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
Sprocket Style
B
Inch/Metric
Inch
Outside Dia. [Min]
10.4120 in
Bore Size [Min]
0.875 in
Bushing Bore [Max]
3 1/2 in
Type
B
Hub O.D.
6.25 in
Material
Steel
Hardened Teeth
With Hardened Teeth
Screw Size
1/2-13 NC
Martin No.
140E17H
Material External Use
Steel
Construction Internal
Welded
Bushing Bore [Min]
0.875 in
Chain Sprocket Pitch
1.75 in
Overall Length Less Threads
N/A
Bushing Bore Size [Max]
3.313 in
Bushing Bore Size [Min]
0.875 in
No. of Teeth
17
Chain Pitch
1.750 in
Width Across Teeth
0.924 in
No. of Teeth Rows Strands
1
Caliper Diameter
8.4832 in
Single Strand Tooth Thickness
0.924 in
Hub Length
3/4 in
Bushing Type
QD
Bore Size [Max]
3.313 in
Bore Type
Bushed
Chain No.
140
Outside Dia.
10.412 in
Chain Sprocket Number
140
Hub Dia.
6 1/4 in
Pitch Diameter
9.524 in
Pitch Dia.
9.524 in
No. of Strands Across
1
Length Through Bore
1.625 in
O.D.
10.412 in
Bushing Series
E
Tooth Width
0.924 in
Material Internal Use
Carbon Steel
Overall Length
1 5/8 in
Hub Projection
3/4 in
Weight
17.68 LB
EAN or UPC
697950042718
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
