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