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Metric Roller Chain Sprocket

12A39

Metric Roller Chain Sprocket
Item #100966371
  • 12B-1 Chain Number
  • 1 Strand
  • 39 Teeth
  • Without Hardened Teeth
  • A Sprocket Style
  • 24.02 mm Minimum Bore
  • 218.44 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 12B-1 Chain Number
  • 1 Strand
  • 39 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. [Min] 248.49 mm
Pitch Diameter 236.7 mm
Caliper Diameter 224.49 mm
Single Strand Tooth Thickness 11.1 mm
Hub Projection N/A
Sprocket Style A
Martin No. 12A39
Length Through Bore 11.1 mm
Outside Dia. 248.49 mm
Pitch Root Diameter 224.7 mm
Bore Style Minimum Bore
Bore Type Reborable
Pin Diameter 12.065 mm
Pitch Diameter [Min] 236.7 mm
Hub Length Thru N/A
Material Steel
Chain No. 12B, 12B-1
No. of Strands Across 1
Hub Dia. N/A
Family Name No. 12 - 19.050 mm Pitch - Single - A
Bore Range [Max] 218.44 mm
Root Diameter 224.7 mm
Width Across Teeth 11.1 mm
Chain Pitch 19.05 mm
Hardened Teeth Without Hardened Teeth
Series A
Inch/Metric Metric
No. of Teeth 39
Bore Range [Min] 24.02 mm
Weight 8.53 LB
EAN or UPC 697950400860
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