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
Material External Use
Steel
Bore Type
Bushed
Bushing Bore Size [Max]
1.75 in
Outside Dia.
4.258 in
Construction Internal
Solid
Hub Projection
0.48 in
Bushing Type
Split Taper
Keyway
w/Keyway
Keyway Size
0.375 in
Width Across Teeth
0.841 in
Bushing Series
P1
Hub Length
0.48 in
Chain Sprocket Pitch
0.5 in
Chain No.
40-2
Sprocket Style
B
Key Way Size
0.375 in
Chain Pitch
0.500 in
Tooth Width
0.275 in
Outside Dia. [Min]
4.258 in
Overall Length
2.1875 in
Material
Steel
No. of Teeth Rows Strands
2
Inch/Metric
Inch
Pitch Dia.
3.989 in
Material Internal Use
Carbon Steel
Bore Size [Min]
0.5 in
No. of Teeth
25
Bore Size [Max]
1.75 in
Hardened Teeth
With Hardened Teeth
Hub Dia.
3 in
Pitch Diameter
3.9894 in
Single Strand Tooth Thickness
0.275 in
Bushing Bore [Min]
0.5 in
Caliper Diameter
3.6695 in
Chain Sprocket Number
40
Bushing Bore [Max]
1.75 in
Overall Length Less Threads
N/A
No. of Strands Across
2
Type
12
Hub O.D.
3 in
Bushing Bore Size [Min]
0.5 in
Length Through Bore
1.313 in
O.D.
4.258 in
Weight
2.41 LB
EAN or UPC
697950209753
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