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Metric Roller Chain Sprocket

20A25

Metric Roller Chain Sprocket
Item #100966899
  • 20B-1 Chain Number
  • 1 Strand
  • 25 Teeth
  • Without Hardened Teeth
  • A Sprocket Style
  • 32.02 mm Minimum Bore
  • 223.09 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 20B-1 Chain Number
  • 1 Strand
  • 25 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
Outside Dia. 273.96 mm
Pitch Diameter 253.3 mm
Bore Range [Min] 32.02 mm
Single Strand Tooth Thickness 18.59 mm
Pitch Diameter [Min] 253.3 mm
Pitch Root Diameter 234.3 mm
Family Name No. 20 - 31.750 mm Pitch - Single - A
Series A
Chain Pitch 31.75 mm
Root Diameter 234.3 mm
Length Through Bore 18.59 mm
Pin Diameter 19.05 mm
Width Across Teeth 18.59 mm
Hardened Teeth Without Hardened Teeth
No. of Teeth 25
Outside Dia. [Min] 273.96 mm
Bore Type Reborable
Hub Projection N/A
Hub Dia. N/A
Bore Style Minimum Bore
Inch/Metric Metric
No. of Strands Across 1
Chain No. 20B, 20B-1
Material Steel
Hub Length Thru N/A
Martin No. 20A25
Bore Range [Max] 223.09 mm
Caliper Diameter 233.77 mm
Sprocket Style A
Weight 11.9 LB
EAN or UPC 697950403991
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