24mm Brushed DC Motor – 50mm Type Model NFP-RK-290

Notice: this motor model need to make new ones that would take extra 2-3 weeks.

24mm brushed DC motor delivers reliable torque and efficient performance for robotics, automation, electric windows, toys and compact devices.

DATASHEET

Solidly Constructed DC Motor Specification Sheet

First, the NFP-RK-290 series is a compact brushed DC motor made for stable speed, useful torque, and reliable daily use. It offers several voltage options for different power systems.

Also, the series includes 7V, 12V, and 24V versions. Therefore, users can choose a suitable model based on voltage, speed, current, torque, and output power.

In addition, the motors reach no-load speeds from 6,000RPM to 7,800RPM. As a result, they are suitable for electric windows, curtains, small drives, and other powered mechanisms.

Main Product Features

• Wide voltage choice: Different models support 7V, 12V, and 24V DC systems.
• High speed: No-load speed reaches up to 7,800RPM.
• Useful torque: Stall torque reaches up to 927g.cm.
• Good efficiency: Maximum efficiency reaches up to 72%.
• Compact size: The RK-290 motor fits many small drive systems.
• Brushed DC design: Simple control makes the motor easy to use in many products.

Motor Performance Data

Next, the table below compares the four NFP-RK-290 motor versions. It shows voltage, speed, current, torque, output power, efficiency, and stall data.

For example, the NFP-RK-290-03271S gives the highest no-load speed at 7,800RPM. However, the NFP-RK-290-3623 provides the highest stall torque at 927g.cm.

Also, the NFP-RK-290-3623 reaches the highest efficiency at 72%. Therefore, each winding is suited to a different balance of speed, torque, current, and voltage.

High Performance Brush DC Motor Form Factors

First, the product image shows the RK-290 motor body, shaft, end cap, and overall shape. Therefore, users can check the basic form before making a bracket or housing.

Also, the compact structure makes the motor easy to fit into small powered mechanisms. As a result, it works well in space-limited products.

Mechanical Design Benefits

• Compact motor body: Fits small drive systems and narrow spaces.
• Simple shaft design: Makes coupling and gear connection easier.
• Easy mounting: The motor can be fixed with a suitable bracket or frame.
• Wide voltage choice: Several windings support different power sources.
• Flexible use: Suitable for windows, curtains, gears, and small machines.

Powerful DC Motor Characteristic Curve

Next, the characteristic curve shows how speed, current, torque, power, and efficiency change as the load increases. Therefore, it helps users choose a safer working point.

Also, current normally rises as the load becomes heavier. In contrast, motor speed falls as torque increases.

Performance Curve Benefits

• Speed check: Shows how RPM changes with load.
• Current check: Helps size the power supply and driver.
• Torque check: Helps match the motor to the mechanical load.
• Power check: Shows the useful output power range.
• Efficiency check: Helps find a better point for long-term operation.
• Stall check: Helps plan current limits and overload protection.

Applications and Selection Tips

Typical Applications

Finally, the NFP-RK-290 series is suitable for products that need compact size, stable speed, and useful torque.

• Electric windows: Supports lifting and lowering mechanisms.
• Electric curtains: Drives small curtain opening and closing systems.
• Small gear drives: Can be paired with a gearbox for lower speed and higher torque.
• Smart home products: Fits small powered adjustment systems.
• DIY machines: Works in compact motor-driven projects.
• Automation devices: Supports small moving parts and drive units.

How to Choose the Correct RK-290 Motor

First, choose the motor based on the available supply voltage. Next, compare the required speed and torque with the table above.

Also, check the rated working current instead of only the no-load current. Therefore, the power supply can handle the motor during normal use.

Moreover, check the stall current when choosing the driver and fuse. For example, the NFP-RK-290-3623 can draw up to 8.77A at stall.

Finally, avoid keeping the motor in a stall condition. Otherwise, high current can quickly increase heat and shorten motor life.

Final Selection Notes

• First, check voltage: Choose the winding that matches the power source.
• Next, check speed: Compare the required RPM with each motor version.
• Also, check torque: Make sure the motor can handle the normal load.
• Moreover, check current: Size the power supply for real working current.
• In addition, check stall current: Use suitable wiring, driver protection, and a fuse.
• Then, check cooling: Heavy loads may need better airflow.
• Furthermore, check mounting: Use a firm bracket to keep the shaft aligned.
• Finally, test the full system: Check speed, current, heat, torque, noise, and working life before mass production.

In short, the NFP-RK-290 series offers several brushed DC motor versions for 7V, 12V, and 24V systems.

Therefore, it is well suited for electric windows, electric curtains, smart home drives, compact machines, and other small motor systems.

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