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 Type
QD
Overall Length
3 3/16 in
No. of Teeth
30
Sprocket Style
B
Material
Steel
Hardened Teeth
With Hardened Teeth
Screw Size
5/8-11 UNC
Pitch Diameter
19.134 in
Length Through Bore
3.188 in
Chain Pitch
2.000 in
Martin No.
160J30H
Outside Dia. [Min]
20.2290 in
Material Internal Use
Carbon Steel
Type
C
Single Strand Tooth Thickness
1.156 in
Overall Length Less Threads
N/A
Bore Type
Bushed
Bore Size [Max]
4.5 in
Hub Projection
2.06 in
Width Across Teeth
1.156 in
Bushing Series
J
Bore Size [Min]
1.25 in
No. of Strands Across
1
Hub O.D.
7.75 in
Hub Length
2.06 in
Caliper Diameter
18.1085 in
Bushing Bore Size [Max]
4.5 in
Construction Internal
Welded
Bushing Bore [Min]
1.25 in
No. of Teeth Rows Strands
1
Chain Sprocket Number
160
O.D.
20.229 in
Chain Sprocket Pitch
2 in
Material External Use
Steel
Chain No.
160
Outside Dia.
20.229 in
Tooth Width
1.156 in
Pitch Dia.
19.134 in
Hub Dia.
7 3/4 in
Inch/Metric
Inch
Bushing Bore Size [Min]
1.25 in
Bushing Bore [Max]
4 1/2 in
Weight
103.98 LB
EAN or UPC
697950042985
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