Micro motor N20-BT10 5:1 2500RPM - 9V

Index: DNG-12549 EAN: 5904422341176

The N20 series miniature motor with 5:1 gearing, has 2500 RPM, torque is 0.07 kg*cm (0.007 Nm). The supply voltage is from 3V to 9V.

Micro motor N20-BT10 5:1 2500RPM - 9V
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Manufacturer: N20 Motors


Power supply voltage:

3 V - 9 V

Unloaded current (9 V):

75 mA

Speed without load (9 V):

2500 rpm

Torque (9 V):

0.07 kg*cm (0.007 Nm)

Gear ratio:


Shaft diameter:

3 mm

Body dimensions:

24 x 10 x 12 mm

The weight:

10 g

Two-sided shaft:



The small, lightweight yet powerful N20 series engines, compatible with Polol's engines, are used as drive units by robot constructors. The units can be powered up to 9 volts (depending on the model), the useful power is over 3 volts. The optimum voltage at which the power to strength ratio is best is 6 V.

Silnik N20

Motor dimensions

The motor body is a 24 x 10 x 12 mm cuboid. The gearbox is 9,27 mm long. There is a 3 mm D-shaped shaft at the output. Total weight is about 10 g.

The drawing shows the dimensions of the micro motor with the gearbox.


The N20 motors are compatible with Polol motor accessories.

Silnik N20

  • Wheels, crawlers,hubs:Wealso offer wheels and crawlers, matching Pololmicroengine shafts. Installation of non-standard wheels is facilitated by adapters.

Silnik N20

Silnik N20


N20 motors are not compatible with micro Polol motor encoders.

Diameter 12 mm
Length 24 mm
Voltage to 3.0 V
Voltage from 9.0 V
Motor - current 100 mA
Motor - gear 5:1
Rotation speed 2500 obr/min
Torque 0.1 kg*cm
Mass 10 g
Motor - shaft 3 mm
Package width 5 cm
Package height 1.1 cm
Package depth 2.5 cm
Package weight 0.01 kg

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Micro motor N20-BT10 5:1 2500RPM - 9V


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Dimitri 07.03.2024 Confirmed purchase

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