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Current Lead Time: 4-5 weeks


Our RM40 spindle is the perfect addition to so many CNC machines. Powered by an oversized 4.0hp motor, it features an ISO30 tool taper and a lightweight compact design. The spindle features oversize ABEC-7 dual angular contact bearings for superior stability and performance, the integrated 24vdc cooling fan ensures consistent operation and long life.


  • Oversize 4hp 220V High Speed Induction Motor
  • 13.5amp motor
  • Max Operating Speeds:
    • RM40 - 18,000rpm (300hz)
    • RM40C - 24,000rpm (400hz)
  • Large ISO30 tool taper
  • 24vdc Electric Cooling Fan
  • Oversize P4+ dual angular contact bearings in nose
    • Bearings are lifetime sealed and greased with no maintenance required.
    • GMN Brand - Manufactured in Germany
  • Lightweight at only 21lbs


Like our other models, the RM40 is manufactured right here in Tennessee, USA!

RM40 Standalone Spindle

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