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 Length
0.3 in
Bore Size [Max]
3.75 in
Keyway
w/Keyway
Chain Sprocket Pitch
1 in
Material
Steel
Keyway Size
0.75 in
Outside Dia.
8.516 in
No. of Teeth
25
Bore Size [Min]
1.125 in
O.D.
8.516 in
Material External Use
Steel
Construction Internal
Solid
Overall Length Less Threads
N/A
Sprocket Style
B
Bushing Type
Split Taper
Bushing Bore Size [Max]
3.75 in
Tooth Width
0.557 in
Chain Sprocket Number
80
Type
B
Bushing Bore [Min]
1.125 in
Overall Length
3.15625 in
Inch/Metric
Inch
Pitch Diameter
7.9787 in
Hub Projection
0.3 in
Bushing Bore [Max]
3.75 in
Material Internal Use
Carbon Steel
Length Through Bore
2 in
Outside Dia. [Min]
8.516 in
Hardened Teeth
With Hardened Teeth
Hub O.D.
5.5 in
No. of Teeth Rows Strands
2
Single Strand Tooth Thickness
0.557 in
No. of Strands Across
2
Pitch Dia.
7.979 in
Caliper Diameter
7.338 in
Chain Pitch
1.000 in
Bushing Bore Size [Min]
1.125 in
Key Way Size
0.75 in
Bushing Series
Q1
Bore Type
Bushed
Width Across Teeth
1.71 in
Chain No.
80-2
Hub Dia.
5 1/2 in
Weight
16.0 LB
EAN or UPC
697950218083
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