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