12A15

Metric Roller Chain Sprocket

Item #100966347

14.02 mm Minimum Bore

72.09 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

Material	Steel
Series	A
No. of Teeth	15
No. of Strands Across	1
Length Through Bore	11.1 mm
Martin No.	12A15
Bore Range [Min]	14.02 mm
Single Strand Tooth Thickness	11.1 mm
Chain Pitch	19.05 mm
Pitch Root Diameter	79.6 mm
Bore Type	Reborable
Family Name	No. 12 - 19.050 mm Pitch - Single - A
Hub Dia.	N/A
Outside Dia. [Min]	103.37 mm
Outside Dia.	103.37 mm
Width Across Teeth	11.1 mm
Hub Length Thru	N/A
Sprocket Style	A
Bore Style	Minimum Bore
Inch/Metric	Metric
Pitch Diameter [Min]	91.6 mm
Pitch Diameter	91.6 mm
Hub Projection	N/A
Hardened Teeth	Without Hardened Teeth
Chain No.	12B, 12B-1
Caliper Diameter	79.06 mm
Bore Range [Max]	72.09 mm
Pin Diameter	12.065 mm
Root Diameter	79.6 mm
Weight	1.31 LB
EAN or UPC	697950400389