# NTN 3578/3525 Tapered Roller Bearing Assembly - Inch Series, Straight Bore - MROSupply.com

***NTN 3578/3525 inch series tapered roller bearing assembly, consisting of cone 3578 and cup 3525. Single-row design with straight bore for combined radial and axial loads. Suitable for gearboxes, wheel hubs, and industrial shaft applications.***



## Product details:

- Catalog number: 3578/3525
- SKU: 96759738
- Price: ***$118.44*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [Taper Roller Bearing Full Assemblies](htts://www.mrosupply.com/bearings/roller-bearings/taper-roller-bearings/taper-roller-bearing-full-assemblies/)
    - [Taper Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/taper-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- I.D.: 44.45 mm
  

  
- O.D.: 84.138 in
  

  
- Width: 30.886 mm
  







## FAQ:

- 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.