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
No. of Teeth
22
Bushing Bore Size [Min]
0.875 in
Single Strand Tooth Thickness
0.924 in
Hub O.D.
6.25 in
Material Internal Use
Carbon Steel
Bore Size [Max]
3.313 in
Pitch Diameter
10.540 in
Inch/Metric
Inch
Outside Dia.
11.333 in
Chain Pitch
1.500 in
Tooth Width
0.924 in
Construction Internal
Solid
Martin No.
120E22H
Bushing Bore [Min]
0.875 in
Caliper Diameter
9.665 in
Hub Projection
0.7 in
Material
Steel
O.D.
11.333 in
Pitch Dia.
10.54 in
Material External Use
Steel
Width Across Teeth
0.924 in
Bushing Type
QD
Overall Length
1 5/8 in
Length Through Bore
1.625 in
Hub Length
0.7 in
Chain Sprocket Number
120
Sprocket Style
B
Hub Dia.
6 1/4 in
No. of Strands Across
1
Hardened Teeth
With Hardened Teeth
Outside Dia. [Min]
11.3330 in
Chain Sprocket Pitch
1.5 in
Bore Type
Bushed
Bushing Bore [Max]
3 1/2 in
Bushing Series
E
Type
B
Chain No.
120
Overall Length Less Threads
N/A
Bore Size [Min]
0.875 in
No. of Teeth Rows Strands
1
Bushing Bore Size [Max]
3.313 in
Screw Size
1/2-13 NC
Weight
21.7 LB
EAN or UPC
697950042589
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