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Metric Roller Chain Sprocket

D20C57

Metric Roller Chain Sprocket
Item #100967375
  • 20B-2 Chain Number
  • 2 Strands
  • 57 Teeth
  • Without Hardened Teeth
  • C Sprocket Style
  • 40 mm Minimum Bore
  • 134 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 20B-2 Chain Number
  • 2 Strands
  • 57 Teeth
  • Without Hardened Teeth
  • C 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
Chain No. 20B, 20B-2
Pitch Root Diameter 557.3 mm
Width Across Teeth 54.64 mm
Hub Dia. 190.98 mm
Outside Dia. [Min] 596.99 mm
Root Diameter 557.3 mm
Caliper Diameter 557.08 mm
Martin No. 20C57
Inch/Metric Metric
Pin Diameter 19.05 mm
Single Strand Tooth Thickness 18.19 mm
Hardened Teeth Without Hardened Teeth
Bore Style Minimum Bore
Bore Range [Max] 134 mm
Bore Range [Min] 40 mm
Hub Length Thru 108.81 mm
Outside Dia. 596.99 mm
Material Steel
No. of Strands Across 2
Bore Type Reborable
Family Name No. 20 - 31.750 mm Pitch - Double - Type B & C
Length Through Bore 127 mm
Sprocket Style C
Pitch Diameter [Min] 576.4 mm
Pitch Diameter 576.4 mm
Chain Pitch 31.75 mm
No. of Teeth 57
Series C
Weight 141.31 LB
EAN or UPC 697950405148
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