20A34

Metric Roller Chain Sprocket

Item #100966908

32 mm Minimum Bore

314.4 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

Hub Length Thru	N/A
Material	Steel
Hub Dia.	N/A
Bore Style	Minimum Bore
Bore Type	Reborable
Width Across Teeth	18.59 mm
Single Strand Tooth Thickness	18.59 mm
Bore Range [Max]	314.4 mm
Length Through Bore	18.59 mm
Outside Dia. [Min]	364.74 mm
Inch/Metric	Metric
Pin Diameter	19.05 mm
Outside Dia.	364.74 mm
Bore Range [Min]	32 mm
No. of Teeth	34
Martin No.	20A34
Pitch Root Diameter	325.1 mm
Pitch Diameter [Min]	344.1 mm
Hub Projection	N/A
Caliper Diameter	325.05 mm
No. of Strands Across	1
Chain Pitch	31.75 mm
Series	A
Family Name	No. 20 - 31.750 mm Pitch - Single - A
Sprocket Style	A
Chain No.	20B, 20B-1
Pitch Diameter	344.1 mm
Root Diameter	325.1 mm
Hardened Teeth	Without Hardened Teeth
Weight	28.66 LB
EAN or UPC	697950404172