Full Ceramic Bearing 61903 17x30x7mm High Precision Ceramic Ball Bearing For Industrial And Commercial Applications Durable Low Friction High Speed Capability Corrosion And Heat Resistant Lightweight Yet Strong For Long Service Life

High-Precision 17x30x7mm Full Ceramic Bearing (61903)
✔️ 17x30x7 mm ceramic ball bearing, zirconia balls, PTFE cage, single

This full ceramic bearing uses zirconia ceramic balls and a PTFE cage to deliver high hardness, low wear, and non‑magnetic performance. With its compact 17 mm bore, 30 mm outer diameter, and 7 mm width, it fits precision assemblies in labs, medical devices, and machinery exposed to heat, moisture, or corrosive environments where reliability matters.

✅ ID 17 mm, OD 30 mm, width 7 mm
✅ Material: Zirconia (ZrO₂) ceramic balls
✅ Cage: PTFE (Polytetrafluoroethylene)
✅ Races: Zirconia (ZrO₂) ceramic
✅ Temperature rating: Up to 180 C (356 F)
Quantity: Quantity: ベアリング1個
✅ Equivalents: 61903 full ceramic bearing

💡 What is a ceramic bearing used for in precision equipment? A handy choice for hot, clean, non-magnetic contexts that demand reliability. - High-temperature tolerance to 180 C (356 F) - Non-magnetic, corrosion-resistant ceramic components - Low-friction zirconia balls reduce wear - PTFE cage supports smooth, stable rotation