Roulement à billes entièrement en céramique au nitrure de silicium, 11x21x5mm cage en PTFE ; roulement en céramique de haute précision, Inner Diameter 11mm ,Outer Diameter 21mm Width 5mm et résistant, destiné aux machines de précision

Full Ceramic Silicon Nitride Bearing 11x21x5mm
✔️ ID 11 mm, OD 21 mm, width 5 mm; Si3N4 ceramic

The full ceramic bearing is made from silicon nitride (Si3N4) with a PTFE cage, delivering low friction and high rigidity. This compact 11x21x5 mm unit is commonly used in precision robotics, CNC equipment, linear slide units, and lab instrumentation where high heat resistance and wear life matter. Pack size: 1 bearing.

✅ Size: 11 mm ID, 21 mm OD, 5 mm width
✅ Material: billes et bagues en céramique Material:
✅ Cage : PTFE (Polytetrafluoroethylene)
✅ Quantity: 1 roulement
✅ Type: full ceramic bearing

💡 À quoi sert un roulement en céramique ?

Ceramic bearings like this silicon nitride unit are handy for high-speed, precise motion with low friction and long wear life.

- High-speed operation for precision machinery
- Low friction in robotics and CNC applications
- Superior wear resistance and corrosion tolerance