# NTN 30218 Tapered Roller Bearing - 90 mm Bore, Single Row Metric Series - MROSupply.com

***NTN 30218 single row metric tapered roller bearing with 90 mm straight bore. 302 series design with stamped steel cage handles combined radial and axial loads. Suitable for gearboxes, vehicle wheel hubs, and industrial machinery.***



## Product details:

- Catalog number: 30218
- SKU: 283554
- Price: ***$116.44*** 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
- Weight: 5.864 lb
- UPC: 4547359526059


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


## Product attributes;

  
- Height: 6.299
  

  
- I.D.: 3.5433 in
  

  
- Length: 6.299
  

  
- O.D.: 6.2992 in
  

  
- Width: 1.2795
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/32/32224/1671_S_slVX6BJ.png)






## 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.