YEJMKJ Nema 14 Stepper Motor 2 Phase 1.8‌°‌ 20Ncm(28.32oz·in) High Torque Bipolar 35mm 1.2A 2.4Ω 4-Wire Shaft 24mm φ5mm 35 Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine

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• Dimensional data: Key dimensions for Nema 14 Stepper Motor include the following. Body size 35x35x34.2mm, (1.38x1.38x1.35in), Installation hole distance 26mm, Shaft length 24±0.5mm, Shaft diameter φ5mm, D-cut length 16.5mm, Cable 1m, 4-Wire Black (A+) Green (A-) Red (B+) Blue (B-), Weight 194g.
• Characteristics: Nema 14 mini stepper motor 2 Phase, Step angle 1.8‌dge (200 steps/rev), Holding torque 20Ncm (28.32oz·in), Rated current 1.2A, Resistance 2.4Ω, Inductance 2.6mH±20%, Rotor inertia approx 23g.cm².
• Operational Safety: The safe and reliable operation of this Nema14 Stepper Motor is supported by these key safety parameters. Dielectric strength 500V A.C 1 MINUTE; Insulation resistance 100MΩ MIN; Insulation class(UL) B (130℃) [266°F]; Temperature rise 80K MAX; Operation ambient temperature -20℃ ～+50℃ [-4°F～122°F]; Operation ambient humidity 15%RH～95%RH.
• Key Points to Remember: Faster speeds lead to lower torque; the recommended operating range is 0–600 RPM. Lower current reduces torque and temperature rise, while lower voltage decreases torque (recommended range: 12–24V DC). The 35mm Stepper Motor is widely used in 3D printers, DIY robots, CNC machines, and more. Its compact design and high torque make it ideal for tough applications.
• Precision-Built for Higher Output: Our upgraded Nema 14 Step Motor delivers up to 20% greater holding torque than typical models. Featuring enhanced steel cores and refined windings, it operates with noticeably reduced noise for smoother, less disruptive machine performance.

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