08A12

Metric Roller Chain Sprocket

Item #100966134

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

Root Diameter	40.6 mm
Martin No.	08A12
Family Name	No. 08 - 12.700 mm Pitch - Single - A
Pin Diameter	8.509 mm
Inch/Metric	Metric
Material	Steel
Outside Dia.	56.44 mm
Hardened Teeth	Without Hardened Teeth
Single Strand Tooth Thickness	7.37 mm
Bore Range [Min]	10 mm
Chain No.	08B, 08B-1
Bore Type	Reborable
Pitch Diameter	49.1 mm
Caliper Diameter	5.77 mm
Sprocket Style	A
Hub Dia.	N/A
Bore Range [Max]	N/A
Bore Style	Minimum Bore
Length Through Bore	5.31 mm
Width Across Teeth	5.31 mm
No. of Teeth	12
Outside Dia. [Min]	56.44 mm
Hub Length Thru	N/A
Hub Projection	N/A
Pitch Root Diameter	40.6 mm
Pitch Diameter [Min]	49.1 mm
Series	A
No. of Strands Across	1
Chain Pitch	12.7 mm
Weight	0.17 LB
EAN or UPC	697950396835