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