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