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

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