E08B84

Metric Roller Chain Sprocket

Item #100966787

30 mm Minimum Bore

90 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

Pin Diameter	8.509 mm
Hardened Teeth	Without Hardened Teeth
Hub Length Thru	65 mm
Single Strand Tooth Thickness	7.21 mm
Family Name	No. 08 - 12.700 mm Pitch - Triple - B
Sprocket Style	B
Hub Dia.	130 mm
Outside Dia.	347.02 mm
Length Through Bore	65 mm
Bore Type	Reborable
Chain Pitch	12.7 mm
Pitch Diameter	339.7 mm
Bore Style	Minimum Bore
Root Diameter	331.1 mm
Bore Range [Min]	30 mm
Material	Steel
Width Across Teeth	35.05 mm
Outside Dia. [Min]	347.02 mm
Bore Range [Max]	90 mm
Martin No.	08B84
Pitch Diameter [Min]	339.7 mm
Pitch Root Diameter	331.1 mm
No. of Teeth	84
No. of Strands Across	3
Series	B
Inch/Metric	Metric
Chain No.	08B, 08B-3
Caliper Diameter	331.14 mm
Weight	54.16 LB
EAN or UPC	697950398402