Question: What could be the reasons for vacuum pump bearing overheating?

Answer:

1、 Belt too tight:

Solution - Loosen the belt sufficiently to its normal state.

2、 Misalignment between the vacuum pump and the motor:

Solution - Realign the vacuum pump with the motor.

3、 Insufficient or excessive lubricating oil:

Solution - Improve lubrication conditions.

4、 Improper installation of bearings:

Solution - Reinstall the bearings properly.

5、 Bearing wear, rust, or damage:

Solution - Replace the bearings with new ones.