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

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