12A23

Metric Roller Chain Sprocket

Item #100966355

16.01 mm Minimum Bore

121.06 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

Length Through Bore	11.1 mm
Hub Projection	N/A
Material	Steel
Bore Range [Min]	16.01 mm
Width Across Teeth	11.1 mm
Family Name	No. 12 - 19.050 mm Pitch - Single - A
Root Diameter	127.8 mm
Inch/Metric	Metric
Single Strand Tooth Thickness	11.1 mm
Bore Style	Minimum Bore
Martin No.	12A23
Pin Diameter	12.065 mm
Caliper Diameter	127.51 mm
Sprocket Style	A
Outside Dia. [Min]	151.65 mm
Hardened Teeth	Without Hardened Teeth
Bore Range [Max]	121.06 mm
No. of Teeth	23
No. of Strands Across	1
Series	A
Hub Dia.	N/A
Bore Type	Reborable
Pitch Diameter	139.9 mm
Pitch Root Diameter	127.8 mm
Pitch Diameter [Min]	139.9 mm
Chain No.	12B, 12B-1
Hub Length Thru	N/A
Outside Dia.	151.65 mm
Chain Pitch	19.05 mm
Weight	3.02 LB
EAN or UPC	697950400549