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

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