5mm Pololu universal aluminum mounting hub on a stepper motor with a 5mm-diameter output shaft.

These universal mounting hubs are designed to work with most 5 mm diameter shafts, including round shafts and “D” shafts, such as those on our stepper motors. Each of the two included hubs has four mounting holes for M3 screws (not included), letting you mount custom wheels or mechanisms to your motors. The two included M3 hex set screws (one for each hub) allow secure coupling of shaft to hub, and a 1.5 mm hex wrench is included for use with the set screws. A dimension diagram of the hub is available under the resources tab.

These hubs will work with most of our stepper motors (the ones with 5 mm shafts), and they also work with 60 mm, 70 mm, 80 mm, and 90 mm Pololu wheels.

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


Specifications

Dimensions

Size: 19 mm diameter × 5 mm thick
Weight: 3.2 g1
Shaft diameter: 5 mm
Mounting hole size: M32

Notes:

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

Resources

File downloads

Pololu universal aluminum mounting hub for 5mm shaft, M3 holes mechanical drawing (34k pdf)
Printable mechanical drawing for the Pololu universal aluminum mounting hub for 5mm shaft, M3 holes.
3D model of Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes (1MB step)

(PL-1998)

SKU PL-1998
Brand Pololu

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