Single Strand Sprocket; 120 Chain Size; 18 Teeth; Requires E QD Bushing
Item #105102421
each
Single Strand Sprocket
120 Chain Size
18 Teeth
Requires QD E Bushing
With Hardened Teeth
description
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
Single Strand Tooth Thickness
0.924 in
Hub O.D.
6 in
Bore Size [Min]
0.875 in
Material External Use
Steel
Width Across Teeth
0.924 in
Hardened Teeth
With Hardened Teeth
Outside Dia. [Min]
9.4070 in
Material Internal Use
Carbon Steel
O.D.
9.407 in
Screw Size
1/2-13 NC
Sprocket Style
B
Pitch Dia.
8.638 in
Bushing Bore Size [Min]
0.875 in
Length Through Bore
1.625 in
Bushing Bore Size [Max]
3.313 in
No. of Teeth Rows Strands
1
No. of Strands Across
1
Bore Size [Max]
3.313 in
Hub Projection
0.7 in
Construction Internal
Solid
Tooth Width
0.924 in
Overall Length Less Threads
N/A
Chain Sprocket Number
120
Material
Steel
Type
B
Bushing Bore [Min]
0.875 in
Inch/Metric
Inch
Caliper Diameter
7.7632 in
Martin No.
120E18H
No. of Teeth
18
Bore Type
Bushed
Overall Length
1 5/8 in
Bushing Type
QD
Bushing Series
E
Chain Pitch
1.500 in
Chain Sprocket Pitch
1.5 in
Outside Dia.
9.407 in
Pitch Diameter
8.638 in
Hub Dia.
6 1/4 in
Chain No.
120
Bushing Bore [Max]
3 1/2 in
Hub Length
0.7 in
Weight
15.0 LB
EAN or UPC
697950042541
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