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NTN 5578 is a 5xxx series double-row angular contact ball bearing with a 390 mm straight bore. Designed for combined radial and axial loads in industrial machinery, this bearing features a ball rolling element and a straight bore configuration.
MODEL 5578
$209.73 Each
Prices are subject to change
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Returnable:No
Height
4.813
I.D.
2.125 in
Length
4.813
O.D.
4.8125 in
Width
1.723
Technical Specifications
| Type | Cone |
|---|---|
| Bore Type | Round |
| Material | Case Carburized Steel |
| Static Load Rating | 72000 lbf320000 N320.00 kN |
| Dynamic Load Rating | 47000 lbf210000 N210.00 kN |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
| Y2 (Axial Load Factor) | 1.67 |
| e (Axial Load Factor) | 0.36 |
Dimensional Specifications
| |
| B | 2.1250 in53.975 mm |
|---|---|
| Wi | 1.7230 in43.764 mm |
| R | 0.1400 in3.600 mm |
| U | 2.87 in73.0 mm |
| V | 2.64 in67.0 mm |
| a (Effective Load Center) | -0.4800 in-12.200 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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