RATTMMOTOR 400W 12-48VDC CNC Air Cooled Spindle Motor 52mm 0.4KW Spindle Motor 12000RPM 0.5NM for CNC Router Engraver Milling Machine (ER16)

Price: $190.00 - $41.00
(as of Oct 07, 2025 17:33:00 UTC – Details)

Product description

Air Cooling Methods

This motor has quiet operation, small volume and high speed, and the rear end of the motor is reinforced with a cooling fan, which can be safely worked for a long time.

Air Cooled Spindle Motor:

Power: 400WVoltage: 12-48VDCRotation speed: 3000-20000r/minTorque: 0.5NMInsulation resistance:>2MegohmDielectric strength: 400VRepeat accuracy: 0.01-0.03mmDiameter: 52mmTotal length: 185mmAxis collet Length: 43mm

52mm Spindle Motor Mount:

Applicable to:300w 400w 500w spindle motor Diameter: 52mmMaterial: Cast aluminumCast aluminium clamp is much heavier than aluminium profile clamp.This product has hardness, strong impact resistance, high hardness and strong antioxidant activity.

Speed/Voltage 3000-12000r/min

12V-3000 RPM24V-6000 RPM36V-9000 RPM48V-12000 RPM

ER11/ER16 Extension Rods and Collet

The motor is equipped with ER11/ER16 extension rod and collet, which supports engraving wood/plastic/acrylic/ pvc/pcb/carbon fiber/density board and other materials.

Product Dimensions ‏ : ‎ 2.05 x 2.05 x 7.28 inches; 3.09 Pounds
Item model number ‏ : ‎ 400W-52MM
Date First Available ‏ : ‎ May 30, 2025
Manufacturer ‏ : ‎ RATTMMOTOR
ASIN ‏ : ‎ B0FBFY1D6M
Best Sellers Rank: #704,390 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #189 in Power Milling Machines
As for the positive and negative wiring of the motor and the power supply, you can connect it at will. Because the motor supports reverse rotation, if you need the motor to rotate forward, just replace the interface.
Power: 400W; Collet: ER16; Voltage: 12-48VDC; Idling Speed: 3000-12000r/min ( 12V-3000RPM, 24V-6000RPM, 36V-9000RPM, 48V-12000RPM ); Torque：500mN.m; Diameter: 52mm. Run outoff: 0.01-0.04mm.
This motor has quiet operation, small volume and high speed, and the rear end of the motor is reinforced with a cooling fan, which can be safely worked for a long time!
With overcurrent protection cut-off device to make performance more reliable; With a soft start device to eliminate motor starting current is too large.
The motor is equipped with ER16 extension rod and collet, which supports engraving wood/plastic/acrylic/ pvc/pcb/carbon fiber/density board and other materials.