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