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