100mm Travel Linear Stage Actuator with SFU1605 Ball Screw and NEMA17 Stepper Motor, Square Linear Rails for DIY CNC Router X Y Z Axis, High Precision Heavy Load Design, 5mm Lead, C7 Accuracy and Smoo

100mm Travel Linear Stage Actuator with SFU1605 Ball Screw and NEMA17 Motor
✔️ Square Linear Rail Actuator Assembly for CNC X Y Z Axes

This linear stage actuator is a compact, ready-to-run motion unit made for DIY CNC routers, light automation, and precision positioning tasks. It combines square linear rails with an SFU1605 ball screw and a NEMA17 stepper motor to deliver smooth motion, steady load handling, and repeatable accuracy in very tight-space CNC axis builds. Pack size includes one fully assembled linear stage with motor plus one stepper motor cable.

✅ Pack size: 1 linear stage actuator with NEMA17 stepper motor, 1 stepper motor cable
✅ Ball screw type: SFU1605
✅ Ball screw diameter: 16mm
✅ Lead pitch: 5mm per revolution
✅ Precision grade: C7
✅ Effective travel length: 100mm
✅ Total length: 265mm
✅ 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 100mm
Total Length 265mm
Repeat Accuracy ±0.03mm
Weight 1415g

Stepper Motor Specifications
Motor Type NEMA17
Step Angle 1.8 degree
Flange Size 42mm
Motor Length 47mm
Holding Torque 1.2Nm
Rated Current 1.5A
Resistance 0.8 ohm
Inductance 2.4 mH
Rotor Inertia 87.3gcm
Lead Wires 4
Wiring Red A+ Green A- Yellow B+ Blue B-

This short-stroke linear stage delivers clean linear motion, dependable accuracy, and easy integration for CNC X Y Z axes and motion control systems where space is extremely limited.

💡 Why are ball screw driven linear stages used for very short-travel precision CNC axes?
Ball screw linear stages are built to keep motion tight and predictable in compact layouts.

• Rolling ball contact cuts friction and improves efficiency

• Fixed lead pitch supports precise positioning and micro feed control

• Square linear rails add stiffness and resist side loading

• Integrated stepper motor keeps alignment simple and reliable

A handy pick when you want ultra-compact travel, repeatable accuracy, and a ready-to-install linear axis for small CNC and automation builds.