20C84

Metric Roller Chain Sprocket

Item #100967029

40 mm Minimum Bore

125 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

Hub Length Thru	95 mm
Inch/Metric	Metric
Caliper Diameter	32.6803 in
Pitch Root Diameter	830.1 mm
Bore Style	Minimum Bore
No. of Teeth	84
Hub Dia.	177.8 mm
Bore Range [Min]	40 mm
Width Across Teeth	18.59 mm
Outside Dia. [Min]	869.77 mm
No. of Strands Across	1
Martin No.	20C84
Bore Range [Max]	125 mm
Sprocket Style	C
Pitch Diameter [Min]	849.1 mm
Single Strand Tooth Thickness	18.59 mm
Chain Pitch	31.75 mm
Pitch Diameter	849.1 mm
Outside Dia.	869.77 mm
Hardened Teeth	Without Hardened Teeth
Bore Type	Reborable
Series	C
Root Diameter	830.1 mm
Chain No.	20B, 20B-1
Family Name	No. 20 - 31.750 mm Pitch - Single - Type B & C
Length Through Bore	95 mm
Material	Steel
Pin Diameter	19.05 mm
Weight	172.9 LB
EAN or UPC	697950404783