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