

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 4.995:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.
Key specifications:
voltage | no-load performance | stall extrapolation |
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6 V | 4400 RPM, 40 mA | 0.06 kg⋅cm (0.8 oz⋅in), 0.67 A |
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Dimensions of the Pololu micro metal gearmotors with precious metal brushes: low-power (LP), medium-power (MP), and high-power (HP). Units are mm over [inches]. |
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Dimensions of the Pololu micro metal gearmotors with carbon brushes (HPCB). Units are mm over [inches]. |
In terms of size, these gearmotors are very similar to Sanyo’s popular 12 mm NA4S DC gearmotors, and gearmotors with this form factor are occasionally referred to as N20 motors. The versions with carbon brushes (HPCB) have slightly different terminal and end-cap dimensions than the versions with precious metal brushes, but all of the other dimensions are identical.
Note: The gearbox on the 1000:1 and 1000:1 HP micro metal gearmotors is 12.5 mm long. All of the other micro metal gearmotors have 9mm-long gearboxes, as shown in the above dimension diagram.
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Pololu Wheel 32×7mm Pair - Black | Pololu Wheel 32×7mm Pair - White | Pololu Wheel 40×7mm Pair - Red |
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Black Pololu Wheels with 90, 80, 70, 60, 40, and 32 mm diameters (other colors available). |
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DRV8838 Single Brushed DC Motor Driver Carrier. | Pololu A4990 Dual Motor Driver Shield for Arduino, bottom view. | DRV8835 dual motor driver carrier. |
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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