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NTN 493 is an inch-series single-row tapered roller bearing with a straight bore. Designed for radial and axial loads in gearboxes, wheel hubs, and industrial machinery.
MODEL 493
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$37.41 Each
Prices are subject to change
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Height
5.375
I.D.
3.375 in
Length
5.375
Material
Carburized Steel
O.D.
5.375 in
Width
0.875
Technical Specifications
Type | Bearing Cup |
|---|---|
Material | Case Carburized Steel |
Weight | 1.190 lb0.540 kg |
Dimensional Specifications
| |
D | 5.3750 in136.525 mm |
|---|---|
Wo | 0.8750 in22.225 mm |
W | 1.1875 in30.162 mm |
r | 0.1300 in3.300 mm |
X | 5.12 in130.0 mm |
Z | 4.80 in122.0 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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