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