12A76

Metric Roller Chain Sprocket

Item #100966388

32.02 mm Minimum Bore

443.05 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

No. of Strands Across	1
Sprocket Style	A
Hardened Teeth	Without Hardened Teeth
Caliper Diameter	448.92 mm
Pitch Diameter	461 mm
Root Diameter	448.9 mm
Martin No.	12A76
Inch/Metric	Metric
Hub Projection	N/A
Chain No.	12B, 12B-1
No. of Teeth	76
Family Name	No. 12 - 19.050 mm Pitch - Single - A
Pin Diameter	12.065 mm
Hub Length Thru	N/A
Outside Dia.	472.73 mm
Length Through Bore	11.1 mm
Bore Style	Minimum Bore
Bore Range [Max]	443.05 mm
Outside Dia. [Min]	472.73 mm
Bore Type	Reborable
Series	A
Bore Range [Min]	32.02 mm
Width Across Teeth	11.1 mm
Material	Steel
Pitch Diameter [Min]	461 mm
Hub Dia.	N/A
Pitch Root Diameter	448.9 mm
Single Strand Tooth Thickness	11.1 mm
Chain Pitch	19.05 mm
Weight	32.58 LB
EAN or UPC	697950401201