120:1 Mini Plastic Gearmotor 90-Degree 2mm Spline Output

120:1 Mini Plastic Gearmotor 90-Degree 2mm Spline Output
Pololu item #: 1123 637 in stock

Price break Unit price (US$)
1 5.49
10 4.95
50 4.67


backorders allowed

This compact, inexpensive, low-current gearmotor (brushed DC motor with a 120:1 reduction gearbox) is well suited for use in small robots. At 4.5 V, it has a free-run speed of 120 RPM and a stall torque of approximately 20 oz-in (however, the built-in safety clutch might start slipping before the stall torque is reached). The splined output shaft has a crest diameter of 2 mm and is perpendicular to the motor shaft. Though the product picture shows two gearmotors, this product is for a single motor.

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File downloads

Dimension diagram (in mm) (100k pdf)
Dimensions (in mm) of the 120:1 mini plastic gearmotor with 90-degree 2mm spline output.