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