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
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 Pitch
1.750 in
Bushing Bore [Max]
3.5 in
Hub Projection
3/4 in
Chain No.
140
No. of Teeth Rows Strands
1
Bushing Bore Size [Max]
3.313 in
Outside Dia. [Min]
12.099 in
O.D.
12.099 in
Bushing Bore Size [Min]
0.875 in
Chain Sprocket Number
140
Construction Internal
Welded
Chain Sprocket Pitch
1.75 in
Width Across Teeth
0.924 in
Sprocket Style
B
Outside Dia.
12.099 in
Bore Size [Max]
3.313 in
Pitch Diameter
11.1868 in
Material External Use
Steel
Bushing Series
E
Hub Dia.
6 1/4 in
Inch/Metric
Inch
Hub O.D.
6.25 in
Single Strand Tooth Thickness
0.924 in
Bore Type
Bushed
Bore Size [Min]
0.875 in
Tooth Width
0.924 in
No. of Teeth
20
Type
B
Caliper Diameter
10.1868 in
Martin No.
140E20H
Length Through Bore
1.625 in
Pitch Dia.
11.187 in
Bushing Type
QD
Overall Length Less Threads
N/A
Material Internal Use
Carbon Steel
No. of Strands Across
1
Overall Length
1.625 in
Hub Length
3/4 in
Hardened Teeth
With Hardened Teeth
Screw Size
1/2-13 NC
Bushing Bore [Min]
0.875 in
Material
Steel
Weight
24.42 LB
EAN or UPC
697950042749
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
