“Brushed motor”

Difference between 540 and 550 motors

The 550 dc motor has a body length of 66mm compared to the 540 motor's body length of 50mm. this shows that the 550 motor is visually quite a bit longer than the 540 motor. Although both have the same diameter of 36mm, the 550 motor has a core diameter of 5mm, while the 540 motor has a core diame...