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