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