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NTN 52401 is a single-direction thrust ball bearing with a 12 mm straight bore. Part of the 52 series, it accommodates axial loads in one direction and is suitable for low-to-moderate speed applications such as machine tool spindles, clutches, and gearboxes.
MODEL 52401
$141.99 Each
Prices are subject to change
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Returnable:No
Height
6.375
I.D.
4 in
Length
6.375
O.D.
6.1875 in
Width
1.4219
Technical Specifications
| Type | Cone |
|---|---|
| Bore Type | Round |
| Material | Case Carburized Steel |
| Static Load Rating | 77500 lbf345000 N345.00 kN |
| Dynamic Load Rating | 46000 lbf205000 N205.00 kN |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
| Y2 (Axial Load Factor) | 1.26 |
| e (Axial Load Factor) | 0.47 |
Dimensional Specifications
| |
| B | 4.0000 in101.600 mm |
|---|---|
| Wi | 1.4219 in36.116 mm |
| R | 0.3100 in7.900 mm |
| U | 5.35 in136.0 mm |
| V | 4.29 in109.0 mm |
| a (Effective Load Center) | -0.0100 in-0.300 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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