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