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Metric Roller Chain Sprocket

20A27

Metric Roller Chain Sprocket
Item #100966901
  • 20B-1 Chain Number
  • 1 Strand
  • 27 Teeth
  • Without Hardened Teeth
  • A Sprocket Style
  • 32.02 mm Minimum Bore
  • 243.4 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 20B-1 Chain Number
  • 1 Strand
  • 27 Teeth
  • Without Hardened Teeth
  • A 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

  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out
  • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
No. of Strands Across 1
Sprocket Style A
Hub Dia. N/A
Single Strand Tooth Thickness 18.59 mm
Chain Pitch 31.75 mm
Caliper Diameter 253.98 mm
Length Through Bore 18.59 mm
Pin Diameter 19.05 mm
Width Across Teeth 18.59 mm
Chain No. 20B, 20B-1
Material Steel
Martin No. 20A27
Pitch Diameter [Min] 273.5 mm
Hub Length Thru N/A
Bore Range [Min] 32.02 mm
Pitch Root Diameter 254.4 mm
Bore Type Reborable
Outside Dia. [Min] 294.13 mm
Bore Range [Max] 243.4 mm
Pitch Diameter 273.5 mm
Series A
Bore Style Minimum Bore
Hardened Teeth Without Hardened Teeth
Hub Projection N/A
Inch/Metric Metric
Outside Dia. 294.13 mm
Family Name No. 20 - 31.750 mm Pitch - Single - A
No. of Teeth 27
Root Diameter 254.4 mm
Weight 11.5 LB
EAN or UPC 697950404035
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