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28BTB21H

MARTIN SPROCKET & GEAR CO
28BTB21H

Tapered Bushed Sprocket - Metric - Taper Lock Bushing, 28B / 1-3/4 in, 21 Teeth, 3020 Bushing, Steel Material
MI ITEM #02301086
MFR #28BTB21H
Price$1,516.82/each
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MARTIN SPROCKET & GEAR CO 28BTB21H
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MARTIN SPROCKET & GEAR CO
28BTB21H

Tapered Bushed Sprocket - Metric - Taper Lock Bushing, 28B / 1-3/4 in, 21 Teeth, 3020 Bushing, Steel Material
MI ITEM #02301086
MFR #28BTB21H
Mfr description
28BTB21H (3020) METRIC - RIM ONLY
  • A metric taper bushed sprocket is a sprocket where a tapered bushing is bolted into the taper bore that is machined in the sprocket.
  • When installed this bushing is compressed onto the shaft providing a tight grip.
  • Taper bushed sprockets have a tapered bushing bolted into a taper bore with hex head set screws instead of bolts.
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CAD$1,516.82/each

MARTIN SPROCKET & GEAR CO
28BTB21H

Tapered Bushed Sprocket - Metric - Taper Lock Bushing, 28B / 1-3/4 in, 21 Teeth, 3020 Bushing, Steel Material
Price$1,516.82/each

Specifications

Dimensions

  • Bore Diameter
    23.81 mm
  • Bushing Size
    3020
  • Caliper Diameter
    269.46 mm
  • Chain Roller Diameter
    27.94 mm
  • Chain Roller Width
    30.99 mm
  • Hub Outside Diameter
    133.35 mm
  • Hub Projection
    22.81 mm
  • Length Through Bore
    50.8 mm
  • Maximum Bore Diameter
    76.2 mm
  • Outside Diameter
    325.86 mm
  • Pitch Diameter
    298.24 mm
  • Storage Dimension Height
    2.00 mm
  • Storage Dimension Length
    12.81 mm
  • Storage Dimension Width
    12.81 mm
  • Tooth Thickness
    29.44 mm
  • Weight
    29.48 lbs
  • Width Across Tooth Sets
    29.44 mm

Details

  • Bore Type
    Bushed
  • Bushing Type
    Taper Lock Bushing
  • CAD Drawing
    Click here
  • Chain / Sprocket Type
    Metric Roller Chain
  • Chain Number & Pitch
    28B / 1-3/4 in
  • Chain Number Pitch
    28B-1 / 44.45 mm
  • Hardened Teeth
    Hardened Teeth
  • Hub Style
    TB
  • Hub Type
    B
  • Manufacturer Catalog
    Click here
  • Manufacturer Upc Number
    697950412139
  • Material
    Steel
  • Number Of Strands Across
    1
  • Number Of Teeth
    21
  • Product Type
    Bushed Roller Chain Sprockets
  • Surface Treatment
    Protective Coating
  • UPC_NO
    697950412139

Compliance & Safety Data

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