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