30-Pack Full Ceramic 633-2RS Ball Bearings, Miniature ZrO2 Bearings With 3x13x5mm Dimensions, Inner Diameter 3mm Outer Diameter 13mm Width 5mm, Double Rubber Seals, PTFE Cage, Low Friction High Precision Bearings For Hobby RC Jewelry And Industrial Use

Premium 30-Pack Ceramic 633-2RS Bearings 3x13x5mm

✔️ 30 bearings, 3x13x5mm, full ceramic Zirconia, pack of 30

These are full ceramic bearings using zirconia ceramic balls and zirconia races, designed for precision micro-motion in high-speed assemblies, robotics, 3D printing, and lab equipment.

✅ Inner diameter 3 mm, outer diameter 13 mm, width 5 mm
✅ material: de la bille material: zirconia à base dezirconia (ZrO₂)
✅ Races: zirconia ceramic (ZrO2); cage: PTFE
✅ Seals: 2RS sealed on both sides for contamination protection
✅ Pack size: 30 bearings in a wholesale bundle

💡 À quoi sert un roulement entièrement en céramique dans les machines de précision ?

Full ceramic bearings are handy in high-speed, low-friction setups across various systems. - In high-speed linear motion - In clean-room or corrosive environments - In lightweight robotic joints and precision slides - In vacuum or low-drag applications