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