25 Pack Sealed Full Ceramic Ball Bearings 6001-2RS Si3N4 12x28x8mm High Precision Low Friction For Robotics RC Hobby Drones Machinery And Industrial Equipment For Industrial Applications Including Precision Machinery CNC Automation And Hobbyist Projects

Bulk 25-Pack Si3N4 Ceramic 6001-2RS Bearings 12x28x8mm
✔️ 25 sealed full ceramic bearings, 12x28x8 mm (0.472x1.102x0.315 in)

These full ceramic bearings are built from silicon nitride with PTFE cages and 2RS seals, delivering low friction and high rigidity in precision robotics, CNC guides, and hobby projects.

✅ 12 mm bore, 28 mm outer diameter, 8 mm width (12 mm / 0.472 in x 28 mm / 1.102 in x 0.315 in)
✅ Material: Si3N4 ceramic balls and races; PTFE cage
✅ Seals: 2RS sealed for contamination resistance
✅ Pack: 25 bearings in this set
✅ Applications: ideal for precision robotics, CNC, and hobby builds

💡 What is a sealed full ceramic bearing used for in high-precision machinery?

In short, this bearing type offers low friction, high stiffness, and long life in tough setups.

- High speed, precise motion in robotics, CNC, and linear guides - Resistance to heat and corrosion from ceramic materials - PTFE cage keeps lubrication steady and reduces wear - Great for environments with dust or contaminants