Full Ceramic Ball Bearing Silicon Nitride 7x17x5 Miniature with PTFE Cage for Precision Applications, 7 Mm Inner Diameter, 17 Mm Outer Diameter, 5 Mm Width, High Hardness, Corrosion Resistant, Low Friction, Long Life

Miniature 7x17x5 Silicon Nitride Ceramic Bearing
✔️ ID 7mm, OD 17mm, width 5mm; single pack, Si3N4 ceramic parts

Small but mighty, this full ceramic bearing uses silicon nitride races and balls for low friction, high temperature tolerance, and corrosion resistance. It’s a compact option for fishing reels, precision gear, micro-electronics, and robotics where smooth rotation matters.

✅ 7x17x5 mm (0.28 x 0.67 x 0.20 in) dimensions; ID 7mm, OD 17mm, width 5mm
✅ Material: Si3N4 ceramic races & balls; PTFE cage
✅ Type: full ceramic bearing; sealed for long life
✅ Pack: 1 bearing in single package
✅ Fits: Shimano TLD25 & TR2000 LD VXB reels (old format)

💡 What is a full ceramic bearing used for in precision devices?

These handy bearings are designed for dependable rotation in compact, high-demand systems that need steady, clean motion. - High-temperature tolerance for demanding gear and reels in tough environments - Low friction for precise, repeatable rotation in micro assemblies - Corrosion resistance when exposed to moisture or salt air - Lightweight yet strong for long-life performance in small machines