These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 3/4/5/6 mm / 0.250 inch 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).
These universal mounting hubs are designed to work with most 3/4/5/6 mm /0.250 inch diameter shafts, including round shafts and “D” shafts. Each of the two included hubs has six mounting holes for #4-40 screws (not included), letting you mount custom wheels or mechanisms to your motors. The four included #4-40 hex set screws (two 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 under the resources tab.
The picture to the right shows a hub with Pololu’s 19:1 metal gearmotor 37Dx52L mm and a Pololu stamped aluminum L-bracket for 37D mm metal gearmotors. These hubs will work with any of our 37D mm metal gearmotors, and they also work with 80 mm and 90 mm Pololu wheels.
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Specifications
3mm
Dimensions
| Size: | 17.5 mm diameter × 5 mm thick |
|---|---|
| Weight: | 2.8 g1 |
| Shaft diameter: | 3 mm |
| Mounting hole size: |
#4-402 |
File downloads
- Pololu universal aluminum mounting hub for 3mm shaft, #4-40 holes mechanical drawing (34k pdf)
- Printable mechanical drawing for the Pololu universal aluminum mounting hub for 3mm shaft, #4-40 holes.
- 3D model of Pololu Universal Aluminum Mounting Hub for 3mm Shaft, #4-40 Holes (1MB step)
4mm/ 5mm
Dimensions
| Size: | 19 mm diameter × 5 mm thick |
|---|---|
| Weight: | 3.2 g1 |
| Shaft diameter: | 4 mm / 5 mm |
| Mounting hole size: |
#4-402 |
File downloads
- Pololu universal aluminum mounting hub for 4mm shaft, #4-40 holes mechanical drawing (33k pdf)
- Printable mechanical drawing for the Pololu universal aluminum mounting hub for 4mm shaft, #4-40 holes.
- 3D model of Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (1MB step)
- Pololu universal aluminum mounting hub for 5mm shaft, #4-40 holes mechanical drawing (33k pdf)
- Printable mechanical drawing for the Pololu universal aluminum mounting hub for 5mm shaft, #4-40 holes.
- 3D model of Pololu Universal Aluminum Mounting Hub for 5mm Shaft, #4-40 Holes (1MB step)
6mm
Dimensions
| Size: | 25.4 mm diameter × 9.2 mm thick |
|---|---|
| Weight: | 6.8 g1 |
| Shaft diameter: | 6 mm |
| Mounting hole size: |
#4-402 |
File downloads
Dimensions
| Size: | 25.4 mm diameter × 9.2 mm thick |
|---|---|
| Weight: | 6.7 g1 |
| Shaft diameter: | 0.250 in |
| Mounting hole size: | #4-402 |
File downloads
- Pololu universal aluminum mounting hub for 6mm shaft, #4-40 holes mechanical drawing (47k pdf)
- Printable mechanical drawing for the Pololu universal aluminum mounting hub for 6mm shaft, #4-40 holes.
- 3D model of Pololu Universal Aluminum Mounting Hub for 6mm Shaft, #4-40 Holes (1MB step)
- 0.250 inch
- Pololu universal aluminum mounting hub for 0.250″ shaft, #4-40 holes mechanical drawing (69k pdf)
- Printable mechanical drawing for the Pololu universal aluminum mounting hub for 1/4 inch shaft, #4-40 holes.
- 3D model of Pololu Universal Aluminum Mounting Hub for 1/4″ Shaft, #4-40 Holes (1MB step)
Pololu 1078/1203/1083/1081/1993 Universal Aluminum Mounting Hub for 3mm/ 4mm/ 5mm/ 6mm/ 6.35mm 0.250inch Shaft, 4-40 Holes (2-Pack)
- Brand: Pololu
- Product Code:Pololu-Universal-Alu-Mount
- Reward Points:6
- Availability:In Stock
-
रo 645.00
- Price in reward points:645
-
- 5 or more रo 613.00
- 25 or more रo 582.00
- 50 or more रo 577.00
- 100 or more रo 556.00
- 125 or more रo 551.00
- 255 or more रo 536.00
Available Options
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Tags: Pololu, Universal, Aluminum, Mounting, Hub, 3mm, 4mm, 5mm, 6mm, Shaft
