NSK America's E4000 electric spindles

The E4000 Series employs a high-speed, ultra-quiet brushless motor. A high-performance system and state of the art design provides high-speed machining and a variety of safety functions.

E4000 electric spindle
E4000 electric spindle
NSK America

Features of the E4000 electric spindles include:

  • 2,000rpm to 40,000rpm, 500rpm (for centering rotation)
  • Rated output 400W (max. output 1,200W)
  • Extremely low vibration brushless DC motor
  • Utilizes a double pair of ultra-precision ceramic bearings to obtain high rigidity in both radial and thrust directions. Incorporates two ceramic bearings on the front side and two on the rear side.
  • Spindle accuracy