131:1 Metal Gearmotor 37Dx57L mm with 64 CPR Encoder

131:1 Metal Gearmotor 37Dx57L mm with 64 CPR Encoder
Pololu item #: 1447 3 in stock

Price break Unit price (US$)
1 39.95
10 35.96


backorders allowed

This gearmotor is a powerful 12V brushed DC motor with a 131.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 8400 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specs at 12 V: 80 RPM and 300 mA free-run, 250 oz-in (18 kg-cm) and 5 A stall.

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Dimensions

Size: 37D x 69L mm
Weight: 230 g
Shaft diameter: 6 mm

General specifications

Gear ratio: 131:1
Free-run speed @ 6V: 40 rpm1
Free-run current @ 6V: 250 mA1
Stall current @ 6V: 2500 mA1
Stall torque @ 6V: 125 oz·in1
Free-run speed @ 12V: 80 rpm
Free-run current @ 12V: 300 mA
Stall current @ 12V: 5000 mA
Stall torque @ 12V: 250 oz·in
Lead length: 11 in

Notes:

1
This motor will run at 6 V but is intended for operation at 12 V.

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