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