20A15

Metric Roller Chain Sprocket

Item #100966889

25.02 mm Minimum Bore

121.14 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
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Bores are concentric to pitch line, minimizing run out

Specifications

Pitch Diameter	152.7 mm
Pin Diameter	19.05 mm
Series	A
Bore Type	Reborable
No. of Teeth	15
Chain No.	20B, 20B-1
Family Name	No. 20 - 31.750 mm Pitch - Single - A
Inch/Metric	Metric
Material	Steel
Outside Dia.	173.35 mm
Hardened Teeth	Without Hardened Teeth
Caliper Diameter	132.82 mm
Chain Pitch	31.75 mm
Bore Range [Max]	121.14 mm
Bore Style	Minimum Bore
Sprocket Style	A
Pitch Diameter [Min]	152.7 mm
Single Strand Tooth Thickness	18.59 mm
Pitch Root Diameter	133.7 mm
No. of Strands Across	1
Outside Dia. [Min]	173.35 mm
Bore Range [Min]	25.02 mm
Martin No.	20A15
Length Through Bore	18.59 mm
Root Diameter	133.7 mm
Hub Length Thru	N/A
Hub Projection	N/A
Hub Dia.	N/A
Width Across Teeth	18.59 mm
Weight	5.9 LB
EAN or UPC	697950403793