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
Chain Pitch
1.750 in
Bushing Bore Size [Max]
3.313 in
Construction Internal
Solid
Hub Dia.
6.26 in
Bushing Bore [Min]
0.875 in
Screw Size
1/2-13 NC
Caliper Diameter
7.9702 in
Pitch Dia.
8.97 in
Bore Type
Bushed
Inch/Metric
Inch
Bushing Type
QD
No. of Teeth Rows Strands
1
Sprocket Style
B
Length Through Bore
1.625 in
Bore Size [Max]
3.313 in
Material Internal Use
Carbon Steel
No. of Teeth
16
Material External Use
Steel
Chain Sprocket Number
140
Bushing Bore [Max]
3 1/2 in
Hardened Teeth
With Hardened Teeth
Type
B
Single Strand Tooth Thickness
0.924 in
Martin No.
140E16H
Width Across Teeth
0.924 in
O.D.
9.848 in
Hub Projection
0.71 in
Bushing Bore Size [Min]
0.875 in
Bushing Series
E
Chain No.
140
Overall Length Less Threads
N/A
Hub O.D.
6.25 in
No. of Strands Across
1
Material
Steel
Outside Dia.
9.848 in
Overall Length
1 5/8 in
Chain Sprocket Pitch
1.75 in
Tooth Width
0.924 in
Outside Dia. [Min]
9.8480 in
Hub Length
0.71 in
Bore Size [Min]
0.875 in
Pitch Diameter
8.970 in
Weight
15.88 LB
EAN or UPC
697950042701
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