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 Length
0.66 in
Tooth Width
0.275 in
Pitch Dia.
3.196 in
Bore Size [Max]
1.75 in
No. of Strands Across
2
Hub Projection
0.66 in
Bushing Bore Size [Max]
1.75 in
O.D.
3.457 in
Type
12
Hardened Teeth
With Hardened Teeth
Bore Type
Bushed
Overall Length Less Threads
N/A
Outside Dia. [Min]
3.457 in
Material External Use
Steel
Material
Steel
Bore Size [Min]
0.5 in
Hub Recessed
1
No. of Teeth
20
Hub O.D.
3 in
Construction Internal
Solid With Recess Groove
Chain Sprocket Pitch
0.5 in
Pitch Diameter
3.1962 in
Keyway
w/Keyway
Overall Length
2.40625 in
Key Way Size
0.375 in
Caliper Diameter
2.8842 in
Sprocket Style
B
Chain Pitch
0.500 in
Bushing Bore Size [Min]
0.5 in
Bushing Bore [Min]
0.5 in
Chain No.
40-2
Hub Dia.
3 in
Single Strand Tooth Thickness
0.275 in
Hub OD @ Recess
2.627 in
Width Across Teeth
0.841 in
Hub Recess Depth
0.186 in
Material Internal Use
Carbon Steel
Length Through Bore
1.313 in
Bushing Type
Split Taper
Keyway Size
0.375 in
Inch/Metric
Inch
No. of Teeth Rows Strands
2
Outside Dia.
3.457 in
Bushing Series
P1
Chain Sprocket Number
40
Bushing Bore [Max]
1.75 in
Hub Recess Width
0.188 in
Weight
1.59 LB
EAN or UPC
697950098173
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