20A13

Metric Roller Chain Sprocket

Item #100966887

25.02 mm Minimum Bore

100.58 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.

Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Precise machining and processes ensure consistent finish and high quality
Manufactured of high carbon steel

Specifications

Pitch Root Diameter	113.6 mm
Outside Dia. [Min]	153.31 mm
Length Through Bore	18.59 mm
Series	A
Pitch Diameter	132.7 mm
Pin Diameter	19.05 mm
No. of Teeth	13
Hub Projection	N/A
Outside Dia.	153.31 mm
Sprocket Style	A
Caliper Diameter	112.65 mm
Material	Steel
Bore Range [Min]	25.02 mm
Hardened Teeth	Without Hardened Teeth
Root Diameter	113.6 mm
Width Across Teeth	18.59 mm
Family Name	No. 20 - 31.750 mm Pitch - Single - A
Bore Style	Minimum Bore
Bore Type	Reborable
Bore Range [Max]	100.58 mm
Chain No.	20B, 20B-1
Pitch Diameter [Min]	132.7 mm
Chain Pitch	31.75 mm
Single Strand Tooth Thickness	18.59 mm
Inch/Metric	Metric
Hub Length Thru	N/A
No. of Strands Across	1
Martin No.	20A13
Hub Dia.	N/A
Weight	4.8 LB
EAN or UPC	697950403755