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