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

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