Nema 17 Stepper Motor 145mNm High Torque 20.5mm/0.80inch Bipolar 1A-3.5V 2 Phase 4 Lead Step Motor for 3D Printer/CNC Milling Engraving Machine,1.66x1.66x0.81inch

NEMA 17 High-Torque Stepper Motor for 3D Printers and CNC Systems
✔️ 145 mN·m torque, 2-phase bipolar, 20.5 mm long, 1 A current

This single-pack NEMA 17 stepper motor delivers precise motion for 3D printers, CNC mills, laser engravers, and automation projects. Includes 1 piece with 1 m cable.

✅ Holding torque: 145 mN·m (20.53 oz-in)
✅ Rated current: 1 A; Phase resistance: 3.5 Ω; Phase inductance: 3.8 mH
✅ Step angle: 1.8°; 2-phase bipolar; 4 leads
✅ Body: 42 x 42 x 20.5 mm (1.66 x 1.66 x 0.81 in); Shaft Ø 5 mm (D shaft 4.5 mm); length 24 ± 0.5 mm
✅ Rotor inertia: 14.5 g·cm²; Compact design for stable performance
✅ Cable: 1 m attached cable for easy wiring
✅ Low-noise operation to keep workspaces quiet
✅ Ideal for precision motion in 3D printers, CNC milling, laser engraving, automation

💡 What is a pillow block bearing used for in precision motion systems?

Handy component that supports shafts and keeps them aligned in CNCs, 3D printers, and other automation projects.

- Helps support rotating shafts and maintain alignment under load - Reduces friction and wear, boosting accuracy and life of the system - Common in DIY builds and light industrial setups needing steady motion - Works well with standard shaft sizes and simple frame integration