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