08A25

Metric Roller Chain Sprocket

Item #100966147

12 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

Pitch Diameter	101.3 mm
Inch/Metric	Metric
No. of Teeth	25
Pitch Root Diameter	92.8 mm
Width Across Teeth	5.31 mm
Bore Type	Reborable
Pitch Diameter [Min]	101.3 mm
Hub Projection	N/A
Bore Range [Max]	N/A
Single Strand Tooth Thickness	7.37 mm
Hub Length Thru	N/A
Material	Steel
Hub Dia.	N/A
Chain Pitch	12.7 mm
Root Diameter	92.8 mm
Martin No.	08A25
Chain No.	08B, 08B-1
Length Through Bore	5.31 mm
Bore Style	Minimum Bore
Caliper Diameter	11.91 mm
Outside Dia.	108.7 mm
Bore Range [Min]	12 mm
No. of Strands Across	1
Hardened Teeth	Without Hardened Teeth
Series	A
Family Name	No. 08 - 12.700 mm Pitch - Single - A
Sprocket Style	A
Outside Dia. [Min]	108.7 mm
Pin Diameter	8.509 mm
Weight	0.88 LB
EAN or UPC	697950397092