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D12B21

MARTIN SPROCKET & GEAR CO
D12B21

Double Row Stock Bore Sprocket - 12B / 3/4 in, B Hub, 21 Teeth, Steel Material
Mi Item #00204986
MFR #D12B21
Price$367.13/each
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MARTIN SPROCKET & GEAR CO D12B21
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MARTIN SPROCKET & GEAR CO
D12B21

Double Row Stock Bore Sprocket - 12B / 3/4 in, B Hub, 21 Teeth, Steel Material
Mi Item #00204986
MFR #D12B21
Mfr description
D12B21 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
Shipping
Shipping time may vary. Motion rep will advise.
This product requires a Quote Request and may take longer to process and ship
CAD$367.13/each

MARTIN SPROCKET & GEAR CO
D12B21

Double Row Stock Bore Sprocket - 12B / 3/4 in, B Hub, 21 Teeth, Steel Material
Price$367.13/each

Specifications

Dimensions

  • Bore Diameter
    20 mm
  • Caliper Diameter
    115.751 mm
  • Chain Roller Diameter
    12.065 mm
  • Chain Roller Width
    11.68 mm
  • Hub Diameter
    100 mm
  • Hub Outside Diameter
    100 mm
  • Length Through Bore
    50 mm
  • Maximum Bore Diameter
    70 mm
  • Outside Diameter
    139.564 mm
  • Pitch Diameter
    127.8 mm
  • Root Diameter
    115.751 mm
  • Storage Dimension Height
    1.969 mm
  • Storage Dimension Length
    5.495 mm
  • Storage Dimension Width
    5.495 mm
  • Tooth Thickness
    11 mm
  • Tooth Width
    30 mm
  • Weight
    9.07 lbs

Details

  • Bore Type
    Reboreable
  • Chain / Sprocket Type
    Metric Roller Chain
  • Chain Number & Pitch
    12B / 3/4 in
  • Chain Number Pitch
    12B-2 / 19.05 mm
  • Hardened Teeth
    Non-Hardened Teeth
  • Hub Style
    B
  • Hub Type
    B
  • Manufacturer Catalog
    Click here
  • Manufacturer Upc Number
    697950401416
  • 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
    697950401416
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