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
Type
4
Overall Length Less Threads
N/A
Material
Steel
Hub Dia.
4 1/4 in
Material Internal Use
Carbon Steel
Caliper Diameter
7.338 in
Chain Pitch
1.000 in
Outside Dia.
8.516 in
Overall Length
2.78125 in
No. of Teeth Rows Strands
1
Bushing Bore [Min]
0.75 in
Bore Type
Bushed
Hub Length
1.19 in
Chain Sprocket Pitch
1 in
Material External Use
Steel
Bushing Bore Size [Min]
0.75 in
Tooth Width
0.575 in
Construction Internal
Welded
Bushing Bore [Max]
2.6875 in
Hardened Teeth
With Hardened Teeth
Bore Size [Max]
2.688 in
Pitch Diameter
7.9787 in
No. of Strands Across
1
Sprocket Style
B
Hub O.D.
4.203 in
Chain Sprocket Number
80
Keyway Size
0.5 in
Key Way Size
0.5 in
Inch/Metric
Inch
Bushing Bore Size [Max]
2.688 in
No. of Teeth
25
O.D.
8.516 in
Single Strand Tooth Thickness
0.575 in
Chain No.
80
Keyway
w/Keyway
Bore Size [Min]
0.75 in
Hub Projection
1.19 in
Width Across Teeth
0.575 in
Bushing Series
Q1
Pitch Dia.
7.979 in
Bushing Type
Split Taper
Outside Dia. [Min]
8.516 in
Weight
9.11 LB
EAN or UPC
697950124483
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