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’ split-taper bushings
Outside Dia. [Min]
9.407 in
Outside Dia.
9.407 in
Hub Dia.
5.406 in
Hub Length
1.08 in
Overall Length Less Threads
N/A
Bushing Type
Split Taper
Material External Use
Steel
Material Internal Use
Carbon Steel
Bore Size [Max]
3.75 in
Bushing Bore Size [Max]
3.75 in
Inch/Metric
Inch
Bushing Bore Size [Min]
1.125 in
Pitch Dia.
8.638 in
Bore Type
Bushed
Bore Size [Min]
1.125 in
Chain Sprocket Number
120
Keyway Size
0.75 in
Construction Internal
Welded
Length Through Bore
2 in
Chain Pitch
1.500 in
Tooth Width
0.924 in
No. of Teeth Rows Strands
1
Overall Length
3.15625 in
Material
Steel
O.D.
9.407 in
Chain Sprocket Pitch
1.5 in
Hardened Teeth
With Hardened Teeth
Hub O.D.
5.5 in
Key Way Size
0.75 in
Keyway
w/Keyway
Chain No.
120
Bushing Series
R1
Hub Projection
1.08 in
Sprocket Style
B
Single Strand Tooth Thickness
0.924 in
Pitch Diameter
8.6382 in
Bushing Bore [Min]
1.125 in
Type
B
Bushing Bore [Max]
3.75 in
Caliper Diameter
7.7632 in
No. of Strands Across
1
No. of Teeth
18
Width Across Teeth
0.924 in
Weight
13.78 LB
EAN or UPC
697950102467
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