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
To be run with (2) separate single row chains
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
Bushing Bore Size [Max]
3 in
Construction Internal
Solid
Width Across Teeth
2.19 in
O.D.
6.914 in
Tooth Width
0.575 in
Bushing Type
Taper Lock
Chain Sprocket Pitch
1 in
Material
Steel
Bore Size [Min]
0.938 in
No. of Strands Across
Double Single
Bore Size [Max]
3 in
Overall Length
2.1875 in
Outside Dia.
6.914 in
Bushing Series
3020
Type
A-Double Single
Material Internal Use
Carbon Steel
Chain No.
80
Material External Use
Steel
No. of Teeth Rows Strands
2
Overall Length Less Threads
N/A
Bushing Bore [Min]
0.938 in
Bore Type
Bushed
Length Through Bore
2.188 in
Chain Pitch
1.000 in
Single Strand Tooth Thickness
0.575 in
Chain Sprocket Number
80
Sprocket Style
A
Hub Dia.
5.281 in
Hardened Teeth
With Hardened Teeth
Outside Dia. [Min]
6.91 in
No. of Teeth
20
Pitch Diameter
6.39 in
Bushing Bore [Max]
3 in
Pitch Dia.
6.393 in
Caliper Diameter
5.77 in
Inch/Metric
Inch
Bushing Bore Size [Min]
0.938 in
Weight
8.67 LB
EAN or UPC
697950030067
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