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