12A17

Metric Roller Chain Sprocket

Item #100966349

14.02 mm Minimum Bore

84.37 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

Hardened Teeth	Without Hardened Teeth
Root Diameter	91.6 mm
Pitch Root Diameter	91.6 mm
Bore Type	Reborable
Length Through Bore	11.1 mm
Bore Style	Minimum Bore
Hub Projection	N/A
Bore Range [Min]	14.02 mm
Pin Diameter	12.065 mm
Pitch Diameter	103.7 mm
Inch/Metric	Metric
Chain No.	12B, 12B-1
Outside Dia. [Min]	115.42 mm
Martin No.	12A17
Chain Pitch	19.05 mm
Caliper Diameter	91.17 mm
Material	Steel
Hub Length Thru	N/A
Bore Range [Max]	84.37 mm
Single Strand Tooth Thickness	11.1 mm
Width Across Teeth	11.1 mm
No. of Teeth	17
Hub Dia.	N/A
Pitch Diameter [Min]	103.7 mm
Family Name	No. 12 - 19.050 mm Pitch - Single - A
No. of Strands Across	1
Sprocket Style	A
Series	A
Outside Dia.	115.42 mm
Weight	1.71 LB
EAN or UPC	697950400426