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
Inch/Metric
Inch
Construction Internal
Welded
Hub Projection
0.94 in
Outside Dia.
11.844 in
Bore Type
Bushed
Pitch Dia.
11.164 in
Overall Length
1 5/8 in
No. of Strands Across
1
Material Internal Use
Carbon Steel
Bushing Bore Size [Min]
0.875 in
Single Strand Tooth Thickness
0.692 in
Tooth Width
0.692 in
Screw Size
1/2-13 NC
Chain Sprocket Pitch
1.25 in
Bushing Type
QD
Bushing Bore Size [Max]
3.313 in
Hub Length
0.94 in
Pitch Diameter
11.164 in
Sprocket Style
B
Material External Use
Steel
Hub O.D.
6.25 in
Bore Size [Max]
3.313 in
Bore Size [Min]
0.875 in
Bushing Series
E
Chain No.
100
Hub Dia.
6 1/4 in
Material
Steel
O.D.
11.844 in
Overall Length Less Threads
N/A
Type
B
Width Across Teeth
0.692 in
Bushing Bore [Min]
0.875 in
Chain Pitch
1.250 in
Bushing Bore [Max]
3 1/2 in
No. of Teeth Rows Strands
1
Length Through Bore
1.625 in
No. of Teeth
28
Martin No.
100E28H
Outside Dia. [Min]
11.8440 in
Chain Sprocket Number
100
Hardened Teeth
With Hardened Teeth
Caliper Diameter
10.4143 in
Weight
20.4 LB
EAN or UPC
697950042466
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