General description You will receive 24 white nylon garage door rollers, providing enough quantity to meet your daily use and replacement needs. The garage door roller dimensions can fit the vast majority of residential garage doors. Technical specifications Diameter of roller: 1.8 inches Length of stem: 4.7 inches Thickness of rollers: 0.5 inches Type of bearings: 6200ZZ Installation The garage door replacement wheels can be easily installed and replaced. A simple tool is required to remove the worn and noisy rollers and replace them with the new rollers. Usage The quality nylon material reduces noise, making your garage door operate quietly and smoothly. The proper size allows the roller to run more smoothly on the track, ensuring compatibility with most residential garage doors. Other information