12A15

Metric Roller Chain Sprocket

Item #100966347

14.02 mm Minimum Bore

72.09 mm Maximum Bore

+ Show More

Auto Replenish

each One-time purchase

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

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