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Metric Roller Chain Sprocket

20B40

Metric Roller Chain Sprocket
Item #100966976
  • 20B-1 Chain Number
  • 1 Strand
  • 40 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 31.72 mm Minimum Bore
  • 86 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 20B-1 Chain Number
  • 1 Strand
  • 40 Teeth
  • Without Hardened Teeth
  • B Sprocket Style

description

  • Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

features

  • Bores are concentric to pitch line, minimizing run out
  • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
Pitch Diameter 404.7 mm
Outside Dia. 425.31 mm
Pitch Diameter [Min] 404.7 mm
Martin No. 20B40
Caliper Diameter 385.62 mm
Bore Type Reborable
Length Through Bore 64.01 mm
No. of Teeth 40
Hub Dia. 127 mm
Inch/Metric Metric
Sprocket Style B
Hub Length Thru 64 mm
Material Steel
Chain Pitch 31.75 mm
Pin Diameter 19.05 mm
Chain No. 20B, 20B-1
Series B
Bore Style Minimum Bore
Bore Range [Max] 86 mm
Root Diameter 385.6 mm
Family Name No. 20 - 31.750 mm Pitch - Single - Type B & C
Single Strand Tooth Thickness 18.59 mm
Bore Range [Min] 31.72 mm
Pitch Root Diameter 385.6 mm
Hardened Teeth Without Hardened Teeth
Width Across Teeth 18.59 mm
Outside Dia. [Min] 425.31 mm
No. of Strands Across 1
Weight 46.89 LB
EAN or UPC 697950404288
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