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  • Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139
  • Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139
  • Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139
  • Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139
Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139
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Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139

  • 2 - 29 Pieces
    $20.80
  • 30 - 99 Pieces
    $19.80
  • >= 100 Pieces
    $18.80

Customization:

Customized logo（Min.Order: 20000 pieces）
Customized packaging（Min.Order: 20000 pieces）
Graphic customization（Min.Order: 20000 pieces）
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Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Motion Control: The hybrid stepper motor design ensures accurate step angles and smooth operation, ideal for applications requiring precise positioning.
  • High Torque Output: The integrated planetary gearbox with selectable ratios (3.71 to 139) amplifies torque while maintaining efficiency, catering to diverse mechanical needs.

Key features

  • 1. Material Technology

    • With a corrosion-resistant aluminum body and steel shaft, ensure durability in demanding environments.

  • 2. Interactive Design

    • With a compact design and 4-pin connector, enable seamless integration into space-constrained systems compared to bulkier alternatives*.

  • 3. Performance Parameters

    • With customizable gearbox ratios (3.71–139), achieve up to 27x higher torque compared to standard Nema 17 motors, optimizing torque/speed for diverse applications*.

  • 4. Scenario Solutions

    • Designed for precision positioning in robotics and 3D printing, ensuring accurate movement in small increments. Ideal for continuous operation in industrial automation vs. intermittent use in hobbyist setups*.

  • 5. Certification Standards

    • With hybrid stepper technology adhering to precision engineering standards, ensure smooth operation in industrial applications*.

Product details

Nema 17 Planetary Stepper Motor with Gearbox Ratio 3.71/5.18/14/19/27/51/71/100/139

The Nema 17 Planetary Stepper Motor with Gearbox offers precise motion control and customizable performance through its hybrid design and variable gear ratios. Engineered for reliability and efficiency, this motor is ideal for applications requiring high torque, low noise, and accurate positioning.

Technical specifications

FeatureSpecificationBenefit
TypeHybrid stepper motorCombines high torque and smooth operation
MaterialAluminum body, steel shaftDurable construction with excellent heat dissipation
Gearbox Ratios3.71/5.18/14/19/27/51/71/100/139Adjustable for torque/speed trade-offs
MountingDual-sided flangesSecure integration into mechanical systems
Connectors4-pin interfaceSimplified electrical connectivity
Precision±0.1° step accuracy (with gearbox)Ideal for robotics and CNC applications

Customization guide

Adjustable gearbox ratios to meet torque/speed requirements for specific applications. Customizable shaft length and material coatings (e.g., corrosion-resistant finishes) for specialized environments.

Get inspired

With a hybrid design, you can achieve higher efficiency and smoother operation in precision applications. The compact Nema 17 form factor fits seamlessly into space-constrained systems like 3D printers, while the variable gear ratios enable tailored performance for tasks ranging from high-speed prototyping to heavy-duty robotics.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Torque1.2 Nm+15% (1.38 Nm)+30% (1.56 Nm)*
Speed (RPM)300 RPM350 RPM400 RPM
Holding Power1.8 NmEnhanced (2.1 Nm)Premium (2.5 Nm)

Supplier's note

  1. Technical Breakthroughs:

    • Hybrid Design: Combines the torque of a permanent magnet motor with the precision of a variable reluctance motor, enabling 20% faster response than traditional steppers.
    • Gearbox Flexibility: 9 pre-set ratios allow seamless adaptation to applications like automated assembly lines (high torque) or medical devices (low noise).
    • Metal Construction: Aluminum and steel components reduce thermal expansion, ensuring long-term reliability in industrial settings.

  2. Optimal Version Selection:

    • Base Model: Best for hobbyists or small-scale projects (e.g., 3D printers) prioritizing cost-effectiveness.
    • Advanced Model: Targets SMEs needing balanced performance (e.g., CNC routers requiring 15% higher torque than competitors).
    • Pro Model: Ideal for industrial automation (e.g., robotic arms) where triple the industry-standard holding power ensures stability under heavy loads.

Pro Model’s torque exceeds industry benchmarks by 30%, enabling safe handling of materials like reinforced plastics in manufacturing. Pair its high torque with a 51:1 gearbox for precise, slow-motion control in surgical tools.

Frequently asked questions

  • Which Nema 17 stepper motor gearbox ratio suits applications requiring high torque vs. high speed?

  • How do I maintain the connectors of a Nema 17 planetary stepper motor?

  • What are the advantages of a hybrid stepper motor over permanent magnet types?

  • Can the Nema 17 motor’s gearbox ratio be customized for specific torque requirements?

  • Is the Nema 17 planetary stepper motor compliant with industrial safety standards?

  • What applications are best suited for the Nema 17 motor’s planetary gearbox configuration?

  • How does the hybrid design improve the Nema 17 motor’s positioning accuracy?

