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
Hub O.D.
3 in
Outside Dia. [Min]
3.136 in
Hub Length
1.03 in
Sprocket Style
B
Hub Recessed
1
Chain No.
40
Bore Size [Max]
1.75 in
Length Through Bore
1.313 in
Tooth Width
0.284 in
Keyway
w/Keyway
Single Strand Tooth Thickness
0.284 in
Overall Length
2.1875 in
Material Internal Use
Carbon Steel
Hub Dia.
3 in
Bushing Series
P1
No. of Teeth
18
Bore Size [Min]
0.5 in
Caliper Diameter
2.5674 in
Inch/Metric
Inch
Hub Projection
1.03 in
Material
Steel
Material External Use
Steel
Bushing Bore Size [Min]
0.5 in
Pitch Dia.
2.879 in
Bushing Bore [Max]
1.75 in
Bushing Bore Size [Max]
1.75 in
Hub Recess Depth
0.355 in
Hardened Teeth
With Hardened Teeth
No. of Strands Across
1
Outside Dia.
3.136 in
Overall Length Less Threads
N/A
Construction Internal
Solid With Recess Groove
Chain Sprocket Number
40
Type
3
Width Across Teeth
0.284 in
Key Way Size
0.375 in
Chain Sprocket Pitch
0.5 in
Keyway Size
0.375 in
Bushing Type
Split Taper
O.D.
3.136 in
Hub Recess Width
3/16 in
Hub OD @ Recess
2.306 in
Bushing Bore [Min]
0.5 in
No. of Teeth Rows Strands
1
Pitch Diameter
2.8794 in
Chain Pitch
0.500 in
Bore Type
Bushed
Weight
1.28 LB
EAN or UPC
697950097466
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