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D08B21

MARTIN SPROCKET & GEAR CO
D08B21

Double Row Stock Bore Sprocket - 08B / 1/2 in, B Hub, 21 Teeth, Steel Material
Mi Item #00204778
MFR #D08B21
Price$129.89/each
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MARTIN SPROCKET & GEAR CO D08B21
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MARTIN SPROCKET & GEAR CO
D08B21

Double Row Stock Bore Sprocket - 08B / 1/2 in, B Hub, 21 Teeth, Steel Material
Mi Item #00204778
MFR #D08B21
Mfr description
D08B21 SPK ROLLER DOUBLE B MET
  • Martin metric double strand solid construction sprockets have proper spacing between chain rows.
  • The sprockets are manufactured from high carbon steel.
  • Martin does not stack “A” plates on multiples, but instead Martin machines teeth after the chain rows are already in place.
In StockFactory Order
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USD$129.89/each

MARTIN SPROCKET & GEAR CO
D08B21

Double Row Stock Bore Sprocket - 08B / 1/2 in, B Hub, 21 Teeth, Steel Material
Price$129.89/each

Specifications

Dimensions

  • Bore Diameter
    16 mm
  • Caliper Diameter
    76.702 mm
  • Chain Roller Diameter
    8.509 mm
  • Chain Roller Width
    7.75 mm
  • Hub Diameter
    70 mm
  • Hub Outside Diameter
    70 mm
  • Length Through Bore
    40 mm
  • Maximum Bore Diameter
    48 mm
  • Outside Diameter
    92.577 mm
  • Pitch Diameter
    85.2 mm
  • Root Diameter
    76.702 mm
  • Storage Dimension Height
    1.575 mm
  • Storage Dimension Length
    3.645 mm
  • Storage Dimension Width
    3.645 mm
  • Tooth Thickness
    7 mm
  • Tooth Width
    21 mm
  • Weight
    3.02 lbs

Details

  • Bore Type
    Reboreable
  • CAD Drawing
    Click here
  • Chain / Sprocket Type
    Metric Roller Chain
  • Chain Number & Pitch
    08B / 1/2 in
  • Chain Number Pitch
    08B-2 / 12.7 mm
  • Hardened Teeth
    Non-Hardened Teeth
  • Hub Style
    B
  • Hub Type
    B
  • Manufacturer Catalog
    Click here
  • Manufacturer Upc Number
    697950397818
  • Material
    Steel
  • Number Of Hubs
    1
  • Number Of Strands Across
    2
  • Number Of Teeth
    21
  • Pitch Type
    Single
  • Product Type
    Stock Bore Sprockets
  • Surface Treatment
    Protective Coating
  • UPC_NO
    697950397818
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