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