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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
Inch/Metric Inch
Length Through Bore 1.625 in
Chain No. 821
Outside Dia. 5.12 in
Chain Strands 1
Chain Duty Single
Material Cast Iron
Bore Style Reborable
No. of Teeth 21
Pitch Diameter [Min] 5.089 in
Bore Type Reborable
Hardened Teeth Without Hardened Teeth
Effective No. of Teeth 10 1/2
Width Across Teeth 3.125 in
Outside Dia. [Min] 5.12 in
Sprocket Style A
Pitch Diameter 5.089 in
Bore Range [Min] 1 in
Chain Style Straight Running
Bore Range [Max] 1.75 in
Weight 6.09 LB
EAN or UPC 697950175379
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