19:1 Metal Gearmotor 37Dx52L mm (Helical Pinion)

This gearmotor is a powerful brushed DC motor with 18.75:1 metal gearbox intended for operation at 12 V. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft.

Specifications:

• Size: 37D x 52L mm
• Weight: 185 g
• Shaft diameter: 6 mm
• Gear ratio: 18.75:1
• No-load speed @ 12V: 540 rpm
• No-load current @ 12V: 0.15A
• Stall current @ 12V: 5.5A
• Stall torque @ 12V: 8.5 kg·cm
• Max output power @ 12V:12W
• No-load speed @ 6V: 270 rpm
• No-load current @ 5V: 0.1A
• Stall current @ 6V: 3.0A
• Stall torque @ 6V: 5.0 kg·cm
• Max efficiency @ 12V:55 %
• Speed at max efficiency: 470 rpm
• Torque at max efficiency: 1.0 kg·cm
• Current at max efficiency: 0.76 A
• Output power at max efficiency: 5.0 W
• Encoders?: N