What causes a endbell to fall out?

[lincpimp]

Originally Posted by superek4

You meant too fast then too hot? Then the glue melt? Can the rotor break the magnet when the endbell pops out?

Yep, if one end of the shaft is not suporrted the magnet can contact the windings and shatter. Sometimes the magnet comes loose from the shaft, either heat or rpms can cause this.