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

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