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