08A20

Metric Roller Chain Sprocket

Item #100966142

10 mm Minimum 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

Martin No.	08A20
Sprocket Style	A
Bore Range [Max]	N/A
Root Diameter	72.7 mm
Length Through Bore	5.31 mm
No. of Strands Across	1
Bore Range [Min]	10 mm
Chain No.	08B, 08B-1
Chain Pitch	12.7 mm
Bore Style	Minimum Bore
Caliper Diameter	9.54 mm
Inch/Metric	Metric
Width Across Teeth	5.31 mm
Hub Projection	N/A
Family Name	No. 08 - 12.700 mm Pitch - Single - A
Hardened Teeth	Without Hardened Teeth
Material	Steel
Pitch Diameter [Min]	81.2 mm
Pin Diameter	8.509 mm
Series	A
Hub Length Thru	N/A
Outside Dia.	88.55 mm
Outside Dia. [Min]	88.55 mm
Pitch Diameter	81.2 mm
Bore Type	Reborable
Single Strand Tooth Thickness	7.37 mm
Pitch Root Diameter	72.7 mm
Hub Dia.	N/A
No. of Teeth	20
Weight	0.55 LB
EAN or UPC	697950396996