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
Pitch Dia.
3.989 in
Length Through Bore
1.313 in
No. of Teeth
25
Material
Steel
No. of Strands Across
1
Bushing Bore [Min]
0.5 in
Chain Sprocket Number
40
Tooth Width
0.284 in
Overall Length Less Threads
N/A
Material External Use
Steel
Overall Length
2.1875 in
Outside Dia. [Min]
4.258 in
Hub Length
1.03 in
Keyway Size
0.375 in
Bushing Type
Split Taper
Bushing Bore Size [Min]
0.5 in
Chain Sprocket Pitch
0.5 in
Bushing Bore Size [Max]
1.75 in
Outside Dia.
4.258 in
Hub Dia.
3 in
Key Way Size
0.375 in
Hub Projection
1.03 in
Chain Pitch
0.500 in
Material Internal Use
Carbon Steel
Type
4
Bushing Bore [Max]
1.75 in
Construction Internal
Solid
Pitch Diameter
3.9894 in
Hardened Teeth
With Hardened Teeth
Caliper Diameter
3.6695 in
Hub O.D.
3 in
Bushing Series
P1
Bore Type
Bushed
Keyway
w/Keyway
Width Across Teeth
0.284 in
Inch/Metric
Inch
No. of Teeth Rows Strands
1
Single Strand Tooth Thickness
0.284 in
Bore Size [Min]
0.5 in
O.D.
4.258 in
Bore Size [Max]
1.75 in
Chain No.
40
Sprocket Style
B
Weight
1.89 LB
EAN or UPC
697950110691
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