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