Martin

Martin 240B12 Type B Single Strand Welded Reboreable Roller Chain Sprocket, 1-1/2 to 5-3/8 in Dia Bore, 12.996 in OD, #240 Chain, 12 Teeth, 3 in Pitch, Steel

240B12-MAR MFG #: 240B12
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Non-Stock Item
Martin 240B12 Type B Single Strand Welded Reboreable Roller Chain Sprocket, 1-1/2 to 5-3/8 in Dia Bore, 12.996 in OD, #240 Chain, 12 Teeth, 3 in Pitch, Steel
  • Bore Diameter: 1-1/2 to 5-3/8 in
  • Chain Size: #240
  • Country of Origin: US
  • Hub Diameter: 7-1/2 in
  • Length Through Bore: 3-7/8 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 12
  • Outside Diameter: 12.996 in
  • Pitch: 3 in
  • Pitch Diameter: 11.5911 in
  • Type: Type B Single Strand Welded Reboreable
B Style sprockets are flat sprockets with a hub extension welded on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, setscrews and hardened teeth are quick alterations that can be made.
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  • Item Features
  • Standards
  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out
  • https://www.youtube.com/watch?v=fSomOMNB_-Q
ANSI Specified|B29.1 - 1975