BH45NRPSS45 Heavy‑Duty Ball Bearing Door Hinge – 4‑½″ × 4‑½″

Engineered for reliability and long-term performance, the BH45NRPSS45 is a premium-grade hinge designed for high-traffic, heavy-duty door systems in commercial, institutional, and architectural settings.

Key Features:

• ANSI/BHMA Grade 1 Certified: Rigorously tested to over 2.5 million cycles, ensuring unmatched durability and longevity in demanding environments.

• Ball Bearing Mechanism: Integrated double ball bearings in a five-knuckle design provide ultra-smooth door swing and reduce hinge wear over time.

• Non‑Rising Removable Pin (NRP): Features a secure button-tip plug and bottom-tip hole for easy pin removal, ideal for applications requiring quick access without compromising safety.

• Fire-Rated & UL‑Listed: Rated for up to 3 hours of fire resistance (UL 10C), meeting critical life safety and egress requirements.

• Stainless Steel Construction: Manufactured in SS 201, SS 304, or SS 316 for superior corrosion resistance and structural integrity.

• Finish Options: Available in satin stainless, polished stainless, polished brass, chrome (satin or polished), antique brass, antique copper, and matte black (PVD) to suit any architectural style.

• Full Mortise, Square Corner Design: Complies with ANSI A156.7 standards and fits standard template configurations for flush installations on wood or metal doors.

• Comprehensive Hardware Kit: Includes machine screws and half-wood screws for versatile installation across door frame types.

Ideal Applications:

• Commercial buildings with high door usage

• Fire-rated egress doors in hospitals, schools, and institutions

• Heavy wood or metal doors in secure or high-traffic zones