D12C80

Metric Roller Chain Sprocket

Item #100965893

40 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.

Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Bores are concentric to pitch line, minimizing run out

Specifications

Single Strand Tooth Thickness	10.87 mm
Material	Steel
Hardened Teeth	Without Hardened Teeth
Caliper Diameter	473.16 mm
Family Name	No. 12 - 19.050 mm Pitch - Double - Type B & C
No. of Teeth	80
Outside Dia.	496.98 mm
Pitch Diameter [Min]	485.2 mm
Outside Dia. [Min]	496.98 mm
Bore Type	Reborable
Chain No.	12B, 12B-2
Hub Length Thru	75 mm
Bore Range [Min]	40 mm
Chain Pitch	19.05 mm
Bore Range [Max]	90 mm
Pitch Diameter	485.2 mm
Root Diameter	473.2 mm
Length Through Bore	75.01 mm
Series	C
Inch/Metric	Metric
Pitch Root Diameter	473.2 mm
No. of Strands Across	2
Sprocket Style	C
Bore Style	Minimum Bore
Martin No.	12B80
Width Across Teeth	30.33 mm
Hub Dia.	130 mm
Pin Diameter	12.065 mm
Weight	86.69 LB
EAN or UPC	697950401621