Sale! Pololu Universal Aluminum Mounting Hub for 4mm Shaft, No.4-40 Holes (2-Pack) View larger

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Pololu Universal Aluminum Mounting Hub for 4mm Shaft, No.4-40 Holes (2-Pack)

0104110000070838

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These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4 mm diameter motor shafts. The set includes two hubs, two #4-40 set screws for securing the hubs to motor shafts, and one 0.05" Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4-40 screws (not included).

We have an assortment of universal mounting hubs available, spanning several shaft sizes and featuring mounting holes threaded for metric or imperial screws


See Description for more details about the product.

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Overview

These universal mounting hubs are designed to work with most 4 mm diameter shafts, including round shafts, and "D" shafts. Each of the two included hubs has four mounting holes for #4-40 screws (not included), letting you mount custom wheels or mechanisms to your motors. The two included #4-40 hex set screws (one for each hub) allow secure coupling of shaft to hub, and a 0.05″ hex wrench (often the smallest size in SAE Allen wrench sets) is included for use with the set screws. A dimension diagram of the hub is available here.

The picture to the right shows a hub with Pololu’s 25:1 metal gearmotor 20Dx44L mm and a Pololu 20D mm metal gearmotor bracket. These hubs will work with any Pololu 20D mm metal gearmotor or 25D mm metal gearmotor, and they also work with 60 mm, 70 mm, 80 mm, and 90 mm Pololu wheels (excluding the Multi-Hub versions; see the individual wheel pages for compatibility details).

a.jpg


Pololu 20D mm gearmotor with bracket and hub.

b.jpg


Pololu 60x8mm wheel on a Pololu 25D mm metal gearmotor.

d.jpg


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


Specifications

Dimensions

Size: 19 mm diameter x 5 mm thick
Weight: 3.2 g1
Shaft diameter: 4 mm
Mounting hole size: #4-402


Notes:

1 For a single hub only (without set screw).
2 This is also the size of the set screw.


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Pololu Universal Aluminum Mounting Hub for 4mm Shaft, No.4-40 Holes (2-Pack)

Pololu Universal Aluminum Mounting Hub for 4mm Shaft, No.4-40 Holes (2-Pack)

These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4 mm diameter motor shafts. The set includes two hubs, two #4-40 set screws for securing the hubs to motor shafts, and one 0.05" Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4-40 screws (not included).

We have an assortment of universal mounting hubs available, spanning several shaft sizes and featuring mounting holes threaded for metric or imperial screws


See Description for more details about the product.

Don't delay, buy today. Add to cart now!

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