6803-2RS Full Ceramic Sealed Ball Bearing Si3N4 17x26x5 mm High Precision Silicon Nitride Bearing With PEEK Cage Rust Resistant Low Friction Non Magnetic Ideal For Robotics CNC Precision Instruments

Ceramic sealed bearing 17x26x5 mm, single unit
✔️ 17x26x5 mm full ceramic sealed bearing, Si3N4 races

This full ceramic sealed bearing is built for high speed, low friction rotation in precision machines, robotics, and CNC equipment where contamination must be kept out.

✅ 17x26x5 mm metric size; inner 17 mm, outer 26 mm, width 5 mm
✅ Si3N4 ceramic balls and races provide durability and low wear
✅ PEEK cage ensures light weight and stable ball spacing
✅ Sealed on both sides for lubricant retention and contamination protection

💡 What is a sealed ceramic ball bearing used for in precision machinery? This handy guide explains typical uses and benefits: - High speed, low friction operation - Contamination control in clean environments - Non magnetic and corrosion resistant performance - Long life under demanding loads