision Bearing With ZrO2 Ceramic Balls Double Shield ZZ For Ultra Smooth Operation In Small Actuators Robotic Joints And Micro Assemblies

Ceramic Zirconia Micro Bearing 1/4x1/2x3/16 in, Hybrid
✔️ 1/4 in ID, 1/2 in OD, 3/16 in width; ZrO2 ceramic balls; ZZ shields

This miniature bearing unit uses zirconia ceramic balls with stainless steel races, and is protected by double metal shields for dust resistance. It’s a handy pick for micro gear boxes, RC projects, precision instruments, and compact robotics where smooth, fast rotation is key.

✅ Inner diameter 1/4" (6.35 mm); outer diameter 1/2" (12.70 mm); width 3/16" (4.76 mm)
✅ Ball material ZrO2 ceramic; races stainless steel
✅ Shields ZZ shields for dust protection
✅ Type deep groove ball bearing; high-speed capable
✅ Pack: 1 bearing in this listing

💡 What is a ceramic ball bearing used for in precision machinery?
Ceramic bearings are handy for low friction, high-speed operation and long service life in compact setups.
- Handy in robotics and instrumentation - Reduces heat and wear in demanding cycles - Improves precision by minimizing friction losses