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
Hub O.D.
5.5 in
Chain Sprocket Pitch
1.5 in
Chain Pitch
1.500 in
O.D.
12.774 in
No. of Strands Across
1
Sprocket Style
B
Overall Length
3.15625 in
Width Across Teeth
0.924 in
Construction Internal
Welded
No. of Teeth Rows Strands
1
Material External Use
Steel
Outside Dia.
12.774 in
Keyway
w/Keyway
Hub Dia.
5.406 in
Type
B
Material
Steel
Keyway Size
0.75 in
Bushing Bore Size [Max]
3.75 in
Caliper Diameter
11.0695 in
Tooth Width
0.924 in
Key Way Size
0.75 in
Hub Length
1.08 in
Hardened Teeth
With Hardened Teeth
Bore Size [Min]
1.125 in
Bushing Bore [Max]
3.75 in
Bushing Type
Split Taper
Outside Dia. [Min]
12.774 in
Bore Type
Bushed
Chain Sprocket Number
120
Bushing Bore Size [Min]
1.125 in
Length Through Bore
2 in
Bushing Series
R1
Material Internal Use
Carbon Steel
Pitch Diameter
11.9681 in
Overall Length Less Threads
N/A
Hub Projection
1.08 in
Inch/Metric
Inch
Chain No.
120
Single Strand Tooth Thickness
0.924 in
No. of Teeth
25
Bushing Bore [Min]
1.125 in
Pitch Dia.
11.968 in
Weight
26.73 LB
EAN or UPC
697950102528
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