Bushings On Electric Motors?

Most vehicles have electric motors on them. Some propel the car itself, others act as power generators, actuators, and so forth. Many modern vehicles utilize electric motors to raise and lower windows, raise and lower the cargo hatch, to move seating, and for other convenience tasks. Some vehicles, of course, use electric motors to supplement the engine’s power output (hybrid cars) or as the primary means of moving the vehicle (electric cars). Most electric motors do not have internal bushings as required operational parts. Bushings are used to stabilize the rotor (output) shaft, the motor itself, and connected parts. Usually these bushings will be used to reduce noise and vibration.

Read about it at 10w40.com.