4x10mm Full Si3N4 Ceramic Ball Bearing - 4x10x3mm - Miniature

4x10mm Full Ceramic Ball Bearing
✔️ 4x10x3mm - Si3N4 Silicon Nitride - Miniature Precision

This full ceramic ball bearing is crafted entirely from premium Si3N4 silicon nitride for superior performance in high-speed, high-temperature, or corrosive environments. With a 4mm bore and PTFE cage, it's ideal for precision instruments, medical devices, and cleanroom applications where metal bearings fall short.

✅ Size: 4mm ID x 10mm OD x 3mm Wide
✅ Type: Full ceramic miniature bearing
✅ Balls: Si3N4 ceramic (silicon nitride)
✅ Races: Si3N4 ceramic inner and outer rings
✅ Cage: PTFE (Polytetrafluoroethylene) for low friction and chemical resistance
✅ Quantity: 1 bearing