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