20C80

Metric Roller Chain Sprocket

Item #100967028

40 mm Minimum Bore

125 mm Maximum Bore

+ Show More

Auto Replenish

each One-time purchase

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

Martin No.	20C80
No. of Teeth	80
Root Diameter	789.7 mm
Bore Range [Max]	125 mm
Outside Dia.	829.35 mm
Material	Steel
Chain Pitch	31.75 mm
Bore Range [Min]	40 mm
Bore Style	Minimum Bore
Pitch Root Diameter	789.7 mm
Family Name	No. 20 - 31.750 mm Pitch - Single - Type B & C
Single Strand Tooth Thickness	18.59 mm
Hub Length Thru	95 mm
Hardened Teeth	Without Hardened Teeth
Bore Type	Reborable
Length Through Bore	95 mm
Pitch Diameter [Min]	808.7 mm
Outside Dia. [Min]	829.35 mm
Caliper Diameter	789.66 mm
Chain No.	20B, 20B-1
Hub Dia.	177.8 mm
Pin Diameter	19.05 mm
Pitch Diameter	808.7 mm
Width Across Teeth	18.59 mm
Inch/Metric	Metric
No. of Strands Across	1
Series	C
Sprocket Style	C
Weight	164.68 LB
EAN or UPC	697950404769