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NTN 28300 single row inch series tapered roller bearing with a 3 in straight bore. Designed for combined radial and axial loads in industrial gearboxes, vehicle hubs, and conveyor systems.
MODEL 28300
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$36.94 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
I.D.
3 in
Material
Carburized Steel
O.D.
3 in
Width
0.6105
Technical Specifications
| Type | Bearing Cup |
|---|---|
| Material | Case Carburized Steel |
Dimensional Specifications
| |
| D | 3.0000 in76.200 mm |
|---|---|
| Wo | 0.6105 in15.507 mm |
| W | 0.8125 in20.638 mm |
| r | 0.0500 in1.300 mm |
| X | 2.80 in71.0 mm |
| Z | 2.68 in68.0 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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