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Martin821A21

821A21

Reborable Tabletop Sprocket
Item #100801765
  • 821 Chain Number
  • 21 Teeth
  • Without Hardened Teeth
  • 1 Strand
  • 1.625 in Length Through Bore
  • 1 in Minimum Bore
  • 1.75 in Maximum Bore
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Martin821A21
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    Shipment Options
  • 821 Chain Number
  • 21 Teeth
  • Without Hardened Teeth
  • 1 Strand
  • 1.625 in Length Through Bore

features

  • To be used with table top chains
  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out
Width Across Teeth 3.125 in
Hardened Teeth Without Hardened Teeth
Bore Type Reborable
Chain Style Straight Running
Chain No. 821
Sprocket Style A
Pitch Diameter [Min] 5.089 in
Inch/Metric Inch
Bore Range [Min] 1 in
Effective No. of Teeth 10 1/2
No. of Teeth 21
Chain Strands 1
Chain Duty Single
Bore Style Reborable
Length Through Bore 1.625 in
Pitch Diameter 5.089 in
Outside Dia. [Min] 5.12 in
Material Cast Iron
Outside Dia. 5.12 in
Bore Range [Max] 1.75 in
Weight 6.09 LB
EAN or UPC 697950175379
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