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