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