Design Hardware BB5 NRP – 4.5″ x 4.5″ NRP Ball Bearing Hinge (Non-Removable Pin)

Usually Ships: 3-5 Business Days
  • NRP (non-removable pin) – set screw in barrel
  • .134 standard weight, ball bearing
  • Five knuckle, template hole pattern

Available Options:

Clear

Design Hardware 4-1/2 x 4-1/2 Full Mortise Five Knuckle Commercial Hinges, Standard Weight, Non-Removable Pin

The long lasting linchpin for your door

  • Ball bearing reduces friction to extend lifetime of hinge
  • For medium weight doors of average frequency use
  • More durable than standard hinges
  • Meets ANSI A 156.2 – Dimensions and tolerances conform to ANSI – A156.7
  • Design & Templating: 5 Knuckle Design & Templated hole locations for wood or metal doors & frames
  • Fire Door Use: Approved for most types of fire doors up to 4’ x 10’, 8’ x 10’ pairs – Refer to NFPA80
  • Swaging: 1/16” Swage standard which provides 1/16” of clearance between leaves
  • Security NRP: NRP – Non removable pin
Brand

Finishes

600 Prime Coat, 630 Satin Stainless Steel, 640 Oil Rubbed Bronze, 652 Satin Chrome

Hinge Type

Full Mortise

Size

4.5" x 4.5"

Knuckles

Five

Bearings

Ball Bearing

Material

Steel (ANSI A8112) or grade 304 stainless steel (ANSI A5112)

Gauge

0 .134

Usage

Medium Duty

ANSI/BHMA Standard

Meets ANSI/BHMA A156 .1

Fire Rating

Approved for most types of fire doors up to 4’ x 10’ – refer to NFPA80

Related Products

  • Trudoor Choice
    for standard hinges
    Trudoor-BB-US26D-4.5-x-4.5-Full-Mortise-Five-Knuckle-Hinge-for-Commercial-Doors

    Trudoor - BB – 4.5″ x 4.5″ Ball Bearing Hinge

    Multiple Finishes
    Starting at: $5.94
    Usage: Medium Duty
  • Trudoor Choice
    for heavyweight hinges
    trudoor-bb-hw-heavyweight-ball-bearing-hinge-4.5x4.5

    Trudoor - BB-HW-NRP – 4.5″ x 4.5″ Heavy Weight NRP Ball Bearing Hinge (Non-Removable Pin)

    Multiple Finishes
    Starting at: $15.99
    Usage: Heavy Duty
  • BEST-FBB179-4.5X4.5-652-Ball-Bearing-Hinge

    Best - (Formerly Stanley) FBB179 – 4.5″ x 4.5″ Ball Bearing Hinge

    Multiple Finishes
    Starting at: $6.98
    Usage: Medium Duty
  • hager-bb1279-nrp-4.5x4.5-full-mortise-five-knuckle-hinge-us26d-satin-chrome

    Hager - BB1279 NRP 4.5″ x 4.5″ Ball Bearing Hinge (Non-Removable Pin)

    Multiple Finishes
    Starting at: $7.77
    Usage: Medium Duty
  • Trudoor Choice
    for spring hinges
    trudoor-sph-ul-listed-fire-rated-4.5x4.5-spring-hinge-us26d-652-satin-chrome

    Trudoor - SPH – 4.5″ x 4.5″ UL Listed Spring Hinge

    Multiple Finishes
    Starting at: $12.38
    Usage: Medium Duty
  • Trudoor Choice
    for standard NRP hinges
    trudoor-bb-us26d-hinges

    Trudoor - BB-NRP – 4.5″ x 4.5″ NRP Ball Bearing Hinge (Non-Removable Pin)

    Multiple Finishes
    Starting at: $5.60
    Usage: Medium Duty
Design Hardware BB5 NRP – 4.5″ x 4.5″ NRP Ball Bearing Hinge (Non-Removable Pin)