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