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