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
Bushing Bore [Max]
2.6875 in
Caliper Diameter
6.0657 in
Bushing Bore Size [Min]
0.75 in
Width Across Teeth
0.575 in
No. of Teeth Rows Strands
1
Material External Use
Steel
Keyway Size
0.5 in
Sprocket Style
B
Bushing Type
Split Taper
Hardened Teeth
With Hardened Teeth
No. of Strands Across
1
Hub Projection
1.19 in
Bushing Series
Q1
Hub O.D.
4.203 in
Bore Type
Bushed
Hub Dia.
4 1/4 in
Key Way Size
0.5 in
Length Through Bore
1.75 in
Overall Length
2.78125 in
O.D.
7.235 in
Hub Length
1.19 in
Material
Steel
Bore Size [Max]
2.688 in
Material Internal Use
Carbon Steel
Outside Dia.
7.235 in
Chain No.
80
Overall Length Less Threads
N/A
Pitch Dia.
6.71 in
No. of Teeth
21
Single Strand Tooth Thickness
0.575 in
Inch/Metric
Inch
Chain Pitch
1.000 in
Keyway
w/Keyway
Tooth Width
0.575 in
Bushing Bore [Min]
0.75 in
Chain Sprocket Number
80
Pitch Diameter
6.7095 in
Bushing Bore Size [Max]
2.688 in
Type
4
Bore Size [Min]
0.75 in
Construction Internal
Welded
Outside Dia. [Min]
7.235 in
Chain Sprocket Pitch
1 in
Weight
6.83 LB
EAN or UPC
697950124445
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