40JA17H

QD Bushed Sprocket

Item #100804080

2.975 in Outside Diameter

JA Bushing Series

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Product Details

Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.

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
Stocked Heat Treat

Specifications

Hardened Teeth	With Hardened Teeth
Single Strand Tooth Thickness	0.284 in
Martin No.	40JA17H
Bushing Series	JA
Tooth Width	0.284 in
Material	Steel
Caliper Diameter	2.3975 in
Outside Dia.	2.975 in
No. of Strands Across	1
Bushing Bore [Max]	1.25 in
Bore Type	Bushed
Screw Size	#10-24 UNC
Chain No.	40
Pitch Diameter	2.7211 in
Type	B
No. of Teeth	17
Width Across Teeth	0.284 in
Sprocket Style	B
Length Through Bore	0.625 in
Bushing Bore [Min]	0.5 in
Hub Dia.	2 1/8 in
Hub Length	0.34 in
Overall Length	0.625 in
Chain Pitch	0.5 in
Hub Projection	0.34 in
Outside Dia. [Min]	2.975 in
Bushing Type	QD
Inch/Metric	Inch
Overall Length Less Threads	N/A
Weight	0.48 LB
EAN or UPC	697950041605