D120B11

Double Strand Sprocket

Item #100806304

1.5 in Minimum Bore

2.375 in Maximum Bore

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each One-time purchase

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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.

Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ split-taper bushings

Specifications

Construction Internal	Solid
Inch/Metric	Inch
Hub O.D.	3.563 in
No. of Strands Across	2
Length Through Bore	3.75 in
Bushing Bore Size [Min]	1.5 in
Hardened Teeth	Without Hardened Teeth
Bushing Bore Size [Max]	2.375 in
Bore Type	Finished Bore
Martin No.	120B11
Chain Sprocket Number	120
Bore Style	Minimum Bore
Caliper Diameter	4.395 in
Bore Size [Max]	2.375 in
Material Internal Use	Carbon Steel
Material External Use	Steel
Outside Dia. [Min]	6.009 in
Chain No.	120
Single Strand Tooth Thickness	0.894 in
No. of Teeth Rows Strands	2
Bore Range [Max]	2.375 in
Chain Sprocket Pitch	1.5 in
Bushing Bore [Min]	1.5 in
Width Across Teeth	2.675 in
Hub Length Thru	2.856 in
Family Name	No. 120 - 1 1/2 in Pitch - Double - Type B & C
Bore Size [Min]	1.5 in
Pitch Diameter	5.32 in
Pitch Dia.	5.324 in
Material	Steel
Chain Pitch	1.500 in
Pitch Diameter [Min]	5.32 in
Finished Bore Size	1.5 in
Outside Dia.	6.009 in
No. of Teeth	11
O.D.	6.009 in
Sprocket Style	B
Bore Range [Min]	1.5 in
Stock Bore Size	1.5 in
Series	B
Hub Projection	1.075 in
Hub Dia.	3 9/16 in
Weight	13.6 LB
EAN or UPC	697950025421