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