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