David Bolton Heavy-Weight Ball Bearing Hinges: Why Frequency of Use — Not Just Door Weight — Should Drive the Upgrade Decision The Spec Decision Most Hardware Schedules Get Wrong When a hardware schedule calls out a standard-weight ball bearing hinge on a commercial door, the specifier has usually looked at one number: door w... ball bearing hinges commercial door hardware door maintenance heavy-weight hinges hinges Apr 23, 2026
David Bolton Heavy-Weight Hinges and High-Frequency Doors: Why the Closer Is Not the Only Reason a Hinge Wears Out The Closer Gets Blamed. The Hinge Is the Problem. This article is for facility managers, commercial contractors, and specifiers who are dealing with doors that sag, bind, or develop excessive play ove... ball bearing hinges commercial door hardware facility maintenance heavy-weight hinges hinges Apr 23, 2026