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
Bushing Series
P1
Keyway Size
0.375 in
Bushing Bore [Max]
1.75 in
Caliper Diameter
3.1992 in
Bore Size [Max]
1.75 in
Inch/Metric
Inch
No. of Teeth Rows Strands
2
Material Internal Use
Carbon Steel
Key Way Size
0.375 in
Outside Dia.
3.92 in
Bushing Bore Size [Min]
0.5 in
Hub O.D.
3 in
Length Through Bore
1.313 in
Hub Length
0.77 in
Chain Pitch
0.625 in
Bore Size [Min]
0.5 in
Construction Internal
Solid With Recess Groove
Pitch Diameter
3.5992 in
Hub Recess Depth
0.055 in
Bore Type
Bushed
Bushing Bore Size [Max]
1.75 in
Bushing Type
Split Taper
Hub Dia.
3 in
Single Strand Tooth Thickness
0.332 in
Chain Sprocket Pitch
0.625 in
Type
12
O.D.
3.92 in
Hub OD @ Recess
2.89 in
Keyway
w/Keyway
Width Across Teeth
1.045 in
Tooth Width
0.332 in
Overall Length
2.6875 in
Bushing Bore [Min]
0.5 in
Outside Dia. [Min]
3.92 in
Hub Recess Width
1/4 in
Pitch Dia.
3.599 in
Material
Steel
No. of Strands Across
2
Overall Length Less Threads
N/A
Hub Projection
0.77 in
Hub Recessed
1
Chain Sprocket Number
50
Chain No.
50-2
Hardened Teeth
With Hardened Teeth
Material External Use
Steel
Sprocket Style
B
No. of Teeth
18
Weight
2.46 LB
EAN or UPC
697950111773
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