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

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