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 Sprocket Pitch
1 in
Hardened Teeth
With Hardened Teeth
Hub Length
1.18 in
Tooth Width
0.575 in
Chain Sprocket Number
80
Bushing Bore [Min]
0.75 in
Construction Internal
Solid With Recess Groove
Overall Length
2.78125 in
Material External Use
Steel
Pitch Diameter
4.494 in
Keyway
w/Keyway
Bushing Bore Size [Min]
0.75 in
Hub OD @ Recess
3.351 in
Overall Length Less Threads
N/A
Caliper Diameter
3.869 in
Hub Recess Width
3/8 in
Material
Steel
Key Way Size
0.5 in
Single Strand Tooth Thickness
0.575 in
No. of Teeth Rows Strands
1
Bore Type
Bushed
Hub Dia.
4 1/8 in
Bushing Bore Size [Max]
2.688 in
Bushing Bore [Max]
2.6875 in
O.D.
4.981 in
No. of Strands Across
1
Bore Size [Min]
0.75 in
Bushing Type
Split Taper
Width Across Teeth
0.575 in
Chain No.
80
Outside Dia. [Min]
4.981 in
Bushing Series
Q1
Chain Pitch
1.000 in
Inch/Metric
Inch
Bore Size [Max]
2.688 in
Outside Dia.
4.981 in
Hub Recess Depth
0.387 in
No. of Teeth
14
Material Internal Use
Carbon Steel
Hub Projection
1.18 in
Hub O.D.
4.125 in
Pitch Dia.
4.494 in
Length Through Bore
1.75 in
Type
4
Sprocket Style
B
Keyway Size
0.5 in
Weight
3.1 LB
EAN or UPC
697950121642
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