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12B21

Martin 12B21 Type B Single Strand Solid Stock Bore Roller Chain Sprocket, 20 to 64 mm Dia Bore, 139.564 mm OD, #12B-1 Chain, 21 Teeth, 19.05 mm Pitch, Steel

  • Item#: 12B21
  • Mfr#: 12B21
  • UPC: 697950400495
    • Without hardened teeth
    • Precise machining and processes ensure consistent finish and high quality
    • Bores are concentric to pitch line, minimizing run out
    • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
  • Min. Order Qty: 1
  • Qty. Interval: 1
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DESCRIPTION

Metric B style sprockets are flat sprockets with a hub extension on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and harden teeth are quick alterations that can be made.

Martin Roller Chain Sprocket, Type B Single Strand Solid Stock Bore, 20 to 64 mm Bore, 139.564 mm OD, #12B-1 Chain, 21 Teeth, 19.05 mm Pitch, 127.816 mm Pitch Diameter, 100 mm Diameter Hub, 40 mm Length Through Bore, Steel

SPECIFICATIONS

Bore Diameter      :      20 to 64 mm
Outside Diameter      :      139.564 mm
Chain Size      :      #12B-1
Number of Teeth      :      21
Pitch      :      19.05 mm
Material      :      Steel
Type      :      Type B Single Strand Solid Stock Bore
Pitch Diameter      :      127.816 mm
Hub Diameter      :      100 mm
Length Through Bore      :      40 mm

DOCUMENTS

  • pdf
    Manual
    https://www.purvisindustries.com//ASSETS/DOCUMENTS/ITEMS/EN/Martin_2060B19_User_Manual.pdf
  • pdf
    Catalog
    https://www.purvisindustries.com//ASSETS/DOCUMENTS/ITEMS/EN/Martin_D06B114_Catalog.pdf
  • pdf
    Specification Sheet
    https://www.purvisindustries.com//ASSETS/DOCUMENTS/ITEMS/EN/Martin_D06B114_Specification_Sheet.pdf
  • video VIDEO LINK https://www.youtube.com/watch?v=fSomOMNB_-Q