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78:1 Metal Gearmotor 20Dx43L mm 6V CB

78:1 Metal Gearmotor 20Dx43L mm 6V CB
21,90 € *

inkl. MwSt. zzgl. Versandkosten

Sofort versandfertig, Lieferzeit ca. 1-3 Werktage

  • Pololu
  • EXP-R25-991
  • 3703
  • 2
  • CN
  • 85011099
  • 0.047
These small brushed DC gearmotors can deliver a lot of power for their size. This version has... mehr

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 78.13:1 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. 

Key specs at 6 V: 190 RPM and 170 mA with no load, 62 oz-in (4.5 kg-cm) and 2.9 A at stall. Note: the gearbox torque limit is 70 oz-in (5 kg-cm).

Specifications:

  • Size: 20D × 43L mm
  • Weight: 45 g
  • Shaft diameter: 4 mm
  • Gear ratio: 78.125:1
  • Free-run speed @ 6V: 190 rpm
  • Free-run current @ 6V: 170 mA
  • Stall current @ 6V: 2.9 A
  • Stall torque @ 6V: 4.5 kg-cm
  • Extended motor shaft?: N
  • Motor type: 2.9A stall @ 6V CB (carbon brush)
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