D08B18

Metric Roller Chain Sprocket

Item #100965797

14.02 mm Minimum Bore

40 mm Maximum 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

Bore Style	Minimum Bore
Pitch Diameter	73.1 mm
Martin No.	08B18
Family Name	No. 08 - 12.700 mm Pitch - Double - B
Sprocket Style	B
Series	B
No. of Teeth	18
Width Across Teeth	21.13 mm
Hardened Teeth	Without Hardened Teeth
Hub Dia.	57.99 mm
Single Strand Tooth Thickness	7.21 mm
Chain No.	08B, 08B-2
Outside Dia. [Min]	80.5 mm
Bore Range [Min]	14.02 mm
Pitch Root Diameter	64.6 mm
Material	Steel
Chain Pitch	12.7 mm
Pin Diameter	8.509 mm
No. of Strands Across	2
Outside Dia.	80.5 mm
Bore Range [Max]	40 mm
Root Diameter	64.6 mm
Hub Length Thru	27.76 mm
Inch/Metric	Metric
Caliper Diameter	64.63 mm
Bore Type	Reborable
Length Through Bore	35 mm
Pitch Diameter [Min]	73.1 mm
Weight	2.22 LB
EAN or UPC	697950397788