Micro metal gearmotor HP 50:1 630RPM - Pololu 998

Index: PLL-00064 EAN: 5904422306212

Pololu's high power miniature motor with 50:1 gearing, has 630 RPM, torque is 1.1 kg*cm (0.107 Nm).

Micro metal gearmotor HP 50:1 630RPM - Pololu 998
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Manufacturer: Pololu

Product description: Pololu #998 motor

Small, lightweight yet powerful motors from Pololu are used by robot builders as drive units. The units can be powered with a voltage of up to 9 V, they gain useful power above 3 V. The optimum voltage, at which the ratio of power to strength is most favourable, is 6 V.

Dimensions of the 50:1 motor

The motor body is a cuboid measuring 24 x 10 x 12 mm. The gear is 9.27 mm long. There is a 3 mm D-shaped shaft at the output. The total mass is about 10 g.

Wymiary micro silnika Pololu

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

Mocowania silników

Accessories for the motor

We offer a range of accessories that work with Pololu micro motors:

Our offer also includes wheels and tracks matched to Pololu's micro engine shafts. There is also available a special version of wheels equipped with speed measuring - encoders. Installation of untypical wheels is facilitated by adapters.

Koła silników Pololu

Control of direction and rotational speed is possible with DC motor drivers. In our offer you can find both integrated circuits for individual soldering and ready to connect, cooperating with sets (eg. Arduino) modules.

Pololu 999

The shop also offers many other motors.

Video from the final run of the winning Impact design at the T-BOT 2013 robot tournament. Our robot is equipped with Pololu HP micro motors with 10:1 gearing.

Pololu HP 50:1 motor specifications

Supply voltage:

3 V to 9 V

No-load current (6 V):

120 mA

Current at stopped shaft (6 V):

1600 mA

No-load speed (6 V):

630 rpm

Torque (6 V):

1.1 kg*cm (0.107 Nm)

Gear ratio:


Shaft diameter:

3 mm

Body dimensions:

24 x 10 x 12 mm


10 g

Double-sided shaft:


Diameter 12 mm
Voltage to 3.0 V
Voltage from 9.0 V
Motor - current 120 mA
Motor - gear 50:1
Rotation speed 630 obr/min
Torque 1.1 kg*cm
Mass 10 g
Motor - shaft 3 mm
Voltage nominal 6.0 V
Package width 5 cm
Package height 1 cm
Package depth 8 cm
Package weight 0.01 kg

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