40JA18

Single Strand Sprocket; 40 Chain Size; 18 Teeth; Requires JA QD Bushing

Item #100804081

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each One-time purchase

Product Details

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’ QD bushings

Specifications

Chain Sprocket Number	40
Tooth Width	0.284 in
Pitch Dia.	2.879 in
Bushing Bore Size [Max]	1.25 in
Hub Length	0.34 in
Bore Size [Min]	0.375 in
Hub Dia.	2 1/8 in
O.D.	3.136 in
Bushing Bore [Max]	1 1/4 in
Chain Pitch	0.500 in
Outside Dia.	3.136 in
No. of Teeth Rows Strands	1
Bushing Series	JA
Overall Length Less Threads	N/A
Hub O.D.	2.125 in
Bore Size [Max]	1.25 in
Sprocket Style	B
Type	B
Length Through Bore	0.56 in
Bore Type	Bushed
Single Strand Tooth Thickness	0.284 in
Material Internal Use	Carbon Steel
Material External Use	Steel
Chain No.	40
No. of Teeth	18
Overall Length	5/8 in
Caliper Diameter	2.57 in
Width Across Teeth	0.284 in
Outside Dia. [Min]	3.1360 in
Construction Internal	Solid
Martin No.	40JA18
Inch/Metric	Inch
Hardened Teeth	Without Hardened Teeth
Material	Steel
Bushing Bore [Min]	0.375 in
Hub Projection	0.34 in
Bushing Bore Size [Min]	0.375 in
Bushing Type	QD
Screw Size	#10-24 UNC
Pitch Diameter	2.880 in
Chain Sprocket Pitch	0.5 in
No. of Strands Across	1
Weight	0.6 LB
EAN or UPC	697950004440