30 Pack Full Ceramic 687-2RS Zirconia Miniature Ball Bearings 7x14x5 mm High Precision Low Friction Corrosion Resistant With PTFE Cage For Small Machinery Hobbies And Precision Applications

30-Pack Full Ceramic 687-2RS Miniature Bearings 7x14mm
✔️ 7x14x5mm full ceramic ZrO2 bearings, 30-pack, 687-2RS

These are full ceramic miniature bearings with zirconia balls and zirconia races, sized 7x14x5mm. They excel in high-speed, dry environments where corrosion resistance and low friction are critical, making them handy in hobby machines, precision photography gear, and small robotics.

Key features and specs for the 687-2RS full ceramic ball bearing

✅ Inner diameter 7 mm
✅ Outer diameter 14 mm
✅ Width 5 mm
✅ Material: Zirconia ceramic balls and races; PTFE cage
✅ Type: Full ceramic bearing (2RS sealed)
✅ Pack: 30 bearings

💡 What is a pillow block bearing used for?

In short, these handy components support shafts and reduce friction in compact setups.

- They support rotating shafts with low friction and carry radial loads - Handy for robotics, automation, conveyors, and hobby projects needing smooth rotation - Ceramic variants resist corrosion and wear in harsh environments