Pololu Wheel 40×7mm Pair - Black

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Pololu item #: 1452
Brand: Pololu
Status: Active and Preferred 
RoHS 3 compliant


These black plastic wheels have silicone tires and measure 40 mm (1.57″) in diameter, and they press-fit onto 3mm D shafts, such as those on our micro metal gearmotors. This product is a pair of wheels.

Alternatives available with variations in these parameter(s): size color Select variant…

Compare all products in Pololu Wheels and Tracks for 3mm D-Shafts or Pololu Wheels and Tracks.

Pictures

Pololu Wheel 40×7mm Pair – Black.

Pololu Wheel 40×7mm Pair – Black.

Parts included with Pololu Wheel 40×7mm Pair – Black.

Pololu 40×7mm wheels.

Pololu 40×7mm wheel on a Micro Metal Gearmotor.

Black Pololu Wheels with 90, 80, 70, 60, 40, and 32 mm diameters (other colors available).

Pololu Wheels with 90, 80, 70, and 60 mm diameters in three colors: blue, red, and yellow.




Overview

These plastic wheels with silicone tires are 7 mm (0.28″) wide and 40 mm (1.57″) in diameter, and they are designed to press-fit securely onto 3mm-diameter D shafts, such as those on our micro metal gearmotors and our 120:1 mini plastic gearmotor.

Pololu 40×7mm wheel on a Micro Metal Gearmotor.

Pololu 40×7mm wheels.

The included silicone tires are also available separately.

Details for item #1452

Parts included with Pololu Wheel 40×7mm Pair – Black.

This is the black version of our 40×7mm wheel pair. These same-sized wheels are also available in red or white.

Other wheel options

We have similar wheels available in different sizes and colors:

Alternatives available with variations in these parameter(s): size color Select variant…

Black Pololu Wheels with 90, 80, 70, 60, 40, and 32 mm diameters (other colors available).

Pololu Wheels with 90, 80, 70, and 60 mm diameters in three colors: blue, red, and yellow.

These wheels are compatible with our Universal Mounting Hubs, which are available for different shaft sizes and mounting hole thread options, as shown in the table below. These mounting hubs can be used as adapters between these wheels and a variety of different motor shafts.

Pololu Universal Mounting Hubs
for 3mm shafts for 4mm shafts for 5mm shafts for 6mm shafts for 1/4″ shafts for 8mm shafts
M3 holes
#4-40 holes
#2-56 holes 		M3 holes
#4-40 holes
  		M3 holes
#4-40 holes
  		M3 holes
#4-40 holes
  		M3 holes
#4-40 holes
  		M3 holes
 
 

Pololu Wheels for 3mm Shafts		 32×7mm – – – – – –
40×7mm – – – – – –
60×8mm – – –
70×8mm – – –
80×10mm
90×10mm

Pololu Wheels for Servos		 40×7mm – – – – – –
60×8mm
70×10mm – – –
90×10mm – – –

Pololu Multi-Hub Wheels		 80×10mm – – –

White Pololu Wheel 60×8mm on a Pololu 20D mm Metal Gearmotor.

Black Pololu Wheel 90×10mm on a Pololu 37D mm Metal Gearmotor.

Dimensions

Size: 40 x 7 mm
Weight: 0.15 oz1
Shaft diameter: 3 mm2

General specifications

Color: black

Notes:

1
Per wheel, including tire.
2
D-shaped hole for press fit onto Pololu Micro Metal Gearmotors and Mini Plastic Gearmotors.

File downloads

Frequently-asked questions

What are the Pololu wheels made of?
  • The material used to make the hubs of Pololu wheels is ABS (also known as Polylac) PA-747.
  • The material used to make the tires of Pololu Wheel 42×19mm is natural rubber.
  • The material used to make the tires of all Pololu wheels (except the Pololu Wheel 42×19mm) is silicone rubber.

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