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
Inch/Metric
Inch
Bore Size [Min]
0.875 in
Chain Sprocket Number
120
No. of Teeth
16
Type
B
Construction Internal
Solid
Pitch Diameter
7.689 in
Material External Use
Steel
Sprocket Style
B
Material Internal Use
Carbon Steel
Bushing Bore [Max]
3 1/2 in
Bushing Bore Size [Max]
3.313 in
Hub O.D.
6 in
Hub Length
0.7 in
Pitch Dia.
7.689 in
Single Strand Tooth Thickness
0.924 in
Bushing Series
E
No. of Strands Across
1
Outside Dia. [Min]
8.4410 in
Bushing Type
QD
Hub Projection
0.7 in
Width Across Teeth
0.924 in
Bushing Bore [Min]
0.875 in
Bore Type
Bushed
Overall Length Less Threads
N/A
Length Through Bore
1.625 in
Outside Dia.
8.441 in
No. of Teeth Rows Strands
1
Chain Sprocket Pitch
1.5 in
Tooth Width
0.924 in
Overall Length
1 5/8 in
Martin No.
120E16H
Bore Size [Max]
3.313 in
Screw Size
1/2-13 NC
Caliper Diameter
6.8137 in
Hub Dia.
6.062 in
Chain Pitch
1.500 in
Hardened Teeth
With Hardened Teeth
Chain No.
120
O.D.
8.441 in
Bushing Bore Size [Min]
0.875 in
Material
Steel
Weight
11.16 LB
EAN or UPC
697950042527
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