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NTN 47820 is an inch series tapered roller bearing cup for single row applications. It features a straight bore and is designed for use with a matching cone in gearboxes, axle housings, and industrial machinery.
MODEL 47820
$81.84 Each
Prices are subject to change
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Returnable:No
Height
5.75
I.D.
3.75 in
Length
5.75
Material
Carburized Steel
O.D.
5.75 in
Width
1.0313
Technical Specifications
| Type | Bearing Cup |
|---|---|
| Material | Case Carburized Steel |
Dimensional Specifications
| |
| D | 5.7500 in146.050 mm |
|---|---|
| Wo | 1.0313 in26.195 mm |
| W | 1.3125 in33.338 mm |
| r | 0.1300 in3.300 mm |
| X | 5.51 in140.0 mm |
| Z | 5.16 in131.0 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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