The problem being that after a period of time and use the metal around the ball bearings stretched and the roller would lean until the stem dragged on the roller thus causing drag until the ball bearings.
Garage door roller loose.
When the bolts and nuts become loose they can cause your garage door to make a vibrating or rattling noise when you open and close it.
Then spray all the moving.
Steel garage door rollers.
Find new rollers and hinges here.
Simply grab the round end of the current roller and pull it out of place.
When your garage door opener chain becomes loose it creates a loud slapping sound and causes the rollers to smack against the track because of jerky door movements.
Move the garage door up and down until you find a place where the door stays suspended when you let go.
2 brace the open door keep the door open a few feet off the ground as this takes the pressure off the door springs.
Originally most were steel rollers that had eight ball bearings that were just molded into the roller itself.
Then take one of your new garage rollers and slide it into its spot on the hinge.
Snug up all the nuts and bolts on your garage door track and check for worn parts and replace where needed.
If that point is more than four feet or less than three feet above the ground you will need to balance the door.