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
Chain Pitch
1.500 in
Sprocket Style
B
Material Internal Use
Carbon Steel
Bushing Bore Size [Min]
0.75 in
Inch/Metric
Inch
Bushing Bore [Min]
0.75 in
Hub O.D.
4.125 in
Bushing Bore [Max]
2.6875 in
Key Way Size
0.5 in
Tooth Width
0.924 in
No. of Teeth Rows Strands
1
O.D.
9.407 in
Bushing Bore Size [Max]
2.688 in
Chain Sprocket Pitch
1.5 in
Keyway Size
0.5 in
Length Through Bore
1.75 in
Material External Use
Steel
Outside Dia. [Min]
9.407 in
Material
Steel
Hardened Teeth
With Hardened Teeth
Bore Size [Min]
0.75 in
Overall Length Less Threads
N/A
Outside Dia.
9.407 in
Bushing Series
Q1
Bore Type
Bushed
Single Strand Tooth Thickness
0.924 in
Bore Size [Max]
2.688 in
Bushing Type
Split Taper
Overall Length
2.78125 in
Keyway
w/Keyway
Chain Sprocket Number
120
Hub Dia.
4 1/8 in
Chain No.
120
No. of Teeth
18
No. of Strands Across
1
Pitch Diameter
8.6382 in
Hub Projection
0.83 in
Caliper Diameter
7.7632 in
Construction Internal
Welded
Width Across Teeth
0.924 in
Hub Length
0.83 in
Pitch Dia.
8.638 in
Type
B
Weight
13.74 LB
EAN or UPC
697950102443
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