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

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