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

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