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Metric Roller Chain Sprocket

12A57

Metric Roller Chain Sprocket
Item #100966383
  • 12B-1 Chain Number
  • 1 Strand
  • 57 Teeth
  • Without Hardened Teeth
  • A Sprocket Style
  • 32.02 mm Minimum Bore
  • 327.75 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 12B-1 Chain Number
  • 1 Strand
  • 57 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
Bore Type Reborable
Hardened Teeth Without Hardened Teeth
Chain Pitch 19.05 mm
Pitch Diameter 345.8 mm
Family Name No. 12 - 19.050 mm Pitch - Single - A
Material Steel
Bore Range [Min] 32.02 mm
Hub Projection N/A
Martin No. 12A57
Root Diameter 333.7 mm
Chain No. 12B, 12B-1
No. of Teeth 57
Inch/Metric Metric
Hub Dia. N/A
No. of Strands Across 1
Sprocket Style A
Outside Dia. [Min] 357.56 mm
Bore Style Minimum Bore
Outside Dia. 357.56 mm
Pitch Root Diameter 333.7 mm
Bore Range [Max] 327.75 mm
Caliper Diameter 333.62 mm
Width Across Teeth 11.1 mm
Single Strand Tooth Thickness 11.1 mm
Hub Length Thru N/A
Length Through Bore 11.1 mm
Pin Diameter 12.065 mm
Series A
Pitch Diameter [Min] 345.8 mm
Weight 16.37 LB
EAN or UPC 697950401102
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