D140B13

Double Strand Sprocket

Item #100806324

1.625 in Minimum Bore

3.3125 in 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.

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

Material Internal Use	Carbon Steel
Hub O.D.	5 in
Bore Range [Min]	1.625 in
Bore Size [Min]	1.625 in
Bore Range [Max]	3.3125 in
Caliper Diameter	6.259 in
Outside Dia. [Min]	8.15 in
Pitch Dia.	7.313 in
Bushing Bore Size [Min]	1.625 in
O.D.	8.15 in
Hub Length Thru	2.856 in
Material External Use	Steel
Hardened Teeth	Without Hardened Teeth
Pitch Diameter	7.31 in
Inch/Metric	Inch
Hub Dia.	5 in
Bore Size [Max]	3.313 in
Bore Style	Minimum Bore
Single Strand Tooth Thickness	2.818 in
Bore Type	Finished Bore
Family Name	No. 140 - 1 3/4 in Pitch - Double - Type B & C
Chain Pitch	1.750 in
Bushing Bore Size [Max]	3.313 in
No. of Teeth Rows Strands	2
Material	Steel
Sprocket Style	B
Martin No.	140B13
Stock Bore Size	1.625 in
Chain Sprocket Number	140
Finished Bore Size	1.625 in
Outside Dia.	8.15 in
Chain Sprocket Pitch	1.75 in
Width Across Teeth	2.81 in
Chain No.	140
Pitch Diameter [Min]	7.31 in
No. of Strands Across	2
Bushing Bore [Min]	1.625 in
Construction Internal	Solid
Hub Projection	0.94 in
No. of Teeth	13
Length Through Bore	3.75 in
Series	B
Weight	29.0 LB
EAN or UPC	697950026503