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
Tooth Width
0.924 in
Chain No.
120
Hub O.D.
5.5 in
Pitch Diameter
13.3971 in
O.D.
14.213 in
Construction Internal
Welded
Hardened Teeth
With Hardened Teeth
Bushing Series
R1
Material Internal Use
Carbon Steel
Bushing Bore Size [Min]
1.125 in
Pitch Dia.
13.397 in
Material External Use
Steel
Length Through Bore
2 in
Inch/Metric
Inch
Hub Projection
1.08 in
Bushing Bore [Max]
3.75 in
No. of Teeth
28
Single Strand Tooth Thickness
0.924 in
Type
C
Material
Steel
Chain Sprocket Pitch
1.5 in
Bore Type
Bushed
Bore Size [Min]
1.125 in
Overall Length
3.15625 in
No. of Teeth Rows Strands
1
Bushing Bore [Min]
1.125 in
Outside Dia.
14.213 in
Bushing Bore Size [Max]
3.75 in
Hub Length
1.08 in
Sprocket Style
B
Hub Dia.
5 3/8 in
Chain Pitch
1.500 in
Keyway Size
0.75 in
Width Across Teeth
0.924 in
No. of Strands Across
1
Keyway
w/Keyway
Key Way Size
0.75 in
Overall Length Less Threads
N/A
Caliper Diameter
12.5221 in
Chain Sprocket Number
120
Bore Size [Max]
3.75 in
Outside Dia. [Min]
14.213 in
Bushing Type
Split Taper
Weight
33.76 LB
EAN or UPC
697950102559
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