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