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
No. of Teeth Rows Strands
1
Overall Length Less Threads
N/A
Bore Type
Bushed
Hub Dia.
4 1/4 in
Chain Sprocket Number
80
No. of Teeth
26
Material
Steel
Hub Length
1.19 in
Hub O.D.
4.203 in
Width Across Teeth
0.575 in
Chain Sprocket Pitch
1 in
Caliper Diameter
7.6712 in
Chain No.
80
Key Way Size
0.5 in
Outside Dia. [Min]
8.836 in
Material External Use
Steel
Pitch Dia.
8.296 in
Keyway Size
0.5 in
Bushing Bore Size [Min]
0.75 in
Sprocket Style
B
Bushing Bore Size [Max]
2.688 in
Overall Length
2.78125 in
Hub Projection
1.19 in
Single Strand Tooth Thickness
0.575 in
Material Internal Use
Carbon Steel
Inch/Metric
Inch
Tooth Width
0.575 in
Length Through Bore
1.75 in
Bore Size [Min]
0.75 in
Bore Size [Max]
2.688 in
Bushing Bore [Min]
0.75 in
Hardened Teeth
With Hardened Teeth
Bushing Bore [Max]
2.6875 in
Pitch Diameter
8.2962 in
Chain Pitch
1.000 in
Outside Dia.
8.836 in
Bushing Series
Q1
Bushing Type
Split Taper
No. of Strands Across
1
Keyway
w/Keyway
O.D.
8.836 in
Type
4
Construction Internal
Welded
Weight
9.75 LB
EAN or UPC
697950124490
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