313:1 Metal Gearmotor 20Dx46L mm 6V CB with Extended Motor Shaft

Pololu item #: 3721 23 in stock
Brand: Pololu
Status: Active and Preferred 
 Free shipping in USA 

Price break Unit price (US$)
1 22.95
10 19.51
50 17.21
100 16.06


backorders allowed

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 312.5:1 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 6 V: 46 RPM and 170 mA with no load, 220 oz-in (16 kg-cm) and 2.9 A at stall. Note: the gearbox torque limit is 70 oz-in (5 kg-cm); see detailed description for important product limitations.

Alternatives available with variations in these parameter(s): gear ratio motor type extended motor shaft? Select variant…

 Description Specs (10) Pictures (14) Resources (3) FAQs (2) On the blog (0) 

Dimensions

Size: 20D × 46L mm
Weight: 47 g
Shaft diameter: 4 mm

General specifications

Gear ratio: 312.5:1
No-load speed @ 6V: 46 rpm
No-load current @ 6V: 170 mA
Stall current @ 6V: 2.9 A1
Stall torque @ 6V: 220 oz·in1
Extended motor shaft?: Y
Motor type: 2.9A stall @ 6V CB (carbon brush)

Notes:

1
Stalling is likely to damage the gearmotor. Stall parameters come from a theoretical extrapolation of performance at loads far from stall. As the motor heats up, as happens as it approaches an actual stall, the stall torque and current decrease.

Related Products

Magnetic Encoder Pair Kit for 20D mm Metal Gearmotors, 20 CPR, 2.7-18V
Pololu 20D mm Metal Gearmotor Bracket Pair
Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack)
Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack)
Pololu Aluminum Scooter Wheel Adapter for 4mm Shaft
12mm Hex Wheel Adapter for 4mm Shaft (2-Pack)
Dagu Wild Thumper Wheel 120x60mm Pair with 4mm Shaft Adapters - Metallic Red
Dagu Wild Thumper Wheel 120x60mm Pair with 4mm Shaft Adapters - Chrome
Pololu Wheel 60×8mm Pair - Black
Pololu Wheel 90×10mm Pair - White
MC33926 Motor Driver Carrier
Pololu Dual MC33926 Motor Driver Shield for Arduino
Dual MC33926 Motor Driver Carrier
VNH5019 Motor Driver Carrier
Pololu Dual VNH5019 Motor Driver Shield for Arduino
Pololu Simple Motor Controller 18v7 (Fully Assembled)
Pololu Simple High-Power Motor Controller 18v15 (Fully Assembled)
Pololu Qik 2s12v10 Dual Serial Motor Controller
Pololu TReX Jr Dual Motor Controller DMC02
Pololu TReX Dual Motor Controller DMC01
Jrk 21v3 USB Motor Controller with Feedback
Jrk G2 18v19 USB Motor Controller with Feedback
A-Star 32U4 Robot Controller SV with Raspberry Pi Bridge
A-Star 32U4 Robot Controller SV with Raspberry Pi Bridge (SMT Components Only)

Related Categories

6V Carbon Brush (CB) 20D Gearmotors
4mm Shaft Gearmotors
Pololu Metal Gearmotors
Pololu Wheels and Tracks
Brushed DC Motor Controllers
Brushed DC Motor Drivers
Robot Controllers
Current Sensors
Log In
Pololu Robotics & Electronics
Shopping cart
(702) 262-6648
Same-day shipping, worldwide
Menu
Shop Blog Forum Support
My account Comments or questions? About Pololu Contact Ordering information Distributors