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Universal Aluminum Mounting Hub for 4mm Shaft Pair

A pair of Pololu universal aluminum mounting hubs for 4 mm shaft.
Mechanical drawing for the Pololu universal aluminum mounting hub for 4 mm shaft.Pololu 20D mm gearmotor with bracket and hub.

Pololu's universal aluminum mounting hub allows you to mount custom wheels and mechanisms to 4 mm motor shafts. The hubs are sold in pairs, and each hub includes one 4-40 set screw for securing a motor shaft to the hub.

These universal mounting hubs are designed to work with most 4 mm shafts, including round shafts, and “D” shafts. Each hub has four mounting holes for 4-40 screws, letting you mount custom wheels or mechanisms to your motors. 4-40 hex set screws (one included for each hub) allow secure coupling of shaft to hub. The included set screws require a 0.05" hex wrench (often the smallest size in SAE Allen wrench sets).

Pictured is a hub with Pololu’s 25:1 metal gearmotor 20Dx44L mm and a Pololu 20D mm metal gearmotor bracket. This hub will work with any Pololu 20D mm metal gearmotor. (bracket and motor not included)

 

Price: NZ$14.90

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