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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
No. of Teeth 40
Caliper Diameter 385.62 mm
Chain Pitch 31.75 mm
Hub Dia. 127 mm
Width Across Teeth 18.59 mm
Outside Dia. 425.31 mm
Inch/Metric Metric
Series B
Pitch Diameter [Min] 404.7 mm
No. of Strands Across 1
Chain No. 20B, 20B-1
Pin Diameter 19.05 mm
Bore Range [Max] 86 mm
Root Diameter 385.6 mm
Martin No. 20B40
Material Steel
Hub Length Thru 64 mm
Length Through Bore 64.01 mm
Sprocket Style B
Bore Range [Min] 31.72 mm
Bore Type Reborable
Hardened Teeth Without Hardened Teeth
Single Strand Tooth Thickness 18.59 mm
Family Name No. 20 - 31.750 mm Pitch - Single - Type B & C
Pitch Root Diameter 385.6 mm
Pitch Diameter 404.7 mm
Outside Dia. [Min] 425.31 mm
Bore Style Minimum Bore
Weight 46.89 LB
EAN or UPC 697950404288
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