Dear customers,
We have summer vacation from 15 Aug 2022 to 19 Aug 2022
The orders during the vacation will be processed on 22 Aug 2022. Please plan ahead.
Yours sincerely
EXP-Tech team
We have summer vacation from 15 Aug 2022 to 19 Aug 2022
The orders during the vacation will be processed on 22 Aug 2022. Please plan ahead.
Yours sincerely
EXP-Tech team

391:1 Metal Gearmotor 20Dx46L mm 6V CB
- Manufacturer: Pololu
- Order number: EXP-R25-974
- Manufacturer part number: 3722
- country of origin: CN
- HS code: 85011091
- Weight (kg): 0.047
These small brushed DC gearmotors can deliver a lot of power for their size. This version has a... more
These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor with long-life carbon brushes combined with a 390.6:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 18 mm from the face plate of the gearbox. This version also has a 6 × 2 mm extended motor shaft.
Key specs at 6 V: 37 RPM and 170 mA with no load, 260 oz-in (19 kg-cm) and 2.9 A at stall. Note: the gearbox torque limit is 70 oz-in (5 kg-cm); see detailed description for important product limitations.
Specifications:
- Size: 20D × 46L mm
- Weight: 47 g
- Shaft diameter:4 mm
- Gear ratio: 390.625:1
- Free-run speed @ 6V: 37 rpm
- Free-run current @ 6V: 170 mA
- Stall current @ 6V: 2.9 A
- Stall torque @ 6V: 19 kg-cm
- Extended motor shaft?: Y
- Motor type: 2.9A stall @ 6V CB (carbon brush)
Power Range: | LP |
gear ratio: | 391:01:00 |
extended motor shaft: | Yes |
shaft diameter: | 4mm |
Rated Voltage: | 6V |
Encoder: | No |
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