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