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