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