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
Hub Projection
1.08 in
Pitch Dia.
10.064 in
Construction Internal
Welded
Overall Length
3.15625 in
Bore Type
Bushed
Material Internal Use
Carbon Steel
Bushing Bore [Min]
1.125 in
Hardened Teeth
With Hardened Teeth
No. of Strands Across
1
Outside Dia.
10.852 in
Width Across Teeth
0.924 in
Tooth Width
0.924 in
Keyway
w/Keyway
Chain Sprocket Pitch
1.5 in
Caliper Diameter
9.1612 in
Bore Size [Max]
3.75 in
Hub Length
1.08 in
Inch/Metric
Inch
Bore Size [Min]
1.125 in
Key Way Size
0.75 in
Bushing Series
R1
Outside Dia. [Min]
10.852 in
Hub Dia.
5.406 in
No. of Teeth
21
Chain Sprocket Number
120
Overall Length Less Threads
N/A
Type
B
No. of Teeth Rows Strands
1
Material External Use
Steel
Hub O.D.
5.5 in
Length Through Bore
2 in
Keyway Size
0.75 in
Chain No.
120
Bushing Bore Size [Max]
3.75 in
Pitch Diameter
10.0643 in
Material
Steel
Single Strand Tooth Thickness
0.924 in
Bushing Type
Split Taper
O.D.
10.852 in
Sprocket Style
B
Bushing Bore [Max]
3.75 in
Bushing Bore Size [Min]
1.125 in
Weight
19.18 LB
EAN or UPC
697950233192
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
