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Linn Gear 80B21H single strand Type B sprocket for #80 roller chain, 21 teeth, 1" pitch, hardened steel for extended wear life. Finished bore, manufactured in the USA.
MODEL 80B21H
Contact supplier for technical support on: 800 547 2471
$115.70 Each
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Bore Diameter
1 to 2-3/4 in
Chain Size
#80
Hub Diameter
4 in
Length Through Bore
1.62 in
Material
Steel
Number of Teeth
21
Outside Diameter
7.235 in
Pitch
1 in
Pitch Diameter
6.71 in
Type
Type B Single Strand Machine Cut Induction Hardened Teeth
*Stock bores of No. 80 sprockets with 17 teeth or more are nominal and must be re-bored even though the bore desired is the same as listed stock bore.
Listed maximum bore is with set screw at angle to keyway.
(H) indicates sizes available with or without hardened teeth. All other sizes available with hardened teeth as an alteration.
Specifications
| Pitch Diameter | 6.71 |
|---|---|
| Maximum Bore | 2.750" |
| Stock Bore | 1.000" |
| Hub Diameter | Pitch Diameter 0 |
| Length Through Bore | Pitch Diameter 1 |
| Sprocket Weight | Pitch Diameter 2 |
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