250:1 Metal Gearmotor 20Dx46L mm 6V CB with Extended Motor Shaft

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 250:1 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.

Specs:

• Size: 20D × 47.7L mm
• Weight: 47 g
• Shaft diameter: 4 mm
• Gear ratio: 250:1
• No-load speed @ 6V: 57 rpm
• No-load current @ 6V: 0.15 A
• Stall current @ 6V: 2.9 A
• Stall torque @ 6V: 12 kg·cm
• Max output power @ 6V: 1.8 W
• Extended motor shaft?: Y
• Long-life carbon brushes?: Y
• Motor type: 2.9A stall @ 6V CB (carbon brush)