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Linn Gear 40JA18H is a single strand Type B sprocket for #40 roller chain. It has 18 teeth with a 1/2" pitch and is made from hardened steel for extended wear life. This sprocket features a finished bore and keyway, ready for installation on a shaft.
MODEL 40JA18H
Contact supplier for technical support on: 800 547 2471
$39.39 Each
Prices are subject to change
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Returnable: See conditions
Bore Diameter
1/2 to 1-1/4 in
Bushing Type
QD JA
Chain Size
#40
Length Through Bore
1 in
Material
Steel
Number of Teeth
18
Outside Diameter
3.14 in
Pitch
1/2 in
Pitch Diameter
2.879 in
Type
Type B Single Strand Induction Hardened Teeth
Bores approaching maximum have shallow or no keyway - See standard key diameter (PDF)
Space in addition to length through bore is required for bolt heads and wrench on sprocket side in standard mount and on bushing side in reverse mount. - QD Hub Assembly Types (PDF)
(H) indicates sizes available with or without hardened teeth. All other sizes available with hardened teeth as an alteration.
Specifications
| Hub Type | B |
|---|---|
| Bushing Size | JA |
| Pitch Diameter | Hub Type 0 |
| Bushing Bore Minimum | Hub Type 1 |
| Bushing Bore Maximum | Hub Type 2 |
| Length Through Bore | Hub Type 3 |
| Sprocket Weight | Hub Type 4 |
