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

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