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’ Taper bushings
Stocked Heat Treat
Bore Size [Max]
3 in
Bushing Bore [Min]
0.938 in
Hub Projection
1.08 in
Bushing Bore Size [Max]
3 in
Caliper Diameter
8.2072 in
Bore Size [Min]
0.938 in
Hub Dia.
5 1/4 in
Chain No.
120
Chain Sprocket Number
120
Tooth Width
0.924 in
Bushing Series
3020
Material Internal Use
Carbon Steel
Bushing Type
Taper Lock
Bushing Bore [Max]
3 in
Material External Use
Steel
Martin No.
120BTB19H
Outside Dia. [Min]
9.889 in
Construction Internal
Welded
Pitch Dia.
9.113 in
Bushing Bore Size [Min]
0.938 in
Type
B
Pitch Diameter
9.1133 in
Hub Length
1.08 in
Material
Steel
Length Through Bore
2 in
No. of Teeth
19
Single Strand Tooth Thickness
0.924 in
Outside Dia.
9.889 in
Sprocket Style
B
Hardened Teeth
With Hardened Teeth
No. of Strands Across
1
Bore Type
Bushed
Chain Pitch
1.500 in
Inch/Metric
Inch
Width Across Teeth
0.924 in
Hub O.D.
5.25 in
O.D.
9.889 in
Overall Length
2 in
Chain Sprocket Pitch
1.5 in
No. of Teeth Rows Strands
1
Overall Length Less Threads
N/A
Weight
15.0 LB
EAN or UPC
697950043883
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