D40B112

Double Strand Sprocket

Item #100810173

1.1875 in Minimum Bore

2.75 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

Chain No.	40
Hub Length Thru	1.85 in
Outside Dia. [Min]	18.121 in
Pitch Diameter	17.83 in
Series	B
Length Through Bore	2.125 in
Material	Steel
Caliper Diameter	17.516 in
Hub Projection	1.288 in
Family Name	No. 40 - 1/2 in Pitch - Double - Type B & C
Width Across Teeth	0.837 in
Bore Range [Max]	2.75 in
Bore Style	Minimum Bore
Outside Dia.	18.121 in
Pitch Diameter [Min]	17.83 in
Bore Type	Reborable
Bore Range [Min]	1.1875 in
Hub Dia.	4 1/4 in
Martin No.	40B112
No. of Teeth	112
Sprocket Style	B
Hardened Teeth	Without Hardened Teeth
Chain Pitch	0.5 in
Inch/Metric	Inch
No. of Strands Across	2
Single Strand Tooth Thickness	0.275 in
Weight	51.6 LB
EAN or UPC	697950007564