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