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

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