300mm Travel Linear Stage Actuator with SFU1605 Ball Screw and NEMA23 Stepper Motor, Square Linear Rails for DIY CNC Router X Y Z Axis, High Precision Heavy Load Design, 5mm Lead, C7 Accuracy, Smooth

300mm Travel Linear Stage Actuator with SFU1605 Ball Screw and NEMA23 Motor
✔️ Square Linear Rail Actuator Assembly for CNC X Y Z Axes

This linear stage actuator is a ready-to-run motion module made for DIY CNC routers, automation projects, and precision positioning tasks. It pairs square linear rails with an SFU1605 ball screw and a NEMA23 stepper motor to deliver smooth motion, solid load handling, and repeatable accuracy in compact CNC axis builds. Pack size is one fully assembled linear stage with the motor installed.

✅ Pack size: 1 linear stage actuator with NEMA23 stepper motor
✅ Ball screw type: SFU1605
✅ Ball screw diameter: 16mm
✅ Lead pitch: 5mm per revolution
✅ Precision grade: C7
✅ Effective travel length: 300mm
✅ Total length: 475mm
✅ Repeat positioning accuracy: ±0.03mm
✅ Speed range: 0 to 100mm per second
✅ Horizontal max load: 30kg
✅ Vertical max load: 15kg
✅ Square linear rails for stable guidance
✅ Four M4 threaded holes for workpiece mounting

Dimensions and Motion Specs
Ball Screw Diameter 16mm
Lead Pitch 5mm
Effective Travel 300mm
Total Length 475mm
Repeat Accuracy ±0.03mm
Weight 2367g

Stepper Motor Specifications
Motor Type NEMA23
Step Angle 1.8 degree
Flange Size 57mm
Motor Length 56mm
Holding Torque 1.2Nm
Rated Current 3A
Rated Voltage 24V
Resistance 0.8 ohm
Inductance 2.4 mH
Rotor Inertia 440gcm
Lead Wires 4
Wiring Red A+ Green A- Yellow B+ Blue B-

This compact linear stage setup delivers clean linear motion, dependable accuracy, and easy integration for CNC X Y Z axes and motion control systems.

💡 Why are ball screw driven linear stage actuators used in CNC axis assemblies?
Ball screw linear stages are designed to provide smooth, repeatable motion with low friction and strong load control.

• Rolling ball contact improves efficiency and reduces wear

• Controlled lead pitch supports precise positioning and feed rates

• Square linear rails add stiffness and resist side loading

• Integrated stepper motor simplifies setup and alignment

A handy option when you need smooth travel, repeatable accuracy, and a ready-to-install linear axis for CNC and automation builds.