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