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

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