Dura-Lift Ultra-life 2 inch Reinforced 6200z Bearing Nylon Garage Door Roller and 4 inch Stem

The heavy-duty 6200Z bearing cages the ball bearings so there is no rubbing or friction, in combination the nylon wheel, results in the quieter and smoother opening and closing of your garage door. The caged bearing increases roller cycle rating by 10 times = 150,000 door open/close cycles at a 110 pound load. The perfect DIY garage door project to reduce your garage opening and closing noise by up to 75%!