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Metric Roller Chain Sprocket

E12B30

Metric Roller Chain Sprocket
Item #100966841
  • 12B-3 Chain Number
  • 3 Strands
  • 30 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 20 mm Minimum Bore
  • 84 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 12B-3 Chain Number
  • 3 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
Hardened Teeth Without Hardened Teeth
Bore Type Reborable
Pitch Root Diameter 170.2 mm
Outside Dia. 193.99 mm
No. of Strands Across 3
Chain Pitch 19.05 mm
Caliper Diameter 170.18 mm
No. of Teeth 30
Inch/Metric Metric
Sprocket Style B
Family Name No. 12 - 19.050 mm Pitch - Triple - Type B & C
Single Strand Tooth Thickness 10.87 mm
Chain No. 12B, 12B-3
Outside Dia. [Min] 193.99 mm
Root Diameter 170.2 mm
Bore Range [Min] 20 mm
Hub Dia. 119.99 mm
Series B
Pitch Diameter [Min] 182.2 mm
Bore Range [Max] 84 mm
Pin Diameter 12.065 mm
Pitch Diameter 182.2 mm
Hub Length Thru 59.13 mm
Length Through Bore 70 mm
Bore Style Minimum Bore
Martin No. 12B30
Material Steel
Width Across Teeth 49.78 mm
Weight 23.4 LB
EAN or UPC 697950401850
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