E12B17

Metric Roller Chain Sprocket

Item #100966828

20 mm Minimum Bore

58 mm Maximum Bore

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Product Details

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.

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

Specifications

Pitch Diameter [Min]	103.7 mm
Bore Range [Max]	58 mm
Bore Style	Minimum Bore
Martin No.	12B17
Chain No.	12B, 12B-3
Hub Dia.	83.01 mm
Pin Diameter	12.065 mm
Caliper Diameter	91.17 mm
No. of Teeth	17
Single Strand Tooth Thickness	10.87 mm
Hub Length Thru	59.13 mm
Length Through Bore	70 mm
Width Across Teeth	49.78 mm
Outside Dia.	115.42 mm
Bore Type	Reborable
Pitch Root Diameter	91.6 mm
Family Name	No. 12 - 19.050 mm Pitch - Triple - Type B & C
Material	Steel
Bore Range [Min]	20 mm
Chain Pitch	19.05 mm
Hardened Teeth	Without Hardened Teeth
Inch/Metric	Metric
Root Diameter	91.6 mm
Outside Dia. [Min]	115.42 mm
Pitch Diameter	103.7 mm
Sprocket Style	B
Series	B
No. of Strands Across	3
Weight	7.76 LB
EAN or UPC	697950401720