20D_mm_metal_gearmotor5a7218845e6f6_600x600.jpg

488:1 Metal Gearmotor 20Dx46L mm 12V CB

€29.95 *

Prices plus VAT plus shipping costs

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  • Pololu
  • EXP-R25-938
  • 3497
  • CN
  • 85011091
  • 0.1
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 12V brushed DC motor with long-life carbon brushes combined with a 488.3:1 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 12 V: 29 RPM and 90 mA with no-load, 350 oz-in (25 kg-cm) and 1.6 A at stall. Note: the gearbox torque limit is 70 oz-in (5 kg-cm).

Specifications:

  • Size: 20D × 46L mm
  • Weight: 47 g
  • Shaft diameter:4 mm
  • Gear ratio: 488.28125:1
  • Free-run speed @ 12V: 29 rpm
  • Free-run current @ 12V: 90 mA
  • Stall current @ 12V: 1.6 A
  • Stall torque @ 12V: 350 oz·in
  • Free-run speed @ 6V: 15 rpm
  • Stall current @ 6V: 0.8 A
  • Stall torque @ 6V: 175 oz·in
  • Extended motor shaft?: Y
  • Motor type: 1.6A stall @ 12V CB (carbon brush)
gear ratio: 488:1
Encoder: No
Rated Voltage: 6V
shaft diameter: 4mm
extended motor shaft: Yes
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