NSK Ceramic Dental Bearings For W&H/Kavo/Sirona

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(Angular Contact Quick Stop Bearing Made in Japan)
Order No.: RT-JB004CTA-S  
Size: 3.175mm*6.35mm*2.78mm
Used for W&H, Sirona, Kavo M 9000L /655/660/8000, Or any other handpieces which use the same size.

What's the special of this bearing:

1. Special sealing technology: the sealing rubber will be open when the rotor begin to run and it will stop the rotor once the drive air stop.
2. Longer life time on the bearings with the Quick Stop function.
3. Anti-suction funtion.
4. Get all the functions by changing only the bearing.