Buying guide
Commercial door hinges: sizes, bearings and security pins
A commercial hinge is specified by size, weight class and whether the opening is exterior outswing.
The short answer
Commercial door hinges
A commercial hinge is specified by size, weight class and whether the opening is exterior outswing. Ball bearing hinges are the commercial standard because plain bearing hinges wear out under a door closer.
How to choose
What actually decides the part number
SizeCommonly 4.5 by 4.5 inches on standard commercial doors. Size follows door thickness and width.
BearingsBall bearing hinges carry the load a door closer puts on an opening. A plain bearing hinge under a closer squeaks, then sags.
NRPNon removable pin hinges stop the pin being driven out from the unsecured side, which matters on any exterior outswing door.
Continuous gearedA geared continuous hinge spreads load along the full height of the door and is the answer to a door that has already sagged, or to a very high traffic opening. It is usually factory order with a real lead time.
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You do not need a part number. Send a photo of the hardware and the door it sits on, plus the ship-to zip code, and we will identify it and quote it the same business day.