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