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
Inch/Metric
Inch
Bore Type
Bushed
Chain Sprocket Number
120
No. of Teeth
15
Type
B
Hub Dia.
4 1/8 in
Outside Dia.
7.957 in
Bushing Bore [Max]
2.6875 in
Sprocket Style
B
Material External Use
Steel
Bushing Type
Split Taper
Outside Dia. [Min]
7.957 in
Width Across Teeth
0.924 in
Hub Length
0.83 in
No. of Strands Across
1
Chain Pitch
1.500 in
Hub O.D.
4.125 in
Bore Size [Min]
0.75 in
Overall Length
2.78125 in
O.D.
7.957 in
Caliper Diameter
6.3001 in
Bushing Bore Size [Max]
2.688 in
Material Internal Use
Carbon Steel
Hardened Teeth
With Hardened Teeth
Bushing Bore [Min]
0.75 in
Chain Sprocket Pitch
1.5 in
Pitch Dia.
7.215 in
Keyway Size
0.5 in
Tooth Width
0.924 in
Single Strand Tooth Thickness
0.924 in
Chain No.
120
Keyway
w/Keyway
Bore Size [Max]
2.688 in
Key Way Size
0.5 in
Material
Steel
No. of Teeth Rows Strands
1
Hub Projection
0.83 in
Construction Internal
Solid
Pitch Diameter
7.2146 in
Overall Length Less Threads
N/A
Bushing Series
Q1
Length Through Bore
1.75 in
Bushing Bore Size [Min]
0.75 in
Weight
9.78 LB
EAN or UPC
697950126692
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