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
Hub Projection
0.94 in
Type
B
Bore Size [Max]
3.313 in
Construction Internal
Solid
Overall Length
1 5/8 in
Bushing Series
E
Material Internal Use
Carbon Steel
Material External Use
Steel
Bushing Bore [Max]
3 1/2 in
Inch/Metric
Inch
Outside Dia. [Min]
7.8390 in
Bushing Bore [Min]
0.875 in
Martin No.
100E18H
Width Across Teeth
0.692 in
Bushing Bore Size [Min]
0.875 in
Bore Type
Bushed
No. of Teeth
18
No. of Teeth Rows Strands
1
Chain Sprocket Number
100
Single Strand Tooth Thickness
0.692 in
Pitch Dia.
7.199 in
Pitch Diameter
7.199 in
Chain No.
100
Chain Sprocket Pitch
1.25 in
Outside Dia.
7.839 in
Material
Steel
Bushing Bore Size [Max]
3.313 in
Hub O.D.
6.25 in
Hardened Teeth
With Hardened Teeth
Screw Size
1/2-13 NC
Bushing Type
QD
Chain Pitch
1.250 in
O.D.
7.839 in
Tooth Width
0.692 in
Caliper Diameter
6.4485 in
Overall Length Less Threads
N/A
Hub Length
0.94 in
Bore Size [Min]
0.875 in
Sprocket Style
B
No. of Strands Across
1
Hub Dia.
6.24 in
Length Through Bore
1.625 in
Weight
8.88 LB
EAN or UPC
697950042367
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