E12B11

Metric Roller Chain Sprocket

Item #100966822

20 mm Minimum Bore

33 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
Bores are concentric to pitch line, minimizing run out
Precise machining and processes ensure consistent finish and high quality
Manufactured of high carbon steel

Specifications

Pitch Diameter	67.6 mm
Hub Length Thru	59.13 mm
Inch/Metric	Metric
Sprocket Style	B
Caliper Diameter	54.86 mm
Pin Diameter	12.065 mm
Chain No.	12B, 12B-3
Length Through Bore	70 mm
Chain Pitch	19.05 mm
Single Strand Tooth Thickness	10.87 mm
Bore Range [Min]	20 mm
Width Across Teeth	49.78 mm
Hardened Teeth	Without Hardened Teeth
Bore Style	Minimum Bore
Pitch Diameter [Min]	67.6 mm
Outside Dia. [Min]	79.36 mm
Hub Dia.	46.99 mm
Root Diameter	55.6 mm
Material	Steel
Family Name	No. 12 - 19.050 mm Pitch - Triple - Type B & C
Pitch Root Diameter	55.6 mm
No. of Teeth	11
No. of Strands Across	3
Bore Type	Reborable
Bore Range [Max]	33 mm
Martin No.	12B11
Outside Dia.	79.36 mm
Series	B
Weight	2.51 LB
EAN or UPC	697950401669