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 Dia.
5.406 in
Length Through Bore
2 in
Bushing Type
Split Taper
Bore Size [Max]
3.75 in
No. of Teeth
17
Type
B
Single Strand Tooth Thickness
0.924 in
Tooth Width
0.924 in
No. of Strands Across
1
Bushing Bore Size [Max]
3.75 in
Keyway
w/Keyway
Material
Steel
Chain Pitch
1.500 in
Material External Use
Steel
Hub O.D.
5.5 in
Overall Length
3.15625 in
No. of Teeth Rows Strands
1
Hub Projection
1.08 in
Bushing Bore [Min]
1.125 in
Hardened Teeth
With Hardened Teeth
Construction Internal
Welded
Bushing Bore Size [Min]
1.125 in
Inch/Metric
Inch
Outside Dia. [Min]
8.924 in
Keyway Size
0.75 in
O.D.
8.924 in
Bushing Bore [Max]
3.75 in
Pitch Dia.
8.163 in
Chain Sprocket Pitch
1.5 in
Bore Size [Min]
1.125 in
Material Internal Use
Carbon Steel
Bushing Series
R1
Key Way Size
0.75 in
Bore Type
Bushed
Overall Length Less Threads
N/A
Width Across Teeth
0.924 in
Chain No.
120
Pitch Diameter
8.1633 in
Caliper Diameter
7.2535 in
Chain Sprocket Number
120
Hub Length
1.08 in
Sprocket Style
B
Outside Dia.
8.924 in
Weight
12.27 LB
EAN or UPC
697950102450
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