20A23

Metric Roller Chain Sprocket

Item #100966897

32.02 mm Minimum Bore

202.76 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

Bore Range [Min]	32.02 mm
No. of Strands Across	1
No. of Teeth	23
Pitch Diameter [Min]	233.2 mm
Bore Range [Max]	202.76 mm
Series	A
Outside Dia.	253.81 mm
Bore Style	Minimum Bore
Pitch Root Diameter	214.1 mm
Hub Length Thru	N/A
Inch/Metric	Metric
Pitch Diameter	233.2 mm
Family Name	No. 20 - 31.750 mm Pitch - Single - A
Single Strand Tooth Thickness	18.59 mm
Width Across Teeth	18.59 mm
Root Diameter	214.1 mm
Caliper Diameter	213.58 mm
Sprocket Style	A
Martin No.	20A23
Material	Steel
Hardened Teeth	Without Hardened Teeth
Hub Projection	N/A
Outside Dia. [Min]	253.81 mm
Pin Diameter	19.05 mm
Hub Dia.	N/A
Bore Type	Reborable
Chain No.	20B, 20B-1
Chain Pitch	31.75 mm
Length Through Bore	18.59 mm
Weight	13.5 LB
EAN or UPC	697950403953