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Metric Roller Chain Sprocket

D28B30

Metric Roller Chain Sprocket
Item #100967428
  • 28B-2 Chain Number
  • 2 Strands
  • 30 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 40 mm Minimum Bore
  • 126 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 28B-2 Chain Number
  • 2 Strands
  • 30 Teeth
  • Without Hardened Teeth
  • B Sprocket Style

description

  • Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

features

  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out
  • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Inch/Metric Metric
Width Across Teeth 88.39 mm
No. of Teeth 30
Pin Diameter 27.94 mm
Caliper Diameter 397.3 mm
Single Strand Tooth Thickness 28.83 mm
Chain No. 28B, 28B-2
Family Name No. 28 - 44.450 mm Pitch - Double - Type B & C
Pitch Diameter [Min] 425.2 mm
Outside Dia. [Min] 452.87 mm
Sprocket Style B
Bore Range [Max] 126 mm
Outside Dia. 452.87 mm
Hardened Teeth Without Hardened Teeth
Series B
Hub Dia. 178 mm
Bore Type Reborable
Martin No. 28B30
Material Steel
Root Diameter 397.3 mm
Pitch Diameter 425.2 mm
Hub Length Thru 120 mm
Length Through Bore 119.99 mm
Bore Style Minimum Bore
Pitch Root Diameter 397.3 mm
No. of Strands Across 2
Chain Pitch 44.45 mm
Bore Range [Min] 40 mm
Weight 196.56 LB
EAN or UPC 697950407333
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