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

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