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