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.
4.657 in
Tooth Width
0.575 in
Bushing Bore Size [Max]
2 in
Material Internal Use
Carbon Steel
Hub Projection
0.17 in
Bushing Bore [Max]
2 in
No. of Teeth
13
Overall Length Less Threads
N/A
Screw Size
1/4-20 UNC
Construction Internal
Solid
Bushing Series
SDS
Type
B
Caliper Diameter
3.5231 in
Overall Length
3/4 in
Bushing Bore [Min]
0.5 in
Outside Dia. [Min]
4.6570 in
Martin No.
80SDS13H
Bore Size [Max]
2 in
Outside Dia.
4.657 in
Length Through Bore
0.75 in
Material
Steel
Inch/Metric
Inch
Chain No.
80
Bore Size [Min]
0.5 in
Bushing Bore Size [Min]
0.5 in
Bore Type
Bushed
Hub Dia.
3.209 in
Bushing Type
QD
Chain Sprocket Number
80
Hardened Teeth
With Hardened Teeth
Pitch Diameter
4.179 in
Sprocket Style
B
No. of Teeth Rows Strands
1
Chain Sprocket Pitch
1 in
Chain Pitch
1.000 in
Hub Length
0.17 in
No. of Strands Across
1
Single Strand Tooth Thickness
0.575 in
Pitch Dia.
4.179 in
Width Across Teeth
0.575 in
Hub O.D.
3.25 in
Material External Use
Steel
Weight
1.52 LB
EAN or UPC
697950042121
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