Ives 3CB1 – 4.5″ x 4.5″ NRP Concealed Bearing Hinge (Non-Removable Pin)

Usually Ships: 5-10 Days
  • NRP (Non-Removable Pin) – Set Screw in Barrel
  • Made with two concealed nylon bearings
  • 3 Knuckle, Template Hole Pattern

Available Options:

  • Satin Chrome
  • Stainless Steel

3CB1 3 Knuckle, concealed bearing full mortise hinge

Non-Removable Pin also known as security hinges are used with outswinging doors with locking hardware. Typically found on exterior doors that swing outward. A set screw in the barrel prevents the removal of the hinge pin.

  • NRP = Non-Removable Pin
  • Hinges tested for cycles, weather, and environment to ensure high performance
  • Recommended for medium weight doors (<150 lbs)
  • Recommended for medium frequency usage (<400 cycles per day)
  • Made with two concealed nylon bearings
  • Recommended for use with a door closer
  • Packed with fasteners for hollow metal and wood doors
  • UL Listed (3 Hour Fire-Rated)
  • UL Classified for windstorm rated assemblies – R37965


630 Stainless Steel, 652 Satin Chrome


4.5" x 4.5"


0 .134


1040 steel or 304 series stainless steel


Medium Duty

ANSI/BHMA Standard

Certified to ANSI/BHMA A156.1 for performance standards, Meets ANSI/BHMA 156.7 for template hinge dimensions

Fire Rating

Certified to meet UL standards (3hr)

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