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

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