Martin 40B31 Type B Single Strand Welded Reboreable Roller Chain Sprocket, 5/8 to 2-1/4 in Dia Bore, 5.217 in OD, #40 Chain, 31 Teeth, 1/2 in Pitch, Steel

40B31-MAR MFG #: 40B31
Requires Quote
Non-Stock Item
  • Bore Diameter: 5/8 to 2-1/4 in
  • Chain Size: #40
  • Country of Origin: US
  • Hub Diameter: 3-1/4 in
  • Length Through Bore: 1 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 31
  • Outside Diameter: 5.217 in
  • Pitch: 1/2 in
  • Pitch Diameter: 4.9423 in
  • Request For Quote: Yes
  • 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.
  • 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