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