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Metric Roller Chain Sprocket

12A42

Metric Roller Chain Sprocket
Item #100966374
  • 12B-1 Chain Number
  • 1 Strand
  • 42 Teeth
  • Without Hardened Teeth
  • A Sprocket Style
  • 24.02 mm Minimum Bore
  • 236.67 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 12B-1 Chain Number
  • 1 Strand
  • 42 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

  • 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
  • Manufactured of high carbon steel
No. of Teeth 42
Material Steel
Hardened Teeth Without Hardened Teeth
Pin Diameter 12.065 mm
Bore Range [Min] 24.02 mm
Bore Style Minimum Bore
No. of Strands Across 1
Chain No. 12B, 12B-1
Caliper Diameter 242.85 mm
Bore Type Reborable
Martin No. 12A42
Family Name No. 12 - 19.050 mm Pitch - Single - A
Chain Pitch 19.05 mm
Pitch Diameter 254.9 mm
Hub Dia. N/A
Hub Length Thru N/A
Bore Range [Max] 236.67 mm
Hub Projection N/A
Sprocket Style A
Outside Dia. 266.66 mm
Outside Dia. [Min] 266.66 mm
Width Across Teeth 11.1 mm
Inch/Metric Metric
Root Diameter 242.9 mm
Pitch Diameter [Min] 254.9 mm
Pitch Root Diameter 242.9 mm
Single Strand Tooth Thickness 11.1 mm
Length Through Bore 11.1 mm
Series A
Weight 8.81 LB
EAN or UPC 697950400921
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