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