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
Chain Sprocket Number
140
Construction Internal
Welded
Hub Projection
3/4 in
Type
B
Bore Size [Min]
0.875 in
Bushing Bore [Min]
0.875 in
Chain No.
140
Bushing Type
QD
Chain Pitch
1.750 in
No. of Strands Across
1
Length Through Bore
1.625 in
Martin No.
140E17H
Hardened Teeth
With Hardened Teeth
Hub O.D.
6.25 in
Material External Use
Steel
Bushing Bore [Max]
3 1/2 in
Hub Length
3/4 in
Pitch Dia.
9.524 in
Outside Dia. [Min]
10.4120 in
O.D.
10.412 in
Single Strand Tooth Thickness
0.924 in
Bushing Bore Size [Max]
3.313 in
Bore Size [Max]
3.313 in
Chain Sprocket Pitch
1.75 in
Screw Size
1/2-13 NC
Pitch Diameter
9.524 in
Overall Length
1 5/8 in
Bushing Series
E
Sprocket Style
B
Tooth Width
0.924 in
No. of Teeth Rows Strands
1
Caliper Diameter
8.4832 in
Material
Steel
Material Internal Use
Carbon Steel
Inch/Metric
Inch
Overall Length Less Threads
N/A
Hub Dia.
6 1/4 in
No. of Teeth
17
Width Across Teeth
0.924 in
Bushing Bore Size [Min]
0.875 in
Outside Dia.
10.412 in
Bore Type
Bushed
Weight
17.68 LB
EAN or UPC
697950042718
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