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
Construction Internal
Welded
Keyway Size
0.75 in
Chain Sprocket Number
120
Bore Size [Max]
3.75 in
Material
Steel
Hub Length
1.08 in
Outside Dia. [Min]
10.852 in
Keyway
w/Keyway
Length Through Bore
2 in
Key Way Size
0.75 in
Bore Size [Min]
1.125 in
Overall Length Less Threads
N/A
Type
B
Bore Type
Bushed
Chain Pitch
1.500 in
Pitch Diameter
10.0643 in
O.D.
10.852 in
Bushing Bore [Max]
3.75 in
Bushing Bore [Min]
1.125 in
Hub Dia.
5.406 in
Material External Use
Steel
Overall Length
3.15625 in
No. of Strands Across
1
No. of Teeth Rows Strands
1
Hub O.D.
5.5 in
Pitch Dia.
10.064 in
Material Internal Use
Carbon Steel
Sprocket Style
B
Bushing Type
Split Taper
Bushing Bore Size [Max]
3.75 in
Chain Sprocket Pitch
1.5 in
Inch/Metric
Inch
No. of Teeth
21
Bushing Bore Size [Min]
1.125 in
Tooth Width
0.924 in
Chain No.
120
Outside Dia.
10.852 in
Bushing Series
R1
Width Across Teeth
0.924 in
Caliper Diameter
9.1612 in
Hub Projection
1.08 in
Hardened Teeth
With Hardened Teeth
Weight
19.18 LB
EAN or UPC
697950233192
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