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40B20 Roller Chain Sprockets

ANSI 40B20 Sprockets are designed with 20 teeth and utilize 40 roller chain. Being manufactured in accordance with ANSI B29.1 standards these sprockets directly interchange with other brands. These 40B20 sprockets have hardened teeth, so they also go by 40B20H sprockets, hardened teeth increase performance, durability, and overall working life.

40B20H Sprocket Sizes

Additional custom and metric bore sizes available from our in-house machine shop!

40B20 Sprocket Specifications

  • Sprocket Size: 40B20
  • Outside Diameter: 3.460"
  • Hub Type: B
  • Hub Diameter: 2-5/8"
  • Length Through Bore: 1"
  • Weight: 1.56 LBS
  • Common Interchanges: 40BS20H, H40BS20, 40BS20-FB

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