Garage door rollers - 2 Steel Wheels with 10 ball-bearings & 4 stem (10-pack)

Replacement garage door rollers for home use. Perfect for replacing old worn noisy or broken rollers. Garage door rollers are easy to replace yourself. Steel wheels with 10 ball-bearings Standard wheels are made of nylon and wear out. Our solid steel wheels offer the ultimate in durability so you can be sure they ll last for years to come. Each roller contains ten ball bearings for smooth operation. Sizing details These rollers come in multiple sizes: Wheel diameter: 2 wheels: For the standard 2 tracks on most residential doors. SK7121 & SK7171 3 wheels: For the wider 3 tracks on commercial or heavy doors. SK7124 & SK7125Stem/shaft length: The stem slides into the hinges on the outer edge of the door. 4? stems: For standard single-hinge installations. SK7121 SK7125 & SK7171 7 stems: For heavier double-hinged doors. SK7124 For hinges see our SK7101 SK7102 and SK7103 For best results The average residential garage door has 10 rollers on it. For smooth and easy opening and closing and to extend the life of the electric door opener change all rollers at the same time or when adding a new electric opener. Always work carefully and secure the door before starting your replacement.