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 Pitch
1.75 in
Tooth Width
0.924 in
Hub Projection
3/4 in
Overall Length
1 5/8 in
Bushing Bore [Max]
3 1/2 in
Caliper Diameter
9.5959 in
Screw Size
1/2-13 NC
Chain No.
140
Pitch Diameter
10.632 in
Material External Use
Steel
Hardened Teeth
With Hardened Teeth
Bore Size [Max]
3.313 in
Outside Dia. [Min]
11.5370 in
Overall Length Less Threads
N/A
Hub Length
3/4 in
Pitch Dia.
10.632 in
No. of Teeth
19
Inch/Metric
Inch
Chain Sprocket Number
140
Bushing Bore Size [Min]
0.875 in
O.D.
11.537 in
Bushing Series
E
Bore Size [Min]
0.875 in
Length Through Bore
1.625 in
Outside Dia.
11.537 in
No. of Teeth Rows Strands
1
Construction Internal
Welded
Material Internal Use
Carbon Steel
Bushing Type
QD
Material
Steel
Chain Pitch
1.750 in
Type
B
Hub O.D.
6.25 in
Bushing Bore Size [Max]
3.313 in
Bore Type
Bushed
Hub Dia.
6 1/4 in
Martin No.
140E19H
No. of Strands Across
1
Width Across Teeth
0.924 in
Bushing Bore [Min]
0.875 in
Single Strand Tooth Thickness
0.924 in
Sprocket Style
B
Weight
21.9 LB
EAN or UPC
697950042732
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