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