Sealed-bearing roller options
That means plain steel rollers on open bearings, no nylon, no seal, no grease fitting most of the time. We carry three tiers: 7-ball sealed-bearing steel rollers for heavier wood or insulated doors, 10-ball sealed steel for double-car doors under daily use, and quiet nylon rollers with sealed bearings for anyone who wants the door to stop waking the house up.
