6903-2RS ZrO2/Si3N4 Full Ceramic Bearing SRL Grease Sealed Ceramic Ball Bearing 17mm ID x 30mm OD x 7mm Width For Industrial And Precision Applications High Durability Low Friction Corrosion Resistant

Ceramic 6903-2RS SRL Bearing 17x30x7mm Sealed
✔️ Inner 17mm x outer 30mm x width 7mm, full ceramic bearing, 1pc

Full ceramic bearing with zirconia inner and outer races and silicon nitride balls. It’s built for low friction, quiet operation, and long life in demanding industrial settings such as automation, robotics, medical equipment, and precision tooling.

✅ Bore: 17 mm bore x 30 mm outer diameter x 7 mm width
✅ Material: inner/outer races ZrO2, balls Si3N4 ceramic
✅ Lubrication: SRL high-quality grease for wide temperature range
✅ Seal: 2RS sealed design for protection and long life
✅ Temperature range: -50 to 150 C (-58 to 302 F)

💡 What is a sealed ceramic bearing typically used for?

These handy bearings are built to handle harsh conditions while delivering reliable, smooth motion.

- high-temperature tolerance for automation and robotics - low friction for precise movement in CNC machines and automation - corrosion resistance and long service life from ceramic components