PBB BB51-4545 4-1/2 x 4-1/2 Standard Weight Ball Bearing Hinges, Five Knuckle, Stainless Steel

PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI).

Hinge Swaging: A standard swaging of our standard weight full mortise hinge when closed to parallel position provides a 1/16” clearance between leaves.

  • For use on medium weight doors or doors requiring average frequency service
  • Ball bearing hinges must be used on doors in conjuction with door closers and on all fire rated openings
  • All hinges are ANSI template
Brand

Finishes

US32D (630) Satin Stainless Steel

Hinge Type

Full Mortise

Size

4.5" x 4.5"

Knuckles

Five

Bearings

Ball Bearing

Material

Stainless Steel

Gauge

0 .134

Usage

Medium Duty

ANSI/BHMA Standard

Meets ANSI/BHMA A156 .1

BB51 4.5″ x 4.5″ Ball Bearing Hinge
PBB BB51 4.5″ x 4.5″ Ball Bearing Hinge