Ceramic 683 ZrO2 Si3N4 PTFE Miniature Bearing 3x7x3mm With Zirconia Oxide Ceramic Balls And PTFE Cage For Precision Machinery High Load Capacity Low Friction Corrosion Resistant Industrial Use

Single 3x7x3mm Full Ceramic Ball Bearing with PTFE Cage
✔️ ID 3mm, OD 7mm, width 3mm; ceramic ZrO2/Si3N4, PTFE cage

This is a single-pack, full ceramic 683-style bearing with zirconia balls and silicon nitride components, housed in a PTFE cage. It’s built for precision tasks in compact spaces, where low friction, high temperature resistance, and long life are critical in medical devices, lab instruments, and light industrial gear.

✅ Bore: 3 mm
✅ Outer diameter: 7 mm
✅ Width: 3 mm
✅ Balls: Si3N4 ceramic; Races: ZrO2 ceramic; Cage: PTFE
✅ Temperature range up to 180°C

💡 What is a ceramic ball bearing used for in precision machinery? Ceramic bearings are a handy choice for smooth, long-lasting motion in tight spaces and high-heat environments. - low friction for high-speed precision stages - high temperature and chemical resistance in tough settings - compact form factors for miniature systems