Heavy‑Weight Ball‑Bearing Door Hinge
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Heavy‑Weight Ball‑Bearing Door Hinge | 2BB | UL10C 3‑Hour Fire Rated | ANSI/BHMA Grade 1 | NRP Optional
- Heavy‑weight leaves, approx. 4.6 mm thickness
- 2 ball bearings for low‑friction swing and long service life
- Non‑rising pins with button tip and plug; optional NRP for added security
- ANSI/BHMA A156.1 Grade 1; life tested up to 2,500,000 cycles
- UL10C fire‑rated up to 3 hours for fire/smoke control doors
- Square‑corner heavy‑weight template; non‑handed; machine/wood screws included
- Materials/finishes: stainless steel or steel with multiple finish options
Description
Built for demanding commercial openings, this heavy‑weight 2‑ball‑bearing hinge delivers smooth, durable performance on high‑traffic and fire‑rated doors. The square‑corner heavy‑weight template pattern speeds installation on standard preps, while non‑rising pins maintain alignment over millions of cycles. An optional Non‑Removable Pin (NRP) enhances security by preventing pin extraction from the secure side—ideal for schools, hospitals, hospitality, and corridor fire doors. Available in stainless steel or steel and common sizes 4.5″×4″ and 4.5″×4.5″, it meets ANSI/BHMA A156.1 Grade 1 life testing up to 2,500,000 cycles and carries a UL10C fire rating up to 3 hours.
| Hinge Type | Ball Bearing Heavy Weight |
|---|---|
| Hinge Size (Length X Width) (inch) | 4.5″x4″, 4.5″x4.5″ |
| Hinge Thickness | 4.6mm |
| Material | Stainless Steel / steel optional |
| Bearings | 2 ball bearing hinges |
| ANSI/BHMA Standard | Meets ANSI/BHMA A156.1 GRADE 1, up to 2,500,000 times cycle test |
| Usage | For heavy weight doors or doors requiring high frequency service, fire and smoke resistance doors |
| Fire Resistance | UL10C, Approved up to 3 hours |
| Pins | All hinges with non-rising pins with button tip and plug |
| Installed Way | Square Corner, Heavy Weight template hinge, non-handed |
| Non Removable Pin Type Optional |
Non removable pin (NRP) allows the hinge to not be removed from the outside of the door for increased security |
| Finishes | Available in multiple finishes |
| Screws | Supplied with machine/wood screws |
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