Shielded Ceramic Ball Bearing S697ZZ 7x17x5 ABEC 5 With Si3N4 Ceramic Balls Premium 52100 Alloy Steel High Precision Tolerance Low Friction Durable For Fishing Reels Robots And Micro Gear Systems

Ceramic Shielded Ball Bearing 7x17x5mm ABEC-5
✔️ 7x17x5 mm, Si3N4 ceramic balls, chrome steel body, ZZ shields

This ceramic shielded ball bearing delivers precise, low-friction rotation in compact shafts. It’s commonly used in fishing reels, small motors, and hobby machines where sealed protection and high ABEC-5 precision matter.

✅ Size: 7 mm ID x 17 mm OD x 5 mm width
✅ Material: 52100 chrome steel housing
✅ Balls: Si3N4 ceramic for smooth operation
✅ Seals: double ZZ shields protect from dust
✅ Lubrication: pre-lubricated with Kyodo NB2 grease, ABEC-5

💡 What is a common use for sealed ball bearings in small machinery?

They’re handy for reducing friction and supporting smooth rotation in compact systems.

- Handy for 3D printers and CNC rigs - Great for hobby robotics and model gear - Helps protect shafts in dusty environments