12A34

Metric Roller Chain Sprocket

Item #100966366

19.02 mm Minimum Bore

188.05 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.

Bores are concentric to pitch line, minimizing run out
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Manufactured of high carbon steel

Specifications

Outside Dia. [Min]	218.21 mm
Hub Length Thru	N/A
Chain No.	12B, 12B-1
Width Across Teeth	11.1 mm
Root Diameter	194.4 mm
Caliper Diameter	194.4 mm
Bore Range [Min]	19.02 mm
Sprocket Style	A
Pin Diameter	12.065 mm
Material	Steel
Pitch Diameter	206.5 mm
Chain Pitch	19.05 mm
Bore Type	Reborable
Outside Dia.	218.21 mm
Bore Range [Max]	188.05 mm
Single Strand Tooth Thickness	11.1 mm
Pitch Diameter [Min]	206.5 mm
No. of Teeth	34
Length Through Bore	11.1 mm
Bore Style	Minimum Bore
Series	A
Family Name	No. 12 - 19.050 mm Pitch - Single - A
Hub Dia.	N/A
No. of Strands Across	1
Hub Projection	N/A
Inch/Metric	Metric
Pitch Root Diameter	194.4 mm
Martin No.	12A34
Hardened Teeth	Without Hardened Teeth
Weight	7.56 LB
EAN or UPC	697950400761