NSK uses an ISB bearing which means Integated Shaft Bearing on these. This most definitely reduces shaft vibration, and ultimately results in a longer lasting turbine. Power is good. Noise is low. Cutting ability of this handpiece is very smooth.
Summary:
Power – 21 Watts
Noise – 59 dB
Speed – To 440,000 rpm @ 36 psi (2.5 bar)
Spray- 4 port
Warranty – Turbine – 2 year, Fiber Optics (if applicable) 5 years.