6203 2rs c3 are the bearing you need. best to have a pro do it. should cost around $75, thats what I charge /w free shaft seal. remember to prime the pump after any repair
Yes this is an old thread but info is still helpful to those that are searching. Here is one diagram from a 3/4 motor. Be aware that most residential high voltage are 240v. This will have the motor turning a bit faster.
Try priming it water at the filter. Make sure that the filter o ring is sealing under the cap. Make sure there is enough water in the pool to enter the suction line and that it is not restricted.