Generator Commutator End Bearings

Important: To get started, click the blue "Filter Options" button to select your vehicle and then use the filters to narrow your options.

Important: To get started, select your vehicle on the left and then use the filters to narrow your options.

What is a Generator Commutator End Bearing?

A Generator Commutator End Bearing is a bearing that is used in the generator of an automobile to support the rotating armature shaft. It is located at the commutator end of the generator.

What is the purpose of a Generator Commutator End Bearing?

The Generator Commutator End Bearing helps to reduce friction between the rotating armature and the generator casing, allowing the generator to produce electricity more efficiently. It also helps to reduce wear on the generator’s internal components.

How can I tell if my Generator Commutator End Bearing is faulty?

You can usually tell if your Generator Commutator End Bearing is faulty by listening for a grinding sound coming from the generator. Additionally, if the bearing is excessively worn or loose, it can cause the generator to vibrate or make other unusual noises.

Can a faulty Generator Commutator End Bearing cause damage?

Yes, a faulty Generator Commutator End Bearing can cause damage to the generator, including wear on the internal components, or even failure of the generator itself.

How do I replace a Generator Commutator End Bearing?

To replace a Generator Commutator End Bearing, follow these steps:

  1. Disconnect the negative battery cable.
  2. Remove the generator from the vehicle and remove the fan, pulley, and other components as necessary.
  3. Disassemble the generator, being careful not to damage the brushes and commutator.
  4. Install the new bearing and reassemble the generator.
  5. Reinstall the generator in the vehicle.
  6. Reconnect the negative battery cable.


How often should I inspect my Generator Commutator End Bearing?

It is a good idea to inspect the Generator Commutator End Bearing every few months for signs of wear or damage. This can help ensure that your generator is operating at peak efficiency and help to prevent any unexpected breakdowns.