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