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
Keyway
w/Keyway
Hub Length
1.03 in
Hub Recess Width
3/16 in
Bushing Bore [Min]
0.5 in
Width Across Teeth
0.284 in
Pitch Diameter
3.3548 in
Type
4
Keyway Size
0.375 in
Construction Internal
Solid With Recess Groove
Chain Pitch
0.500 in
Material
Steel
Chain Sprocket Pitch
0.5 in
Hub OD @ Recess
2.771 in
Overall Length
2.1875 in
Bore Size [Max]
1.75 in
Hub O.D.
3 in
Material External Use
Steel
No. of Strands Across
1
Bushing Bore [Max]
1.75 in
Overall Length Less Threads
N/A
Tooth Width
0.284 in
Hub Recess Depth
0.1094 in
Bushing Bore Size [Max]
1.75 in
Length Through Bore
1.313 in
Outside Dia. [Min]
3.617 in
No. of Teeth
21
Single Strand Tooth Thickness
0.284 in
Pitch Dia.
3.355 in
Hub Recessed
1
Chain Sprocket Number
40
Inch/Metric
Inch
Caliper Diameter
3.0334 in
Hardened Teeth
With Hardened Teeth
Outside Dia.
3.617 in
Hub Dia.
3 in
Bushing Bore Size [Min]
0.5 in
Bore Type
Bushed
Hub Projection
1.03 in
No. of Teeth Rows Strands
1
Bushing Series
P1
Bore Size [Min]
0.5 in
O.D.
3.617 in
Chain No.
40
Key Way Size
0.375 in
Material Internal Use
Carbon Steel
Bushing Type
Split Taper
Sprocket Style
B
Weight
1.54 LB
EAN or UPC
697950110653
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