Single Strand Sprocket; 40 Chain Size; 18 Teeth; Requires JA QD Bushing
Item #105091584
each
Single Strand Sprocket
40 Chain Size
18 Teeth
Requires QD JA Bushing
With Hardened Teeth
description
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.
features
Hardened teeth sprockets afford longer chain and sprocket life
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
No. of Strands Across
1
Sprocket Style
B
Bore Size [Min]
0.375 in
Martin No.
40JA18H
Outside Dia.
3.136 in
Bore Type
Bushed
Screw Size
#10-24 UNC
Bushing Bore Size [Max]
1.25 in
Chain No.
40
Bushing Bore [Min]
0.375 in
Type
B
Hub Projection
0.34 in
Chain Sprocket Pitch
0.5 in
Bushing Series
JA
Hardened Teeth
With Hardened Teeth
Overall Length Less Threads
N/A
Bore Size [Max]
1.25 in
Material Internal Use
Carbon Steel
Overall Length
5/8 in
Hub O.D.
2.125 in
Outside Dia. [Min]
3.1360 in
Single Strand Tooth Thickness
0.284 in
Length Through Bore
0.56 in
No. of Teeth
18
Width Across Teeth
0.284 in
Inch/Metric
Inch
Chain Pitch
0.500 in
Pitch Dia.
2.879 in
Hub Dia.
2 1/16 in
Material
Steel
Bushing Type
QD
Material External Use
Steel
No. of Teeth Rows Strands
1
Construction Internal
Solid
O.D.
3.136 in
Caliper Diameter
2.5674 in
Bushing Bore Size [Min]
0.375 in
Hub Length
0.34 in
Pitch Diameter
2.879 in
Bushing Bore [Max]
1 1/4 in
Tooth Width
0.284 in
Chain Sprocket Number
40
Weight
0.52 LB
EAN or UPC
697950041612
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