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Hager ECBB1101 NRP 4-1/2" x 4-1/2" Stainless Steel Ball Bearing Hinge
The Hager ECBB1101 NRP is a premium, non-ferrous ball bearing hinge designed for maximum longevity in demanding environments. Constructed from high-quality stainless steel, this full mortise hinge is the ideal solution for medium-weight doors in coastal areas, medical facilities, or high-moisture commercial settings. It combines architectural elegance with the industrial strength required for low-frequency service openings.
Maximum Security with Non-Removable Pin (NRP)
For outward-swinging doors, security is a top priority. The NRP (Non-Removable Pin) feature provides an essential layer of protection by utilizing a hidden set screw within the hinge barrel. This prevents intruders from tapping out the hinge pin from the exterior, effectively securing the door against forced entry through hinge manipulation. The Hager ECBB1101 NRP offers the ultimate peace of mind for secure exterior door installations.
Superior Corrosion Resistance: Type 304L & 316
Standard stainless steel hinges utilize Type 304L grade, which offers excellent protection against rust. However, for extreme environments—such as marine applications or heavy industrial zones—this hinge is also available in Type 316 grade stainless steel. Type 316 provides superior resistance to chlorides and salt spray, making it the most durable choice for high-corrosive areas.
Technical Specifications
| Feature | Specification |
| Model Number | Hager ECBB1101 NRP |
| Hinge Size | 4-1/2" x 4-1/2" (114mm x 114mm) |
| Hinge Type | Full Mortise - Ball Bearing |
| Material | Stainless Steel (Type 304L Standard; Type 316 Available) |
| Gauge (Thickness) | 0.134" |
| Bearing Count | Two Ball Bearings |
| Security Feature | Non-Removable Pin (NRP) |
| Door Thickness | For 1-3/4" (44mm) Doors |
| Standards | ANSI A5112 (Stainless Steel) / ANSI A2112 (Brass) |
| Pin Style | Non-rising removable pin with button tip and plug |
Installation and Fasteners
Every Hager stainless steel hinge is furnished with a complete set of matching fasteners to ensure a professional, secure fit:
- Machine Screws: (8 ea) 1/2" 12-24 FPHM (Ideal for metal frames/doors)
- Wood Screws: (4 ea) 1-1/4" x 12 FPHW (For wood door/frame applications)
Finish Options
The US32D (Satin Stainless Steel) finish is the stock standard for its clean look and durability. Additional finishes available by quote include:
- Satin Chrome (US26D)
- Bright Chrome (US26)
- Satin Nickel (US15)
| General - US Finishes | US32D - Satin Stainless Steel/ 630 or US32D - Type 316 Stainless Steel |
| Brand | Hager |
| Hinge Height | 4.5" Hi |
| Hinge Width | 4.5" Wi |
| Hinge Grade/Thickness | Standard Wt .119 to .146 |
| Hinge Type | Full Mortise |
| Hinge Options | Ball Bearing, NRP (Non Removable Pin) |
| Base Material | Stainless Steel |
| Hinge Corners | Square |
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