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