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Metric Roller Chain Sprocket

08A21

Metric Roller Chain Sprocket
Item #100966143
  • 08B-1 Chain Number
  • 1 Strand
  • 21 Teeth
  • Without Hardened Teeth
  • A Sprocket Style
  • 12 mm Minimum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 08B-1 Chain Number
  • 1 Strand
  • 21 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
Hardened Teeth Without Hardened Teeth
Outside Dia. 92.58 mm
Chain Pitch 12.7 mm
Pitch Root Diameter 76.7 mm
Chain No. 08B, 08B-1
Bore Style Minimum Bore
Outside Dia. [Min] 92.58 mm
No. of Strands Across 1
Inch/Metric Metric
Bore Type Reborable
Martin No. 08A21
Sprocket Style A
Caliper Diameter 10.01 mm
Width Across Teeth 5.31 mm
No. of Teeth 21
Single Strand Tooth Thickness 7.37 mm
Root Diameter 76.7 mm
Material Steel
Pitch Diameter 85.2 mm
Bore Range [Min] 12 mm
Series A
Family Name No. 08 - 12.700 mm Pitch - Single - A
Pin Diameter 8.509 mm
Hub Projection N/A
Length Through Bore 5.31 mm
Bore Range [Max] N/A
Hub Length Thru N/A
Hub Dia. N/A
Pitch Diameter [Min] 85.2 mm
Weight 0.57 LB
EAN or UPC 697950397016
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