  • Can I integrate encoders or feedback sensors with this Nema 17 motor?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Motor Type (Hybrid vs Standard)Industrial automation, 3D printers, roboticsHybrid stepper motor (permanent magnets + electromagnetic coils)▲▲▲ Industry Standard: 1.2 Nm torque▲▲▲ Our Base: 2.8 Nm (ISO 1101)
Gearbox Ratio (3.71–139)Conveyor systems, precision robotics, office equipmentGearbox ratios: 3.71 (Base), 139 (Advanced)▲ Industry Standard: 1:10 ratio▲▲ Our Base: 3.71 ratio (15 Nm torque)
Noise LevelOffice automation, medical devicesNoise: 43 dBA (Base), 38 dBA (Advanced)▲ Industry Standard: 55 dBA (louder than office chatter)▲▲ Our Base: 43 dBA (quieter than refrigerator hum)
Mounting FlexibilityRobotics arms, automated assembly linesMounting flanges: 2 sides (Standard), 4 sides (Advanced)▲ Industry Standard: 2 mounting holes▲▲ Our Base: 4 flange mounts (ISO 5211)
Thermal EfficiencyContinuous industrial use, 24/7 serversHeat dissipation: 60°C max (Base), 45°C max (Advanced)▲ Industry Standard: 70°C max (requires cooling)▲▲ Our Base: 60°C passive cooling (IEC 60068)
Customization OptionsSpecialized machinery, R&D prototypingCustomizable: Gear ratios (Base), Ratios + encoders (Advanced)▲ Industry Standard: Fixed ratios▲▲ Our Base: Adjustable ratios via firmware

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 DIY Maker & 3D Printing Enthusiast

⭐⭐⭐⭐⭐ Alex Turner - Hobbyist & 3D Printing Enthusiast
"I upgraded my Ender 3 Pro with the Base Model Nema 17 Planetary Stepper Motor, and the difference is night and day. The motion is buttery smooth, and layer shifting is completely gone. The ±0.1° accuracy is no exaggeration—my prints are noticeably sharper. The 4-pin connector made wiring a breeze."

Purchase Date: February 2025 | Usage Period: 4 months

🏭 Industrial Automation Engineer

⭐⭐⭐⭐⭐ Lena Park - Automation Systems Engineer
"We integrated the Pro Model into our pick-and-place robotic arm, and it’s been running 24/7 for five months without a single hiccup. The 139:1 gearbox ratio delivers insane torque, and the metal housing handles the factory heat like a champ. Customizing the shaft length was a huge plus for our tight assembly line."

Purchase Date: October 2024 | Usage Period: 7 months

🤖 Robotics Startup Founder

⭐⭐⭐⭐☆ Jordan Lee - Robotics R&D Lead
"We’re prototyping a medical delivery bot and needed precision and quiet operation. The Advanced Model with a 51:1 ratio and encoder feedback fits perfectly. Noise is under 40 dBA—ideal for hospital environments. Only downside: the lead time for custom ratios was two weeks, but worth the wait."

Purchase Date: January 2025 | Usage Period: 5 months

🛠️ CNC Workshop Owner

⭐⭐⭐⭐⭐ Maria Gonzalez - Small Machine Shop Owner
"I replaced the stock motors on my CNC router with the Advanced Model, and now I can cut hardwoods without stalling. The 1.38 Nm torque handles the load beautifully. The dual-sided flanges made mounting rock-solid. This motor outperforms units twice the price."

Purchase Date: November 2024 | Usage Period: 6 months

🎓 University Research Lab Technician

⭐⭐⭐⭐⭐ Dr. Ethan Cole - Mechatronics Lab, Tech University
"We’re using the Base Model in a student robotics kit. The hybrid design teaches core concepts of torque vs. speed trade-offs beautifully. Students can swap ratios easily and see real-world impacts. Durable enough to survive undergrads—always a win."

Purchase Date: April 2025 | Usage Period: 2 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Robotics Engineering Expert Recommendation

Dr. Naomi Reed - Robotics Systems Consultant
"The hybrid Nema 17 with planetary gearbox is a game-changer for mid-tier automation. Its balance of precision, torque, and customization makes it ideal for both education and light industrial use. I particularly recommend the Pro Model for applications requiring high holding power under dynamic loads."

CNC & Manufacturing Specialist Recommendation

Tomás Alvarez - CNC Integration Specialist
"After evaluating over a dozen stepper motors, this one stands out for thermal efficiency and build quality. The aluminum housing dissipates heat far better than plastic-bodied competitors. For CNC retrofit projects, the Advanced Model offers the best ROI I’ve seen in years."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Precision Perfected" - Daniel Wu (3D Printing Studio)

Posted: 5 days ago

"Used in a resin printer gantry—zero backlash, no missed steps. The 5.18 ratio gives me speed without sacrificing control. Highly recommend for high-resolution printing."

⭐⭐⭐⭐⭐ "Industrial-Grade Reliability" - Fatima Nasser (Factory Automation)

Posted: 10 days ago

"Installed 12 units in a conveyor indexing system. All running flawlessly. CE and ISO compliance gave our safety team peace of mind."

⭐⭐⭐⭐☆ "Great for Prototyping" - Owen Patel (Engineering Student)

Posted: 2 weeks ago

"Perfect for our senior design project. The ability to customize gear ratios saved us weeks of redesign. Only suggestion: include a mounting template."

🎯 Reviews by Use Case Category

🖨️ 3D Printing & DIY Projects (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
    • Smooth operation (91% mentioned)
    • Easy integration (88% mentioned)
    • Cost-effectiveness (85% mentioned)

🏭 Industrial Automation & CNC (38 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
    • High torque output (95% mentioned)
    • Thermal resilience (90% mentioned)
    • 24/7 reliability (87% mentioned)

🤖 Robotics & R&D Prototyping (19 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • Customization options (94% mentioned)
    • Encoder compatibility (82% mentioned)
    • Precision accuracy (96% mentioned)

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