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NTN 31520PX1 is a tapered roller bearing cup with a 3 in straight bore. Constructed from case carburized steel, this cup is designed for use in inch series tapered roller bearing assemblies. It is suitable for applications requiring high radial and axial load capacity in a compact, separable design.
MODEL 31520PX1
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$15.71 Each
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Brand Minimum Order Quantity: 5
Typically Ships in: 1 day
Returnable:No
D (in)
3.0000
I.D.
1.4375 in
Material
Case carburized steel
O.D.
3 in
r (in)
0.1300
Type
Bearing Cup
W
1.1563 in
Wo
0.9375 in
X
2.83 in
Z
2.52 in
Technical Specifications
| Type | Bearing Cup |
|---|---|
| Material | Case Carburized Steel |
Dimensional Specifications
| |
| D | 3.0000 in76.200 mm |
|---|---|
| Wo | 0.9375 in23.813 mm |
| W | 1.1563 in29.370 mm |
| r | 0.1300 in3.300 mm |
| X | 2.83 in72.0 mm |
| Z | 2.52 in64.0 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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