D140B15

Double Strand Sprocket

Item #100806326

1.625 in Minimum Bore

4.5 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

Bushing Bore Size [Max]	4.5 in
Material External Use	Steel
Finished Bore Size	1.625 in
Material	Steel
Bushing Bore [Min]	1.625 in
Hub Dia.	6 1/2 in
Hub Projection	0.94 in
Chain Pitch	1.750 in
Bore Style	Minimum Bore
Hub O.D.	6.5 in
Construction Internal	Solid
Pitch Diameter	8.42 in
No. of Strands Across	2
Bore Size [Max]	4.5 in
Pitch Dia.	8.417 in
Bushing Bore Size [Min]	1.625 in
Bore Range [Min]	1.625 in
Single Strand Tooth Thickness	2.818 in
No. of Teeth Rows Strands	2
Pitch Diameter [Min]	8.42 in
Bore Size [Min]	1.625 in
Hub Length Thru	2.856 in
Bore Range [Max]	4.5 in
Chain Sprocket Number	140
No. of Teeth	15
Chain No.	140
Outside Dia. [Min]	9.283 in
Length Through Bore	3.75 in
Sprocket Style	B
Stock Bore Size	1.625 in
Martin No.	140B15
Family Name	No. 140 - 1 3/4 in Pitch - Double - Type B & C
Series	B
Inch/Metric	Inch
Outside Dia.	9.283 in
Chain Sprocket Pitch	1.75 in
Hardened Teeth	Without Hardened Teeth
Caliper Diameter	7.371 in
Bore Type	Finished Bore
Material Internal Use	Carbon Steel
Width Across Teeth	2.81 in
O.D.	9.283 in
Weight	42.5 LB
EAN or UPC	697950026527