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
Bore Size [Max]
2 in
Martin No.
100SDS12H
Bushing Type
QD
Bushing Bore [Max]
2 in
Chain Sprocket Pitch
1.25 in
Hardened Teeth
With Hardened Teeth
Pitch Dia.
4.83 in
Bushing Bore Size [Max]
2 in
Construction Internal
Solid
Overall Length Less Threads
N/A
O.D.
5.415 in
Pitch Diameter
4.830 in
Overall Length
3/4 in
Screw Size
1/4-20 NC
Hub O.D.
3.25 in
Type
B
Single Strand Tooth Thickness
0.692 in
Outside Dia. [Min]
5.4150 in
Chain Sprocket Number
100
Chain Pitch
1.250 in
Outside Dia.
5.415 in
Hub Projection
0.06 in
Inch/Metric
Inch
Hub Dia.
3 1/4 in
Width Across Teeth
0.692 in
No. of Strands Across
1
Bore Type
Bushed
Material External Use
Steel
Bushing Series
SDS
Bushing Bore Size [Min]
0.5 in
Material Internal Use
Carbon Steel
Bore Size [Min]
0.5 in
Caliper Diameter
4.0796 in
Chain No.
100
No. of Teeth
12
No. of Teeth Rows Strands
1
Material
Steel
Sprocket Style
B
Bushing Bore [Min]
0.5 in
Length Through Bore
0.75 in
Hub Length
0.06 in
Weight
2.46 LB
EAN or UPC
697950042305
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