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
Chain Sprocket Pitch
1.5 in
Bushing Bore [Min]
0.875 in
Length Through Bore
1.625 in
Bushing Type
QD
Screw Size
1/2-13 NC
Hub Length
0.7 in
Chain No.
120
Chain Sprocket Number
120
Hub O.D.
6 in
Width Across Teeth
0.924 in
Chain Pitch
1.500 in
Bushing Series
E
Caliper Diameter
8.2072 in
Single Strand Tooth Thickness
0.924 in
Construction Internal
Solid
No. of Teeth Rows Strands
1
Bore Size [Min]
0.875 in
No. of Strands Across
1
Inch/Metric
Inch
Material External Use
Steel
Hub Dia.
6 1/4 in
Sprocket Style
B
Hardened Teeth
With Hardened Teeth
O.D.
9.889 in
Tooth Width
0.924 in
Type
B
Outside Dia.
9.889 in
Pitch Dia.
9.113 in
No. of Teeth
19
Bore Type
Bushed
Bushing Bore Size [Min]
0.875 in
Bushing Bore Size [Max]
3.313 in
Pitch Diameter
9.113 in
Bushing Bore [Max]
3 1/2 in
Outside Dia. [Min]
9.8890 in
Material Internal Use
Carbon Steel
Bore Size [Max]
3.313 in
Overall Length Less Threads
N/A
Martin No.
120E19H
Material
Steel
Overall Length
1 5/8 in
Hub Projection
0.7 in
Weight
16.0 LB
EAN or UPC
697950042558
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