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
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 [Min]
1.25 in
Bushing Bore [Max]
4.5 in
Width Across Teeth
1.156 in
Hub Length
2.06 in
Hardened Teeth
With Hardened Teeth
Overall Length Less Threads
N/A
Bushing Bore Size [Max]
4.5 in
Martin No.
160J28H
Outside Dia. [Min]
18.95 in
Bushing Series
J
Material
Steel
Tooth Width
1.156 in
Hub Dia.
7 3/4 in
Chain Pitch
2.000 in
Bore Size [Min]
1.25 in
Length Through Bore
3.188 in
No. of Teeth
28
Bushing Bore Size [Min]
1.25 in
Overall Length
3.1875 in
Bore Size [Max]
4.5 in
Bushing Type
QD
Material External Use
Steel
Hub Projection
2.06 in
Inch/Metric
Inch
Chain Sprocket Pitch
2 in
Pitch Dia.
17.863 in
Bore Type
Bushed
Type
C
Outside Dia.
18.95 in
Sprocket Style
B
Caliper Diameter
16.8378 in
Single Strand Tooth Thickness
1.156 in
No. of Strands Across
1
Construction Internal
Welded
Material Internal Use
Carbon Steel
Hub O.D.
7.75 in
O.D.
18.95 in
Screw Size
5/8-11 UNC
Chain No.
160
Pitch Diameter
17.8628 in
No. of Teeth Rows Strands
1
Chain Sprocket Number
160
Weight
86.32 LB
EAN or UPC
697950042978
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