100:1 Planetary Gearbox Nema 11 Stepper Motor Low Speed High Torque DIY Camera

High-torque NEMA 11 stepper with 99:1 planetary gearbox for cameras
✔️ 0.018° step, 99.05:1 gearbox, 4Nm torque, 0.67A per phase

This compact NEMA 11 stepper motor includes a built-in planetary gearbox, delivering very low speed and high torque for precise control in camera rigs, small CNC projects, and automation where space is tight. Pack size: 1 unit.

✅ Holding torque: 4 Nm (566 oz-in)
✅ Gearbox ratio: 99.05:1; efficiency 73%
✅ Step angle: 0.018°
✅ Rated current per phase: 0.67 A
✅ Phase resistance: 9.2 Ω
✅ Inductance: 5.7 mH ±20% (1 kHz)
✅ Shaft diameter: 6 mm; Shaft length: 18 mm
✅ Backlash (no-load): ≤1°
✅ Frame size: 30 x 30 mm; Motor length: 50.5 mm
✅ Gearbox length: 42.7 mm; Shaft max axial load: 5 N
✅ Weight: 330 g; Lead length: 500 mm
✅ Leads: 4 (A+, A-, B+, B-)
✅ Pack: 1 unit

💡 What is a low-speed high-torque stepper motor with planetary gearbox used for in precision automation?

This setup is handy for precise motion control in compact systems.

- Handy for camera sliders and micro CNC machines - Great for automated focus and small robotics - Reduces vibration at slow speeds while keeping position - Works with common motor drivers for safe operation