D140B18

Double Strand Sprocket

Item #100806329

1.75 in Minimum Bore

5.25 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

Bore Size [Min]	1.75 in
Finished Bore Size	1.75 in
Bushing Bore [Min]	1.75 in
Hardened Teeth	Without Hardened Teeth
Caliper Diameter	9.078 in
Chain Pitch	1.750 in
Width Across Teeth	2.81 in
Bore Range [Max]	5.25 in
Single Strand Tooth Thickness	2.818 in
Pitch Diameter [Min]	10.08 in
Chain Sprocket Number	140
No. of Strands Across	2
No. of Teeth	18
Bore Type	Finished Bore
O.D.	10.975 in
Material Internal Use	Carbon Steel
No. of Teeth Rows Strands	2
Bore Style	Minimum Bore
Pitch Diameter	10.08 in
Hub O.D.	7 in
Material External Use	Steel
Outside Dia. [Min]	10.975 in
Bushing Bore Size [Max]	5.25 in
Family Name	No. 140 - 1 3/4 in Pitch - Double - Type B & C
Martin No.	140B18
Hub Dia.	7 in
Inch/Metric	Inch
Bore Range [Min]	1.75 in
Pitch Dia.	10.078 in
Stock Bore Size	1.75 in
Bushing Bore Size [Min]	1.75 in
Construction Internal	Welded
Length Through Bore	4 in
Material	Steel
Hub Projection	1.19 in
Series	B
Bore Size [Max]	5.25 in
Hub Length Thru	3.106 in
Outside Dia.	10.975 in
Chain No.	140
Sprocket Style	B
Chain Sprocket Pitch	1.75 in
Weight	65.0 LB
EAN or UPC	697950026558