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12V 200 RPM Johnson Geared DC Motor - Grade A Quality

SKU: QI8576VVHB
The 12V 200 RPM Johnson Geared DC Motor is a reliable and powerful motor for your robotics and DIY projects. It provides 200 RPM speed and 56.1 N-cm torque. The motor has a 30mm long main shaft with a hole for easy connection and a back shaft that works with encoders for speed and position feedback. This motor runs on...
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Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

 Specifications:

Product Type: Johnson Geared DC Motor
Rated Speed: 200 RPM
Rated Torque: 56.1 N·cm
Base Motor Speed: 18,000 RPM
Gear Ratio: 3.75 (approx.)
Gear Material: Metal construction
Dimensions (L × H × W): 6 cm × 3.5 cm × 2 cm
Weight: 260 g

Additional Resources

12V 200 RPM Johnson Geared DC Motor.PDF

FAQ

1. What is a 12V 200 RPM Johnson Geared DC Motor

It is a high-torque DC geared motor that operates at 12 volts and delivers a speed of around 200 RPM. It uses a Johnson motor coupled with a metal gearbox, making it suitable for heavy-duty and robotics applications.

2. Where is this motor commonly used

This motor is widely used in:

  • Robot drive systems
  • Automated machines
  • Conveyor mechanisms
  • DIY robotics projects
  • Industrial prototypes

3. What makes Grade A quality motors different

Grade A quality motors offer:

  • Better build quality
  • Higher efficiency
  • Longer lifespan
  • Smooth and stable performance
  • Reduced noise and vibration

4. Is this motor suitable for high load applications

Yes, this motor is designed for high torque applications and can handle heavier loads compared to standard DC motors, making it ideal for robotic vehicles and automation systems.

5. How can this motor be controlled

It can be controlled using a motor driver module such as L298N, BTS7960, or other high-current drivers. Speed control is achieved using PWM, and direction control is done by reversing polarity.

View full product details

The 12V 200 RPM Johnson Geared DC Motor is a reliable and powerful motor for your robotics and DIY projects. It provides 200 RPM speed and 56.1 N-cm torque. The motor has a 30mm long main shaft with a hole for easy connection and a back shaft that works with encoders for speed and position feedback.

This motor runs on 12V (with a range from 6V to 18V) and offers more torque than standard motors, making it perfect for projects that need strength and precision.

Features

  • High-quality branded Johnson DC motor.
  • Sturdy construction for durability.
  • Rear shaft for easy encoder mounting.
  • Shaft equipped with metal bushes for long life.
  • High-quality gears for smooth operation.
  • Shaft includes a hole for better coupling.

Applications

  • Small Robotics
  • Automated Conveyor or Belt Systems
  • Servo-type Mechanisms
  • Home Automation
  • Educational / STEM Projects

12 V Johnson Geared DC Motor – 100 RPM vs 200 RPM

Feature 100 RPM Motor 200 RPM Motor
No‑Load Speed @12 V ~100 RPM :contentReference[oaicite:2]{index=2} ~200 RPM :contentReference[oaicite:3]{index=3}
Rated Voltage 12 V DC :contentReference[oaicite:4]{index=4} 12 V DC :contentReference[oaicite:5]{index=5}
Rated Torque (approx) ~10–12 kg‑cm at 100 RPM (Grade A) :contentReference[oaicite:6]{index=6} ~6–8 kg‑cm at 200 RPM :contentReference[oaicite:7]{index=7}
Stall Torque / Loads Stall ~20–30 kg‑cm (varies) :contentReference[oaicite:8]{index=8} Stall ~15–16 kg‑cm (varies) :contentReference[oaicite:9]{index=9}
Speed vs Torque Trade‑off Lower speed → higher torque headroom → better for heavy loads or slow motion applications Higher speed → moderate torque → suitable for faster rotation but lighter loading
Typical Use Case Actuators, robotics arms, slow rotation, high‑load applications Conveyor belts, wheels with moderate speed, general purpose motion where speed matters a bit more
Considerations If used where speed matters you may need gear reduction; also higher torque requires robust mounting and structure May not have as much torque headroom for heavy loads; ensure motor not overloaded and gearbox supports higher speed operations

12V Johnson Geared DC Motor – Troubleshooting Tips

  • Motor Not Spinning: Check power supply voltage, wiring connections, and battery charge.
  • Low or Erratic Speed: Inspect for mechanical friction, loose gears, or debris in the gearbox.
  • Excessive Heat: Ensure motor is not overloaded or stalled; give it rest periods and check rated torque limits.
  • Unusual Noise or Grinding: Check gear alignment, lubricate gears if needed, and ensure no foreign particles inside gearbox.
  • Motor Stops Intermittently: Inspect for loose wires, poor solder joints, or intermittent power supply.
  • Reduced Torque: Confirm motor is operating within rated voltage and not overloaded; check for worn gears or shaft misalignment.