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
Key Way Size
0.375 in
Sprocket Style
B
Hub Length
0.27 in
Bore Type
Bushed
No. of Teeth
20
Chain Sprocket Number
50
Construction Internal
Solid
Hardened Teeth
With Hardened Teeth
Pitch Dia.
3.995 in
Bushing Bore [Max]
1.75 in
Length Through Bore
1.313 in
Bushing Bore [Min]
0.5 in
Inch/Metric
Inch
Keyway
w/Keyway
Chain Sprocket Pitch
0.625 in
Material External Use
Steel
Chain No.
50-2
Tooth Width
0.332 in
Overall Length Less Threads
N/A
Bore Size [Max]
1.75 in
Type
12
Hub Projection
0.27 in
Bushing Bore Size [Min]
0.5 in
O.D.
4.321 in
Outside Dia. [Min]
4.321 in
Bushing Series
P1
Keyway Size
0.375 in
Single Strand Tooth Thickness
0.332 in
Width Across Teeth
1.045 in
Pitch Diameter
3.9953 in
Material
Steel
Chain Pitch
0.625 in
Outside Dia.
4.321 in
No. of Strands Across
2
Hub O.D.
3 in
Caliper Diameter
3.5953 in
Material Internal Use
Carbon Steel
Bushing Type
Split Taper
No. of Teeth Rows Strands
2
Hub Dia.
3 in
Bore Size [Min]
0.5 in
Overall Length
2.1875 in
Bushing Bore Size [Max]
1.75 in
Weight
2.52 LB
EAN or UPC
697950111803
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
