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