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PBB Commercial Grade Ball Bearing Hinge (BB81) 4.5 X 4.5

PBB Hinges

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BB81 Hinges are full Mortised Architectural five knuckle with a four ball bearing hinge that are intended to be used in heavy duty applications where doors see high frequency usage. Available in a variety of finishes, which allow you to match your e
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PBB, Inc. is a World Class architectural hinge manufacturer that takes pride in providing and maintaining high quality products that meet or exceed any standards in the field.  PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI).

Additional Option: Non-Removable Pin (NRP) feature is used in applications where you have an out swinging door where the hinge is exposed and you want to protect against unwanted entry.


PBB BB81 Ball Bearing type hinges mused be used in conjuction with Door Closers and all Fire Rated openings.

The PBB BB81 Hinge is a replacement Hinge for the Following Manufactures Hinges:

  • Replaces Hager BB1279
  • Replaces McKinney TB2714
  • Replaces Stanley FBB179
  • Replaces Bommer BB5000