20A19

Metric Roller Chain Sprocket

Item #100966893

30.02 mm Minimum Bore

162.03 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

Series	A
Outside Dia.	213.54 mm
Bore Range [Max]	162.03 mm
Family Name	No. 20 - 31.750 mm Pitch - Single - A
Chain No.	20B, 20B-1
Material	Steel
No. of Teeth	19
Sprocket Style	A
Chain Pitch	31.75 mm
Pitch Diameter [Min]	192.9 mm
Bore Style	Minimum Bore
Bore Type	Reborable
Pin Diameter	19.05 mm
Width Across Teeth	18.59 mm
Outside Dia. [Min]	213.54 mm
Inch/Metric	Metric
Pitch Root Diameter	173.8 mm
Caliper Diameter	173.19 mm
Pitch Diameter	192.9 mm
Hardened Teeth	Without Hardened Teeth
Hub Projection	N/A
Martin No.	20A19
Bore Range [Min]	30.02 mm
Single Strand Tooth Thickness	18.59 mm
Hub Length Thru	N/A
Length Through Bore	18.59 mm
No. of Strands Across	1
Root Diameter	173.8 mm
Hub Dia.	N/A
Weight	9.5 LB
EAN or UPC	697950403878