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

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