D12C68

Metric Roller Chain Sprocket

Item #100965891

32 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

Root Diameter	400.4 mm
Chain No.	12B, 12B-2
Length Through Bore	75.01 mm
Hub Dia.	130 mm
Martin No.	12B68
Outside Dia.	424.23 mm
Pitch Diameter	412.5 mm
Hub Length Thru	75 mm
Material	Steel
Chain Pitch	19.05 mm
Bore Style	Minimum Bore
Outside Dia. [Min]	424.23 mm
Single Strand Tooth Thickness	10.87 mm
Hardened Teeth	Without Hardened Teeth
Inch/Metric	Metric
Sprocket Style	C
Pitch Root Diameter	400.4 mm
Bore Range [Max]	90 mm
Bore Range [Min]	32 mm
Pitch Diameter [Min]	412.5 mm
Family Name	No. 12 - 19.050 mm Pitch - Double - Type B & C
Pin Diameter	12.065 mm
No. of Strands Across	2
Caliper Diameter	400.42 mm
Bore Type	Reborable
Series	C
Width Across Teeth	30.33 mm
No. of Teeth	68
Weight	52.27 LB
EAN or UPC	697950401607