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
Bore Size [Max]
3.75 in
Bushing Bore Size [Max]
3.75 in
Hub Dia.
5.406 in
Chain Sprocket Number
120
Material External Use
Steel
Inch/Metric
Inch
Keyway
w/Keyway
Chain No.
120
Single Strand Tooth Thickness
0.924 in
Overall Length
3.15625 in
Chain Pitch
1.500 in
Bushing Bore [Min]
1.125 in
Bushing Bore Size [Min]
1.125 in
Hub O.D.
5.5 in
Caliper Diameter
8.7137 in
Pitch Diameter
9.5887 in
No. of Strands Across
1
Sprocket Style
B
Type
B
No. of Teeth Rows Strands
1
Overall Length Less Threads
N/A
Bushing Type
Split Taper
Outside Dia. [Min]
10.371 in
Outside Dia.
10.371 in
Pitch Dia.
9.589 in
Tooth Width
0.924 in
Key Way Size
0.75 in
Material
Steel
Keyway Size
0.75 in
O.D.
10.371 in
Material Internal Use
Carbon Steel
Bushing Bore [Max]
3.75 in
Bore Type
Bushed
No. of Teeth
20
Construction Internal
Welded
Hardened Teeth
With Hardened Teeth
Hub Projection
1.08 in
Bore Size [Min]
1.125 in
Width Across Teeth
0.924 in
Length Through Bore
2 in
Hub Length
1.08 in
Chain Sprocket Pitch
1.5 in
Bushing Series
R1
Weight
17.06 LB
EAN or UPC
697950102481
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