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
Single Strand Tooth Thickness
0.924 in
Chain Sprocket Number
120
Keyway Size
0.75 in
O.D.
12.294 in
Width Across Teeth
0.924 in
Material
Steel
Inch/Metric
Inch
Bore Size [Max]
3.75 in
No. of Strands Across
1
Chain No.
120
Overall Length Less Threads
N/A
Bushing Series
R1
Bushing Bore [Max]
3.75 in
Construction Internal
Welded
Hub Dia.
5.406 in
Hub O.D.
5.5 in
Bushing Bore Size [Max]
3.75 in
Hardened Teeth
With Hardened Teeth
Hub Projection
1.08 in
Length Through Bore
2 in
Chain Sprocket Pitch
1.5 in
Bushing Bore [Min]
1.125 in
Sprocket Style
B
Bore Size [Min]
1.125 in
Overall Length
3.15625 in
Outside Dia.
12.294 in
Material External Use
Steel
Bore Type
Bushed
Caliper Diameter
10.6169 in
No. of Teeth Rows Strands
1
Material Internal Use
Carbon Steel
Pitch Dia.
11.492 in
Key Way Size
0.75 in
Outside Dia. [Min]
12.294 in
Tooth Width
0.924 in
Bushing Type
Split Taper
Hub Length
1.08 in
Bushing Bore Size [Min]
1.125 in
Keyway
w/Keyway
Type
B
Chain Pitch
1.500 in
Pitch Diameter
11.4919 in
No. of Teeth
24
Weight
24.7 LB
EAN or UPC
697950102511
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