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Metric Roller Chain Sprocket

20B23

Metric Roller Chain Sprocket
Item #100966959
  • 20B-1 Chain Number
  • 1 Strand
  • 23 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 32 mm Minimum Bore
  • 80 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 20B-1 Chain Number
  • 1 Strand
  • 23 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

  • 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
Bore Type Reborable
Martin No. 20B23
Family Name No. 20 - 31.750 mm Pitch - Single - Type B & C
Inch/Metric Metric
No. of Teeth 23
Series B
Pitch Diameter [Min] 233.2 mm
Width Across Teeth 18.59 mm
Hub Dia. 114 mm
Hardened Teeth Without Hardened Teeth
Caliper Diameter 213.58 mm
No. of Strands Across 1
Pin Diameter 19.05 mm
Pitch Root Diameter 214.1 mm
Bore Style Minimum Bore
Chain Pitch 31.75 mm
Single Strand Tooth Thickness 18.59 mm
Hub Length Thru 32.41 mm
Bore Range [Min] 32 mm
Material Steel
Chain No. 20B, 20B-1
Root Diameter 214.1 mm
Outside Dia. 253.81 mm
Bore Range [Max] 80 mm
Outside Dia. [Min] 253.81 mm
Length Through Bore 51 mm
Pitch Diameter 233.2 mm
Sprocket Style B
Weight 17.99 LB
EAN or UPC 697950403946
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