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