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
Material Internal Use
Carbon Steel
O.D.
5.057 in
No. of Teeth Rows Strands
3
Pitch Dia.
4.783 in
Pitch Diameter
4.7834 in
Chain Sprocket Pitch
0.5 in
Overall Length
2.78125 in
Type
22
Hub Projection
0.35 in
Hub O.D.
4.25 in
Inch/Metric
Inch
Chain Pitch
0.500 in
Bushing Type
Split Taper
Bore Size [Min]
0.75 in
Bushing Bore [Min]
0.75 in
Sprocket Style
B
Bore Type
Bushed
Keyway
w/Keyway
Length Through Bore
1.75 in
Bushing Series
Q1
Bushing Bore [Max]
2.6875 in
Outside Dia.
5.057 in
Material External Use
Steel
No. of Strands Across
3
Construction Internal
Solid
No. of Teeth
30
Chain Sprocket Number
40
Key Way Size
0.5 in
Tooth Width
0.275 in
Bushing Bore Size [Min]
0.75 in
Chain No.
40-3
Material
Steel
Bore Size [Max]
2.688 in
Hub Dia.
4.227 in
Caliper Diameter
4.4714 in
Single Strand Tooth Thickness
0.275 in
Hardened Teeth
With Hardened Teeth
Keyway Size
0.5 in
Width Across Teeth
1.407 in
Bushing Bore Size [Max]
2.688 in
Overall Length Less Threads
N/A
Hub Length
0.35 in
Outside Dia. [Min]
5.057 in
Weight
4.46 LB
EAN or UPC
697950218304
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