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

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